Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
46497 sunhuifeng 求和比较 C++ Accepted 0 MS 252 KB 234 2024-05-04 10:00:59

Tests(1/1):


#include<iostream> using namespace std; int n1,m1,cnt[505]={1}; int main(){ cin>>n1>>m1; m1=(n1*(n1+1)/2-m1)/2; for(int i=1;i<=n1;i++){ for(int j=m1;j>=i;j--){ cnt[j]+=cnt[j-i]; } } cout<<cnt[m1]; return 0; }


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