Start: Dec, 04, 2016 12:00:00
杭州师范大学第十届程序设计竞赛—正式
End: Dec, 04, 2016 17:00:00
Time elapsed:
Time remaining:

Problem_ID: B
Result: Accepted
Time: 1ms
Memory: 1092kB
In contest: 1075

#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
	int n,m ,i,j,k,sum,t,a[10002],temp;
	scanf("%d",&t);
	while(t--){
		scanf("%d %d",&n,&m);
		for(i=0;i<m;i++){
		scanf("%d",&a[i]);
		}
		for(i=0;i<m;i++){
			for(j=i+1;j<m;j++){
				if(a[j]<a[i]){
					temp=a[i];
					a[i]=a[j];
					a[j]=temp;
				}
			}
		}
		sum=0;
		for(k=0;sum<=n;k++){
			if(k<=m)
		       sum+=a[k];
			else
				break;
		}
		printf("%d\n",k-1);
	}

	
	return 0;
}