51Nod 1094 和为k的连续区间 | 水

#include "cstdio"
#include "algorithm"
#include "iostream"
#include "set"
using namespace std;
#define LL long long
#define N 10010
int arr[N];
int main()
{
    int k,n;
    while(~scanf("%d%d",&n,&k)){
        for(int i=0;i<n;i++){
            scanf("%d",&arr[i]);
        }
        LL sum=0;
        int a=1,b=1;
        bool c=0;
        for(int i=0;i<n;i++){
            sum=arr[i];a=i+1;
            for(int j=i+1;j<n;j++){
                if(sum==k)
                {
                    c=1;
                    break;
                }
                sum+=arr[j];b=j+1;
            }
            if(c)
                break;
        }
        if(!c)
            printf("No Solution\n");
        else
            printf("%d %d\n",a,b);
    }
    return 0;
}