View Code of Problem 61

#include <stdio.h>
int main(){
	int t;
	scanf("%d",&t);
	int i,j,k;
	for(k=0;k<t;k++){
		int n;
		scanf("%d",&n);
		int a[n];
		for(i=0;i<n;i++){
			scanf("%d",&a[i]);
		}
		
		int t;
		for(i=0;i<n;i++){
			for(j=i+1;j<n;j++){
				if(a[i]>a[j]){
					t=a[i];
					a[i]=a[j];
					a[j]=t;
				}
			}
		}
		
		int max=0;
		for(i=0;i<n;i++){
			if(a[i]*(n-i)>max){
				max=a[i]*(n-i);
			}
		}
		printf("%d\n",max);
	}
	return 0;
}

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