int j;int x[3][3]={1,2,3,4,5,6,7,8,9}; for (j=2; j>=0; j--) printf("%2d",x[j][2-j]);

int j;int x[3][3]={1,2,3,4,5,6,7,8,9}; for (j=2; j>=0; j--) printf("%2d",x[j][2-j]);
int j;int x[3][3]={1,2,3,4,5,6,7,8,9}; for (j=2; j>=0; j--) printf("%2d",x[j][2-j]);

int j;int x[3][3]={1,2,3,4,5,6,7,8,9}; for (j=2; j>=0; j--) printf("%2d",x[j][2-j]);
你只需要把二维数组分为3行3列按行列式排列一下
结果是 7 5 3