题解

#include <cstdio>
using namespace std;
int n,m,ans=1;                    //开场必须自定义
int main(){
    scanf ("%d %d",&n,&m);        //输入格式化最快
    int k=0;
    while (n--){
        int a;
        scanf ("%d",&a);
        if (k+a<=m){              //判断二分左式右
            k+=a;
        }else{
            ans++;
            k=a;
        }
    }
    printf ("%d\n",ans);          //最后输出满地绿
}