question_title stringlengths 3 34 | question_content stringlengths 713 3.03k | platform stringclasses 1
value | question_id stringlengths 12 45 | contest_id stringlengths 10 10 | contest_date timestamp[s]date 1011-01-01 00:00:00 2098-01-01 00:00:00 | starter_code stringclasses 1
value | difficulty stringclasses 3
values | public_test_cases stringlengths 160 7.6M | private_test_cases stringlengths 172 35.8M | metadata stringlengths 86 121 |
|---|---|---|---|---|---|---|---|---|---|---|
Good Bitstrings |
For any two positive integers $a$ and $b$, define the function
$\texttt{gen_string}(a,b)$ by the following Python code:
def gen_string(a: int, b: int):
res = ""
ia, ib = 0, 0
while ia + ib < a + b:
if ia * b <= ib * a:
res += '0'
ia += 1
else:
res += '1'
ib += 1
return res
Equivalent C++ code:
... | codeforces | 1333_platinum_good_bitstrings | usaco_1333 | 1333-01-01T00:00:00 | # Read input and solve the problem
| hard | [{"input": "6\n1 1\n3 5\n4 7\n8 20\n4 10\n27 21", "output": "1\n5\n7\n10\n6\n13", "testtype": "stdin"}, {"input": "10\n85 13\n71 66\n28 66\n29 71\n96 63\n38 31\n17 68\n36 58\n36 4\n63 33", "output": "20\n32\n12\n15\n27\n16\n36\n12\n15\n17", "testtype": "stdin"}, {"input": "10\n906 527\n608 244\n263 174\n839 281\n153 49... | eJyNmU2OrEcRRRmwDaRUjy2U/5nBSpBoZnjgSWPJ7YGFkFgEbI8Z++CcqPbgFUIqW++97vp+MjPixr03ov7x23/953e/yf/++G9++NPf3n74+PHnz7c/lLdW3z/aPLevclZfdbx/xK5ntrJab/W+f9xxopbbekR//xj9rrlKu2fXzaO3n9XKnaft4N52Yw9unrF406k7Zi3r3haTF/NPzHL3qfO8f/R5W+Xme+rlVau22XoZ9bR1374rb3/9+fNrk5dtbP+wgba49/Bnzu0refDr6q0+9fn9T5+fv/z4vc/99PmXHz7e/v5deTrwZoN1... | {"problem_level": "platinum", "contest_year": 1333, "original_problem_id": "1333_platinum_good_bitstrings"} |
Pareidolia | "\nPareidolia is the phenomenon where your eyes tend to see familiar patterns in\nimages where none (...TRUNCATED) | codeforces | 1330_gold_pareidolia | usaco_1330 | 1330-01-01T00:00:00 | # Read input and solve the problem
| hard | "[{\"input\": \"besssie\\n1 1 5 4 6 1 1\", \"output\": \"1\\n4\", \"testtype\": \"stdin\"}, {\"input(...TRUNCATED) | "eJzsvcuO80qTteeBL6TQQ+MflM6Sb8C3YMD/hEkmqSTFY5IUJcOAr8VX6vVE1jYMAzbsidHdH6P72/t9qyQyMzJixYoDuf/X//Z(...TRUNCATED) | "{\"problem_level\": \"gold\", \"contest_year\": 1330, \"original_problem_id\": \"1330_gold_pareidol(...TRUNCATED) |
Milk Sum | "\n**Note: The time limit for this problem is 4s, 2x the default.**\nFarmer John's $N$ cows ($1\\le (...TRUNCATED) | codeforces | 1326_silver_milk_sum | usaco_1326 | 1326-01-01T00:00:00 | # Read input and solve the problem
| medium | "[{\"input\": \"5\\n1 10 4 2 6\\n3\\n2 1\\n2 8\\n4 5\", \"output\": \"55\\n81\\n98\", \"testtype\": (...TRUNCATED) | "eJxMnUmubUmTlSXEQLainQ2vC0aCRDTJRnaClPLPBkJIDIKBMSTWt8z8RCLgj/fevefs7W7FsmXV//nP//X//fP//U//7X/98S9(...TRUNCATED) | "{\"problem_level\": \"silver\", \"contest_year\": 1326, \"original_problem_id\": \"1326_silver_milk(...TRUNCATED) |
Field Day | "\n**Note: The time limit for this problem in Python is 15s. Other languages have the default time (...TRUNCATED) | codeforces | 1327_silver_field_day | usaco_1327 | 1327-01-01T00:00:00 | # Read input and solve the problem
| medium | "[{\"input\": \"5 3\\nGHGGH\\nGHHHH\\nHGHHG\", \"output\": \"5\\n3\\n5\", \"testtype\": \"stdin\"}, (...TRUNCATED) | "eJx8+UGuLcuubIlBgBqSyBZkVtUBsq6KAN0OqJJQIVVSRV1RT5XvbbdhgzHX130fH3HmjvCgk2aDDF//n//z/+3/+3/93/9P//f(...TRUNCATED) | "{\"problem_level\": \"silver\", \"contest_year\": 1327, \"original_problem_id\": \"1327_silver_fiel(...TRUNCATED) |
Pareidolia | "\n**Note: The time limit for this problem is 4s, 2x the default.**\nPareidolia is the phenomenon wh(...TRUNCATED) | codeforces | 1328_silver_pareidolia | usaco_1328 | 1328-01-01T00:00:00 | # Read input and solve the problem
| medium | "[{\"input\": \"bessiebessie\", \"output\": \"14\", \"testtype\": \"stdin\"}, {\"input\": \"abcdefgh(...TRUNCATED) | "eJyMvcmOJD20HuaFH+TirrWRrmQNTyLAK85zcB4NA350f4zMqu7/ygsDjc6qzMgI8vCcb2CQUf/P//4//8e//cv/9n/+X/9qntT(...TRUNCATED) | "{\"problem_level\": \"silver\", \"contest_year\": 1328, \"original_problem_id\": \"1328_silver_pare(...TRUNCATED) |
Rotate and Shift | "\n**Note: The time limit for this problem is 4s, 2x the default.**\nTo celebrate the start of sprin(...TRUNCATED) | codeforces | 1325_bronze_rotate_and_shift | usaco_1325 | 1325-01-01T00:00:00 | # Read input and solve the problem
| easy | "[{\"input\": \"5 3 4\\n0 2 3\", \"output\": \"1 2 3 4 0\", \"testtype\": \"stdin\"}, {\"input\": \"(...TRUNCATED) | "eJzMvc2OJbuSXqlBP0jgjmvgpPG3H6GfQED3sDXQpFRAXQ0EQYDmPelHlq1F3xE7dkZk5jn3VEGD+HInnU53J52k2WfmZv/z//i(...TRUNCATED) | "{\"problem_level\": \"bronze\", \"contest_year\": 1325, \"original_problem_id\": \"1325_bronze_rota(...TRUNCATED) |
Bakery | "\nBessie has opened a bakery!\n\nIn her bakery, Bessie has an oven that can produce a cookie in $t_(...TRUNCATED) | codeforces | 1302_silver_bakery | usaco_1302 | 1302-01-01T00:00:00 | # Read input and solve the problem
| medium | "[{\"input\": \"2\\n\\n3 7 9\\n4 3 18\\n2 4 19\\n1 1 6\\n\\n5 7 3\\n5 9 45\\n5 2 31\\n6 4 28\\n4 1 8(...TRUNCATED) | "eJxk3UvOLEuSJGYOuAQuwFHjHvjT3JwrIcAcsgc9STbQ1QOCaIAL4yq4IsonFn82AVYVsm7eEyfC3R76EBUV/b/+x//l//5//qf(...TRUNCATED) | "{\"problem_level\": \"silver\", \"contest_year\": 1302, \"original_problem_id\": \"1302_silver_bake(...TRUNCATED) |
Cow-libi | "\n**Note: The time limit for this problem is 4s, two times the default.**\n\nSomebody has been graz(...TRUNCATED) | codeforces | 1303_silver_cow-libi | usaco_1303 | 1303-01-01T00:00:00 | # Read input and solve the problem
| medium | "[{\"input\": \"2 4\\n0 0 100\\n50 0 200\\n0 50 50\\n1000 1000 0\\n50 0 200\\n10 0 170\", \"output\"(...TRUNCATED) | "eJxsfUuOdsmSlIRYSKrGpBTvBytBoof0oCeXlvr2AKGW2BQbYwW4+cM8TtUV4lL8mfl950R4+MPc3OL//Of/9n//33/8p//+v//(...TRUNCATED) | "{\"problem_level\": \"silver\", \"contest_year\": 1303, \"original_problem_id\": \"1303_silver_cow-(...TRUNCATED) |
Hungry Cow | "\nBessie is a hungry cow. Each day, for dinner, if there is a haybale in the barn,\nshe will eat on(...TRUNCATED) | codeforces | 1299_bronze_hungry_cow | usaco_1299 | 1299-01-01T00:00:00 | # Read input and solve the problem
| easy | "[{\"input\": \"1 5\\n1 2\", \"output\": \"2\", \"testtype\": \"stdin\"}, {\"input\": \"2 5\\n1 2\\n(...TRUNCATED) | "eJxMvbuxLTuznHsFGjLiWNB4A9cBusAIHgeonKBASlRoES2kQHyZibn/LeyFnqPRjcajUKjKyvrf/+m//Of/83//v//6v/7tv/3(...TRUNCATED) | "{\"problem_level\": \"bronze\", \"contest_year\": 1299, \"original_problem_id\": \"1299_bronze_hung(...TRUNCATED) |
Stamp Grid | "\nA stamp painting is a black and white painting on an $N \\times N$ canvas,\nwhere certain cells a(...TRUNCATED) | codeforces | 1300_bronze_stamp_grid | usaco_1300 | 1300-01-01T00:00:00 | # Read input and solve the problem
| easy | "[{\"input\": \"4\\n\\n2\\n**\\n*.\\n1\\n*\\n\\n3\\n.**\\n.**\\n***\\n2\\n.*\\n**\\n\\n3\\n...\\n.*.(...TRUNCATED) | "eJzsvc3OLMltLXoHF7ivIfSQEIje+pfnntoDT45xemgNNGkLUGtgGAbOkx9c7crg4lokIzLr21u2GuhSa39VTCaDwZ9FRmRW1v/(...TRUNCATED) | "{\"problem_level\": \"bronze\", \"contest_year\": 1300, \"original_problem_id\": \"1300_bronze_stam(...TRUNCATED) |
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