完成下列程序:将二维数组的右上部分置0并输出。即:
1 |
2 |
3 |
4 |
5 |
变成 |
1 |
0 |
0 |
0 |
0 |
6 |
7 |
8 |
9 |
10 |
6 |
7 |
0 |
0 |
0 |
11 |
12 |
13 |
14 |
15 |
11 |
12 |
13 |
0 |
0 |
16 |
17 |
18 |
19 |
20 |
16 |
17 |
18 |
19 |
0 |
21 |
22 |
23 |
24 |
25 |
21 |
22 |
23 |
24 |
25 |
#include
main( ){
int a[5][5]={{1,2,3,4,5},{6,7,8,9.10}.{11.12.13,14,15},{16,17,18,19,20},{21,22,23,24,25}};
int i.j;
for(i=0;i<5;i++)
(for(j=0;j<5;j++)
if(______ 1 ______) ______ 2 ______ }
for(i=0;i<5;i++)
{for(j=0;j<5;j++)
printf("%d",a[i][i]);
______ 3______ }}
答案: