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<stdlib.h>
int main(void){
	int T;
	int n,m;
	int i,j,k;
	int num;
	int temp;
	int a[1000];
	scanf("%d",&T);
	while(T--){
		num=0;
		scanf("%d %d",&n,&m);
		for(i=0;i<m;i++){
			scanf("%d",&a[i]);
		}
		for(j=1;j<m;j++){
			for(i=0;i<m-j;i++){
				if(a[i]>a[i+1]){
					temp=a[i];
					a[i]=a[i+1];
					a[i+1]=temp;
				}
			}
		}
		for(i=0;i<m;i++){
			n=n-a[i];
			if(n>=0){
				num++;
			}
			else
				break;
		}
		printf("%d\n",num);
	}
}