View Code of Problem 17

#include<stdio.h>

int main(void)
{
	int n,m,i,j,min,max,sum;
	scanf("%d %d",&n,&m);
	int a[n][m];
	for(i=0;i<n;i++)
	{
		for(j=0;j<m;j++)
		{
			scanf("%d",&a[i][j]);
		}
	}
	min=a[0][0];
	max=a[0][0];
	for(i=0;i<n;i++)
	{
		for(j=0;j<m;j++)
		{
			if(min>a[i][j])
			{
				min=a[i][j];
			}
			if(max<a[i][j])
			{
				max=a[i][j];
			}
		}
	}
	sum=max-min;
	printf("%d",sum);
}

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