poj3061


#include<stdio.h>
#include<iostream>
using namespace std;
#include<algorithm>
const int Max=100010;
int main()
{
    int ans;
    int n,S,a[Max];
    int T;
    scanf("%d",&T);//还有这句话我没有太明白其意思,The input will finish with the end of file.,我以为要,while(~scanf("%d",&T)),结果错了
        while(T--)
        {
        int l=0,r=0;
        int sum=0;
            scanf("%d%d",&n,&S);
            for(int i=0; i<n; i++)
                scanf("%d",&a[i]);
            ans=n+10;/////////////////////这里不能太大,不然就错了
            while(true)
            {
                while(sum<S&&r<n) sum += a[r++];
                if(sum < S) break;
                ans=min(ans,r-l);
                sum = sum-a[l++];
            }
            if (ans > n) ans = 0;
            printf("%d
",ans);
        }




    return 0;
}

原文地址:https://www.cnblogs.com/qie-wei/p/10160294.html