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HDU 5776 sum
Problem Description Given a sequence, you're asked whether there exists a consecutive subsequence whose sum is divisible by m. output YES, otherwise output NO Input The first line of th原创 2016-08-02 10:02:13 · 593 阅读 · 0 评论 -
HDU 5747 Aaronson
#include #include #include using namespace std; int main(){ int t; scanf("%d",&t); while(t--){ int n,m; scanf("%d%d",&n,&m); int sum=0; m=min(m,32); //因为n<=10^9,所以m最多只能取32 for(in原创 2016-07-24 19:21:34 · 403 阅读 · 0 评论 -
HDU 5750 Dertouzos
#include #include using namespace std; const int N=1000005; int prime[N]; void IsPrime(){ //埃式筛法打质数表 prime[0]=0;prime[1]=0;prime[2]=1; for(int i=3;i<N;i++) prime[i]=(i%2==原创 2016-07-24 19:05:08 · 378 阅读 · 0 评论 -
HDU 5718 Oracle
#include #include #include using namespace std; const int N=10000005;//数组要足够大 int a[N]; char s[N]; int main(){ bool compare(int,int); int count0(char*); int t; scanf("%d",&t);原创 2016-07-20 13:19:14 · 416 阅读 · 0 评论 -
HDU 5778 abs
Problem Description Given a number x, ask positive integer y\geq 2y≥2, that satisfy the following conditions: The absolute value of y - x is minimalTo prime factors decomposition of Y, every原创 2016-08-02 10:08:03 · 644 阅读 · 0 评论