摘要:题目链接: http://codeforces.com/contest/724 A. Checking the Calendar time limit per test 1 second memory limit per test 256 megabytes input standard input
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摘要:题目链接: A. Dreamoon and Sums time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output time limit
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摘要:题目链接: C. Prefix Product Sequence time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time lim
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摘要:题目链接: E. ZS and The Birthday Paradox、 time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output ti
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摘要:题目链接: gcd Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Little White learned the greatest com
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摘要:题目链接: abs Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Given a number x, ask positive intege
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摘要:题目链接: sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Given a sequence, you're asked whethe
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摘要:题目链接: Lucky7 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description When ?? was born, seven crows flew i
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摘要:题目链接: PowMod Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem Description Declare:k=∑mi=1φ(i∗n) mod 10000000
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摘要:题目链接: Dertouzos Time Limit: 7000/3500 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description A positive proper divisor is a
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摘要:题目链接: GCD Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description Give you a sequence of N(N≤100,000) in
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摘要:题目链接: C. PLEASE time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test 1 sec
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摘要:题目链接: GCD Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Given 5 integers: a, b, c, d, k, you're
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摘要:题目链接: X问题 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description 求在小于等于N的正整数中有多少个X满足:X mod a[0] = b[0],
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摘要:题目链接: D. Remainders Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per t
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