#include <stdio.h>
int main()
{
int arr[3][3] = { {1,2,3,},{4,5,6},{7,8,9} };
int i, sum;
for (i = 0,sum = 0; i < 3; i++)
{
sum += arr[i][i];
int j = 2 - i;
if (j == i)
break;
sum += arr[i][j];
}
printf("对角线元素之和是：%d", sum);
return 0;
}
2022-02-16
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