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Codeforces 思维题单

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Codeforces 思维题单 1200-2500+，按难度分组循序渐进。

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题目	尝试	AC	难度
7247 1097A. A. Gennady and a Card Game	9	8	1
7248 110A. A. Nearly Lucky Number	18	8	1
7258 1220A. A. Cards	7	7	1
7259 1249A. A. Yet Another Dividing into Teams	8	7	1
7262 1294A. A. Collecting Coins	13	7	1
7267 1328A. A. Divisibility Problem	10	7	1
7270 1335A. A. Candies and Two Sisters	15	9	1

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题目	尝试	AC	难度
7273 1343B. B. Balanced Array	13	8	1
7275 1353B. B. Two Arrays And Swaps	7	7	2
7279 1360A. A. Minimal Square	20	7	8
7282 1367A. A. Short Substrings	5	5	1
7283 1370A. A. Maximum GCD	9	5	1
7285 1374A. A. Required Remainder	5	5	1
7287 1382A. A. Common Subsequence	18	4	1

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题目	尝试	AC	难度
7289 1398A. A. Bad Triangle	7	5	1
7290 1399A. A. Remove Smallest	6	5	1
7295 271A. A. Beautiful Year	10	5	1
7299 472A. A. Design Tutorial: Learn from Math	21	3	1
7300 4A. A. Watermelon	11	6	1
7301 732A. A. Buy a Shovel	6	5	1
7302 749A. A. Bachgold Problem	17	3	1

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题目	尝试	AC	难度
7256 1206B. B. Make Product Equal One	20	5	2
7271 1335B. B. Construct the String	9	2	10
7294 1475A. A. Odd Divisor	11	5	1
7296 318A. A. Even Odds	14	5	1
7266 131A. A. cAPS lOCK	6	5	1
7293 1473B. B. String LCM	9	4	2
7268 1328C. C. Ternary XOR	7	4	10

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题目	尝试	AC	难度
7274 1352C. C. K-th Not Divisible by n	5	4	2
7276 1354B. B. Ternary String	8	4	2
7277 1355A. A. Sequence with Digits	8	5	10
7292 1420B. B. Rock and Lever	6	3	10
7250 1157C1. C1. Increasing Subsequence (easy version)	8	3	10
7263 1294C. C. Product of Three Numbers	12	3	2
7280 1360E. E. Polygon	3	3	2

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题目	尝试	AC	难度
7246 1095C. C. Powers Of Two	24	7	2
7253 1195C. C. Basketball Exercise	8	6	9
7254 1201C. C. Maximum Median	19	5	8
7257 1215B. B. The Number of Products	6	5	2
7265 1312C. C. Adding Powers	7	4	10
7286 1375C. C. Element Extermination	7	3	10
7303 762A. A. k-th divisor	6	4	2

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题目	尝试	AC	难度
7252 1166C. C. A Tale of Two Lands	20	11	6
7269 1332C. C. K-Complete Word	11	8	8
7245 1077D. D. Cutting Out	12	1	10
7261 1288C. C. Two Arrays	12	9	8
7264 1303C. C. Perfect Keyboard	6	1	10
7272 1342C. C. Yet Another Counting Problem	3	2	10
7281 1363C. C. Game On Leaves	2	2	10

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题目	尝试	AC	难度
7288 1395C. C. Boboniu and Bit Operations	3	2	10
7251 1157C2. C2. Increasing Subsequence (hard version)	5	2	10
7291 1406C. C. Link Cut Centroids	6	1	10
7297 358D. D. Dima and Hares	1	1	10
7243 1036C. C. Classy Numbers	1	1	10
7244 1076E. E. Vasya and a Tree	3	2	10
7249 1114D. D. Flood Fill	3	1	10

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题目	尝试	AC	难度
7260 1285D. D. Dr. Evil Underscores	1	1	10
7278 1359E. E. Modular Stability	1	1	10
7284 1370D. D. Odd-Even Subsequence	1	1	10
7255 1203F1. F1. Complete the Projects (easy version)	1	1	10
7298 451E. E. Devu and Flowers	2	2	10

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