4位数abcd,有这样的性质:abcd=(ab+cd)的平方。ab,cd都为两个2位数,求这个4位数abcd。
2、源码
#include <stdio.h>
2:
void func()
4: {
int a, b, c, d;
6:
for(a = 1; a <= 9; a++)
for(b = 0; b <= 9; b++)
for(c = 0; c <= 9; c++)
for(d = 0; d <= 9; d++)
11: {
if(a * 1000 + b * 100 + c * 10 + d == ((a * 10 + b) + (c * 10 + d))* ((a * 10 + b) + (c * 10 + d)))
, a, b, c, d);
14: }
15: }
16:
int main()
18: {
);
20: func();
return 0;
22: }