View Code of Problem 61

#include<stdio.h>
#include<string.h>
#include<math.h>
#define MAX 1000000+10
#define Max(a,b) a>b?a:b
#define Min(a,b) a<b?a:b
int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int n;
		scanf("%d",&n);
		int a[n];
		int i,j;
		for(i=0;i<n;i++)
		{
			scanf("%d",&a[i]);
		}
		for(i=1;i<n;i++)
		{
			int t=a[i];
			for(j=i-1;j>=0&&a[j]>t;j--)
			{
				a[j+1]=a[j];
			}
			a[j+1]=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);
	}		

}

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