(5)main( ) { int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(k=0;k

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(5)main( ) { int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(k=0;k

(5)main( ) { int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(k=0;k
(5)main( ) { int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(k=0;k

(5)main( ) { int k; int a[3][3]={1,2,3,4,5,6,7,8,9}; for(k=0;k
输出结果:3 5 7
int a[3][3]={1,2,3,4,5,6,7,8,9}; 声明了一个3*3的二维数组.
循环一共执行三次.
第一次:k = 0, 输出 a[0][2],也就是3;
第二次:k = 1,输出 a[1][1],也就是5;
第三次:k = 2,输出 a[2][0],也就是7.

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