View Code of Problem 45

#include <stdio.h>
#include <math.h>
 
int main()
{
	int n;
	scanf("%d",&n);
	int i,j;
	int a[100][100];
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			scanf("%d",&a[i][j]);
		}
	}
	int t;
	for(i=0;i<n;i++){
		for(j=i;j<n;j++){		//j从i开始 
			t=a[i][j];
			a[i][j]=a[j][i];
			a[j][i]=t;	
		}
	}
	
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			printf("%d ",a[i][j]);
		}
		printf("\n");
	}
	return 0;
}

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