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#define rep(i,n) fo(i,0,n) #define fo(i,s,n) for((i)=(s);(i)<(n);(i)++) #define scan(k) scanf("%d",&k) #define PI 3.14159265359 #define INF (ll)(2e18+100) #define MOD (int)(1e9+7) #define MAX 10000 #include <stdio.h> #include <stdlib.h> #include <string.h> typedef long long ll; int comp( const void *c1, const void *c2...
#include <stdio.h> #include <stdlib.h> #define SRVGCNT 100 #define SKWRCNT (2 * SRVGCNT) int sv, sc, sl[SKWRCNT]; int ic; void read(void) { int i; if (scanf("%d", &sv) != 1) exit(EXIT_FAILURE); for (sc = 2 * sv, i = 0; i < sc; ++i) if (scanf("%d", &sl[i]) != 1) exit(EXIT_...
#include <stdio.h> #include <stdlib.h> #include <string.h> int compare(const void *a, const void *b) { return *(int*)b - *(int*)a; } int main() { int num, size; int *values; scanf("%d", &num); size = num * 10; values = (int *)malloc(size * sizeof(int)); //memset(cnt, 0, num * sizeof(int)); // 読み込み int i = 0...
#include <stdio.h> int get_min(int data[], int n); int main(int argc, const char * argv[]) { int N; scanf("%d", &N); int length[2 * N]; for(int i = 0; i < 2 * N; i++) { scanf("%d", &length[i]); } int forSum[N]; for(int j = 0; j < N; j++) { int kushi1 = get_min(len...
#include <stdlib.h> #include <string.h> int size(const void *x,const void *y); int main(){ int N; int L[100];// 0 to 99 int i = 0; char tmp[1024]; char *tp; int sum = 0; if(scanf("%d",&N)<0){ return 1; } // printf("%d\n",N); if (scanf("%[0-9 ^\n]",tmp)<0){ return 1; } //fgets(tm...
#include <stdio.h> #include <string.h> #include <stdlib.h> int main(void){ int n,i,j,tmp; scanf("%d", &n); int l[2*n]; char str[1024]; char *adr; while( getchar() != '\n'); if(fgets(str, 1024, stdin) == NULL){ printf("No String"); } ...
#include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> int main(void){ int N; int i,j; int count=0; int stackcount=0; int buf; int piv=0; int delnum=0; char str[1000]; int *stack; int *newstack; int ans=0; scanf("%d\n",&N); stack=malloc(siz...
long n,x,s,t;main(){for(scanf("%ld%ld",&n,&x),s=n,n-=x;x;t=x,x=n%x,n=t)s+=n/x*x*2;printf("%ld",s-t);}
#define L long long L F(L A,L B){return B?A/B*B*2+F(B,A%B):-A;} main(){L N,X;scanf("%lld%lld",&N,&X);printf("%lld",N+F(N-X,X));}
#include<stdio.h> int main(){ long long n,x,g; scanf("%lld%lld",&n,&x); g = n; while(x ^= g ^= x ^= g%=x); printf("%lld\n",(n/g-1)*3*g); return 0; }
#include<stdio.h> int main() { long n, x, temp1, temp2; scanf("%ld%ld", &n, &x); temp1= n; while(x) { temp2= n; n= x; x= temp2% x; } printf("%ld\n", (temp1- n)* 3); return 0; }
#include <stdio.h> int main(void) { unsigned long long int n,x,a,b,r; scanf("%llu%llu",&n,&x); a=n; b=x; r=a%b; while(r!=0){ a=b; b=r; r=a%b; } printf("%llu\n",((n/b)-1)*3*b); return 0; }
#include<stdio.h> long euclid(long a,long b) { long r; while(1){ r = a%b; if(r==0)break; a = b; b = r; } return b; } int main(){ long n,x; scanf("%ld %ld",&n,&x); printf("%ld\n",3*(n-euclid(n,x))); }
#include <stdio.h> long long gcd(long long a, long long b){return (a<b?a:b)==0?(a>b?a:b):gcd((a<b?a:b),(a>b?a:b)%(a<b?a:b));} int main(void){ long long n,x; scanf("%lld%lld",&n,&x); printf("%lld\n",3*(n-gcd(n,x))); return 0; }
#include<stdio.h> long gcd2(long a, long b){ long t; if(a<b){ t = a; a = b; b = t; } t = a % b; while(t!=0){ a = b; b = t; t = a % b; } return b; } long n, x; int main(void){ scanf("%ld%ld", &n, &x); printf("%ld\n", (n-gcd2(n,x))*3); }
#include <stdio.h> typedef long long ll; int main() { ll N,X; scanf("%lld %lld",&N,&X); ll ans = N; N -= X; while (N%X != 0) { ans += (N / X)*X * 2; ll t = X; X = N%X; N = t; } ans += X*(((N / X)* 2) - 1); printf("%lld\n",ans); return 0; }
#include<stdio.h> long f(long L, long S) { if (S == 0) return -L; return 2L * S * (L / S) + f(S, L % S); } int main() { long N, X; scanf("%ld %ld", &N, &X); long L = X > N - X ? X : N - X; long S = N - L; printf("%ld\n",(f(L, S) + N)); return 0; }
#include <stdio.h> int main(void){ long long N,X; scanf("%lld%lld",&N,&X); if(X > N/2){ X = N - X; } long long sum = 0; long long k; sum += X + N - X; N = N - X; while(X != 0){ sum += 2*X*(N/X); k = N % X; N = X; X = k; } sum -= N; printf("%lld",sum); }
#include<stdio.h> #include<stdlib.h> #define ll long long #define rep(i,l,r)for(ll i=(l);i<(r);i++) ll ans; void gcd(ll p,ll q){ if(p%q){ ll d=p/q; ans+=2*q*d; gcd(q,p%q); }else{ ll d=p/q; ans+=q*(2*d-1); } } int main(){ ll n,x; scanf("%lld%lld",&n,&x); gcd(x,n-x); printf("%lld\n",ans+n); return 0; ...
#include<stdio.h> #include<string.h> #include<stdlib.h> int main() { long long int n, x, result = 0,tmp; scanf("%lld%lld", &n, &x); result = n; n = n - x; while (n != 0) { if (n%x != 0) { result += 2 * x*(n / x); } else { result += (2 * x*(n / x)-x);printf("%lld",result); return 0; } tmp = n%x; n = x; x...
#include<stdio.h> long long mod(long long a,long long b){ long long i,sum=0,syou; while(1){ i=a%b; syou=a/b; sum+=syou*b; a=b; b=i; if(i==0){ return sum; } } } int main(){ long long n,x,i; scanf("%lld %lld",&n,&x); if(2*x<n) i=mod(n-x,x); else i=mod(x,n-x); printf("%lld",i*3...
#include <stdio.h> #include <math.h> long long int f(long long int a,long long int b){ long long int k; if(b==0)return -a; if(a>b){ k=a; a=b; b=k; } return 2*a*(b/a)+f(a,b%a); } int main(){ long long int N,X; scanf("%lld %lld",&N,&X); long long int ans; ans=N+f(N-X,X); printf("%lld\n",...
#include<stdio.h> #include<stdlib.h> typedef long long int int64; int64 gcd(int64 a,int64 b){ int64 r=a%b; while(r>0){ a=b;b=r;r=a%b; } return b; } int64 calc(int64 n,int64 x){ int64 g=gcd(n,x); return g*3*(n/g-1); } void run(void){ int64 n,x; scanf("%lld%lld",&n,&x); printf("%lld\n",calc(n,x)...
#include<stdio.h> #include<stdlib.h> unsigned long long N, X, a, b, t, r, ans; int main() { scanf("%llu %llu", &N, &X); ans += N; a = X, b = N - X; while (1) { t = 2 * (a / b); r = a%b; ans += b*t; if (r == 0) { ans -= b; break; } a ...
#include<stdio.h> long long int lgc(long long int a, long long int b){ long long int r, tmp; r = a % b; while(r!=0){ a = b; b = r; r = a % b; } return b; } int main(void){ long long int n, x; scanf("%lld %lld",&n, &x); long long int p, q; p = lgc(n,x); q = n / p; long long i...
#include<stdio.h> #define MAX(x,y) (((x)>(y))?(x):(y)) #define MIN(x,y) (((x)<(y))?(x):(y)) int main(void){ long long N,X,sums; long long low,high; scanf("%lld%lld",&N,&X); sums=N; low=MIN(X,N-X); high=MAX(X,N-X); do{ sums+=low*((high/low)*2); high%=low; high^=low; low^=high; high...
#include <stdio.h> #include <stdlib.h> typedef struct hoge{ long long int y; long long int x; long long int res; } hoge; int main(){ long long int n; long long int len; long long int swap; hoge a; scanf("%lld %lld",&n,&a.x); a.y = n - a.x; a.res = a.x + a.y; while(a.x){ swap = a.y; len = a.y / a.x; ...
#include <stdio.h> int main(void){ long long int x; long long int n; long long int a, a_max, a_min; long long int b, b_max, b_min, tmp; long long int sum = 0; int vector = 0; scanf("%lld %lld", &n, &x); a = x; b = x; if(x > n - x){ x = n - x; } n = n - x; sum += x + n; while(!(x==0&&n==0)){ if...
#include <stdio.h> #include <stdlib.h> //#define DEBUG long long dist(long long M, long long N) { long long D; if (M<N) { D = M; M = N; N = D; } if (N==0) return 0; D = (M/N)*2*N; if (M%N==0) D -= N; return D+dist(N,M%N); } int main() { long long L, N, P, X; scanf("%lld%lld", &N, &X); if (2*X == N) L...
#include<stdio.h> #include<stdlib.h> #include<string.h> #include<math.h> #define INF 1000000000 #define min(a,b) (((a)<(b))?(a):(b)) #define max(a,b) (((a)>(b))?(a):(b)) long N; long X; long ans = 0; void solve(long n, long x, int f) { long d = n / x; long m = n % x; if(m > 0) { ans += (d-f) * 2 * x; solve...
#include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> long long getgcd(long long N,long long X); int main(void){ long long N,X; long long buf; long long buf2; long long cur; scanf("%lld %lld",&N,&X); buf=(long long)getgcd(N,X); buf2=(long long)(N-buf); printf("%l...
#include <stdio.h> #include <math.h> #include <string.h> #include <stdlib.h> int main(void) { //変数の宣言 long long int n,x; long long int a,b; //よく使う変数 int i,j,k,l; int flag=0; long long int ans=0; int count=0; int temp,temp1,temp2; int min; //データの読み込み scanf("%lld %lld",&n,&x); /*for(i=0;i<n;i++){ fo...
#include <stdio.h> #include <string.h> #include <inttypes.h> /* 答えはXに依存しないと予想できる -> はずれ N=2 len=3 N=3 len=6 N=4 len=9 (X=2 -> len=6) N=5 len=12 */ #define KABE_MIGI 1 #define KABE_UE 2 #define KABE_SITA 4 char kabe[2000][2000]; uint64_t solve(uint64_t N, uint64_t X) { memset(kabe, 0, sizeof(kabe)); if (N <= 100...
#include <stdio.h> #include <stdlib.h> #define N 2001 typedef struct vertex{ short int next[N]; short int length; } vertex; vertex field[N]; int count(int i,int k,int r); int main(){ int n,k; int i,j; int a,b; int r; scanf("%d %d",&n,&k); for(i = 0;i < n-1;i++){ scanf("%d %d",&a,&b); field[a].next[fie...
#include <stdio.h> #include <stdlib.h> void swap(int a, int b, int *A){ int tmp = A[a]; A[a] = A[b]; A[b] = tmp; } int main(){ int N, M, i, odd_num = 0; scanf("%d%d", &N, &M); int *A = (int *)malloc(sizeof(int) * M); for(i = 0; i < M; i++){ scanf("%d", &A[i]); odd_num += A[i] % 2; } if(M == 1){ if(A[0]...
#include <stdio.h> int B[10000000]; int len; void print(int x) { if(x > 0) B[len++]=x; } void yaru(int a, int islast) { int i; if (a%2==1) { for(i=1;i<a;i+=2) { print(2); } if(!islast) print(2); /* 最後以外で奇数が来るのは最初のみ */ } else { if((a/2)%2==0) { if(islast) { print(1); print(a-2); } else { ...
#include<stdio.h> #include<stdlib.h> int main(void){ struct{ int A,B; }data[200000]; unsigned *board[2][4097]; unsigned **calc,*center[4097],ans=0; int i,j,k,N; const unsigned mod=(unsigned)1E9+7; for(i=0;i<2;i++){ for(j=0;j<4097;j++){ board[i][j]=(unsigned *)calloc(4097,sizeof(unsigned)...
#include <stdio.h> #include <stdlib.h> #define MOD 1000000007 #define AB 2000 #define AB2 4001 #define N 200005 typedef struct set { int a; int b; } set; int main(){ int i,j; long long int ii,jj,rii,rjj; int n; int a,b; long long int **dp; long long int **root; long long int res = 0; set s[N]; dp = calloc...