矩阵转置

#include<stdio.h>
#include<math.h>
#define N 5
int n;
int a[N][N];
void show(){
    int i, j;
    for(i=0; i<n; i++){
        for(j=0; j<n; j++){
            printf("%3d", a[i][j]);
        }
        printf("
");
    }
}

void reverse(){
    int i, j;
    for(i=0; i<n; i++){
        for(j=i+1; j<n; j++){
            int t=a[i][j];
            a[i][j]=a[j][i];
            a[j][i]=t;
        }
    }
}
int main(){
    //生成原始矩阵
    
    int i, j;
    scanf("%d", &n);
    for(i=0; i<n; i++){
        for(j=0; j<n; j++){
            a[i][j]= i * n + j + 1;
        }
    } 
    printf("The original matrix is:
");
    show();
    printf("The changed matrix is:
");
    reverse();
    show();
    
}