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#include <stdio.h>
#define N 10
void f(int(*a)[N], int n)
{
/********** Begin **********/
int i, j, tmp;
for (i = 0; i < n; i++)
for (j = i; j < n; j++) {
if (i != j) {
tmp = a[i][j];
a[i][j] = a[j][i];
a[j][i] = tmp;
}
//printf("a[%d][%d] = %d\n", i, j, a[i][j]);
}
/********** End ***********/
}
int main()
{
int a[N][N], n, i, j;
scanf("%d", &n);
if (n > N) //防止n过大导致数组越界
n = N;
int cnt = 1;
for (i = 0; i<n; i++)
for (j = 0; j<n; j++)
a[i][j] = cnt++;
//scanf("%d", &a[i][j]);
for (i = 0; i<n; i++) {
for (j = 0; j<n; j++)
printf("%2d ", a[i][j]);
putchar(10);
}
putchar(10);
f(a, n);
for (i = 0; i<n; i++)
{
for (j = 0; j<n; j++)
printf("%2d ", a[i][j]);
printf("\n");
}
return 0;
}