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Provide tags and a correct Python 3 solution for this coding contest problem. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several rooms and bidirectional passages between some pa...
instruction
0
16,520
8
33,040
Tags: dsu, greedy, implementation, trees Correct Solution: ``` from sys import stdin, stdout n=int(stdin.readline()) a=[int(x) for x in stdin.readline().split()] l=len(a) b=len(set(a)) print(l-b+1) ```
output
1
16,520
8
33,041
Provide tags and a correct Python 3 solution for this coding contest problem. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several rooms and bidirectional passages between some pa...
instruction
0
16,521
8
33,042
Tags: dsu, greedy, implementation, trees Correct Solution: ``` n = int(input()) inp = list(map(int, input().split())) arr = [0] count = 1 time = 1 dict = {0: 0} for i in inp: if dict[arr[i]] != i: dict[count] = time arr.append(count) count += 1 else: dict[arr[i]] = time ...
output
1
16,521
8
33,043
Provide tags and a correct Python 3 solution for this coding contest problem. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several rooms and bidirectional passages between some pa...
instruction
0
16,522
8
33,044
Tags: dsu, greedy, implementation, trees Correct Solution: ``` n, data = int(input()), list(map(int, input().split())) time = [0] + [-100] * (3 * (10 ** 5)) rooms = [0] for i in range(1, n + 1): if(time[data[i - 1]] != -100 and rooms[time[data[i - 1]]] == data[i - 1]): rooms[time[data[i - 1]]] = i t...
output
1
16,522
8
33,045
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,523
8
33,046
Yes
output
1
16,523
8
33,047
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,524
8
33,048
Yes
output
1
16,524
8
33,049
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,525
8
33,050
Yes
output
1
16,525
8
33,051
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,526
8
33,052
Yes
output
1
16,526
8
33,053
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,527
8
33,054
No
output
1
16,527
8
33,055
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,528
8
33,056
No
output
1
16,528
8
33,057
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,529
8
33,058
No
output
1
16,529
8
33,059
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several r...
instruction
0
16,530
8
33,060
No
output
1
16,530
8
33,061
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the house where Krosh used to live, he had n cupboards standing in a line, the i-th cupboard had the height of h_i. Krosh moved recently, but he wasn't able to move the cupboards with him. No...
instruction
0
17,026
8
34,052
No
output
1
17,026
8
34,053
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the house where Krosh used to live, he had n cupboards standing in a line, the i-th cupboard had the height of h_i. Krosh moved recently, but he wasn't able to move the cupboards with him. No...
instruction
0
17,027
8
34,054
No
output
1
17,027
8
34,055
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the house where Krosh used to live, he had n cupboards standing in a line, the i-th cupboard had the height of h_i. Krosh moved recently, but he wasn't able to move the cupboards with him. No...
instruction
0
17,028
8
34,056
No
output
1
17,028
8
34,057
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. In the house where Krosh used to live, he had n cupboards standing in a line, the i-th cupboard had the height of h_i. Krosh moved recently, but he wasn't able to move the cupboards with him. No...
instruction
0
17,029
8
34,058
No
output
1
17,029
8
34,059
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,079
8
34,158
Tags: data structures, implementation Correct Solution: ``` n = int(input()) a = list(map(int,input().split())) m = int(input()) l = [list(map(int,input().split())) for _ in range(m)] ans = [a[l[0][0]-1]] lasth = l[0][1] for _,[w,h] in enumerate(l[1:]): ans.append(max(ans[-1] + lasth,a[w-1])) lasth = h print(*ans,sep...
output
1
17,079
8
34,159
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,080
8
34,160
Tags: data structures, implementation Correct Solution: ``` from sys import stdin rdi = lambda: list(map(int, stdin.readline().split())) rdi() a = rdi() for _ in range(rdi()[0]): w, h = rdi() m = max(a[0], a[w-1]) a[0] = m+h print(m) ```
output
1
17,080
8
34,161
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,081
8
34,162
Tags: data structures, implementation Correct Solution: ``` n = input() stairs = list(map(int,input().split(' '))) boxes = [] for i in range(int(input())): boxes.append(list(map(int,input().split(' ')))) ch = stairs[0] ans = [] for box in boxes: nh = max(ch,stairs[box[0]-1]) ans.append(nh) ch = nh ...
output
1
17,081
8
34,163
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,082
8
34,164
Tags: data structures, implementation Correct Solution: ``` n = int(input()) import sys l = [0]+list(map(int,sys.stdin.readline().strip().split())) x = 0 b = 0 m = int(input()) for _ in range(m): w,h = map(int,sys.stdin.readline().strip().split()) x = max(x+b,l[w]) b = h print(x) ```
output
1
17,082
8
34,165
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,083
8
34,166
Tags: data structures, implementation Correct Solution: ``` n=int(input()) l=list(map(int,input().split())) m=int(input()) s=[] for i in range(m): s+=[list(map(int,input().split()))] h=[] a=0 for i in range(m): b=l[s[i][0]-1] t=max(b,a+1) h+=[t] a=t+s[i][1]-1 for i in h: print(i) ```
output
1
17,083
8
34,167
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,084
8
34,168
Tags: data structures, implementation Correct Solution: ``` n = int(input()) a = list(map(int, input().split())) m = int(input()) b = {} t = [] for i in range(m): w, h = list(map(int, input().split())) x = max(a[0],a[w-1]) t.append(x) a[0] = x+h a[w-1] = x+h for i in range(m): print(t[i]) `...
output
1
17,084
8
34,169
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,085
8
34,170
Tags: data structures, implementation Correct Solution: ``` #pyrival orz import os import sys from io import BytesIO, IOBase input = sys.stdin.readline ############ ---- Input Functions ---- ############ def inp(): return(int(input())) def inlt(): return(list(map(int,input().split()))) def insr(): s = inpu...
output
1
17,085
8
34,171
Provide tags and a correct Python 3 solution for this coding contest problem. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the staircase, so he is throwing rectangular boxes at the...
instruction
0
17,086
8
34,172
Tags: data structures, implementation Correct Solution: ``` from collections import Counter, defaultdict, OrderedDict, deque from bisect import bisect_left, bisect_right from functools import reduce, lru_cache from typing import List import itertools import sys import math import heapq import string import random MIN, ...
output
1
17,086
8
34,173
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,087
8
34,174
Yes
output
1
17,087
8
34,175
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,088
8
34,176
Yes
output
1
17,088
8
34,177
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,089
8
34,178
Yes
output
1
17,089
8
34,179
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,090
8
34,180
Yes
output
1
17,090
8
34,181
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,091
8
34,182
No
output
1
17,091
8
34,183
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,092
8
34,184
No
output
1
17,092
8
34,185
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,093
8
34,186
No
output
1
17,093
8
34,187
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Dima's got a staircase that consists of n stairs. The first stair is at height a1, the second one is at a2, the last one is at an (1 ≀ a1 ≀ a2 ≀ ... ≀ an). Dima decided to play with the stairc...
instruction
0
17,094
8
34,188
No
output
1
17,094
8
34,189
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,748
8
35,496
Yes
output
1
17,748
8
35,497
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,749
8
35,498
Yes
output
1
17,749
8
35,499
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,750
8
35,500
Yes
output
1
17,750
8
35,501
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,751
8
35,502
No
output
1
17,751
8
35,503
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,752
8
35,504
No
output
1
17,752
8
35,505
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,753
8
35,506
No
output
1
17,753
8
35,507
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Salem gave you n sticks with integer positive lengths a_1, a_2, …, a_n. For every stick, you can change its length to any other positive integer length (that is, either shrink or stretch it). T...
instruction
0
17,754
8
35,508
No
output
1
17,754
8
35,509
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,832
8
37,664
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` # arr = list(map(int,input().split())) # for i in range(1,len(arr)): # k=arr[i] # j=i-1 # while j>=0 and arr[j]>k: # arr[j+1]=arr[j] # j=j-1 # arr[j+1]=k # print(arr) # l=list(map(int,input().split())) # for ...
output
1
18,832
8
37,665
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,833
8
37,666
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n, x = map(int, input().split()) a = list(map(int, input().split())) idx = x % n for j in range(x, x+n): if a[j % n] <= a[idx]: idx = j % n temp = a[idx] a[idx] += n * temp a = [i - temp for i in a] j = idx + 1 while j % n != x % n:...
output
1
18,833
8
37,667
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,834
8
37,668
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n,l=input().split() n=int(n) l=int(l) l=l-1 a=list(map(int,input().split())) min=float('inf') for i in range(n-1,-1,-1): if(a[i]<min): min=a[i] pos=i if(a[l]==min): pos=l if(l>=pos): for i in range(0,n): a[i]...
output
1
18,834
8
37,669
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,835
8
37,670
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n,x=map(int,input().split()) a=list(map(int,input().split())) x-=1 y=max(0,min(a)) for i in range(n): a[i]-=y flag=False cnt=0 for i in range(x,-1,-1): if a[i]==0: a[i]=cnt+(y*n) flag=True break a[i]-=1 c...
output
1
18,835
8
37,671
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,836
8
37,672
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n, x = map(int, input().split()) x = x - 1 l = list(map(int, input().split())) min_index, min_value = -1, 10 ** 9 + 7 nb_seen = 0 cur = x while nb_seen != n: if min_value > l[cur]: min_value = l[cur] min_index = cur cur...
output
1
18,836
8
37,673
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,837
8
37,674
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` n,x=map(int,input().split()) A={} L=list(map(int,input().split())) minn=min(L) ind=x-1 while(L[ind]!=minn): ind-=1 if(ind==-1): ind=n-1 iterations=L[ind] Diff=[0]*n r=1 inc=True if(x-1==ind): inc=False ...
output
1
18,837
8
37,675
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,838
8
37,676
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` import sys input = sys.stdin.readline def read_int(): return int(input().strip()) def read_ints(): return list(map(int, input().strip().split(' '))) def solve(): """ 4 4 4 3 1 6 3 2 4 5 3 2 5 4 """ n...
output
1
18,838
8
37,677
Provide tags and a correct Python 3 solution for this coding contest problem. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is...
instruction
0
18,839
8
37,678
Tags: constructive algorithms, greedy, implementation Correct Solution: ``` from math import inf n, x = map(int, input().split()) a = list(map(int, input().split())) x -= 1 mx = inf mi = None for i in range(x, x - n, -1): if a[i] < mx: mx = a[i] mi = i mi %= n for i in range(n): a[i] -= mx ...
output
1
18,839
8
37,679
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its...
instruction
0
18,840
8
37,680
Yes
output
1
18,840
8
37,681
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its...
instruction
0
18,841
8
37,682
Yes
output
1
18,841
8
37,683
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its...
instruction
0
18,842
8
37,684
Yes
output
1
18,842
8
37,685
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its...
instruction
0
18,843
8
37,686
Yes
output
1
18,843
8
37,687