#include <stdio.h>
int main() {
int n;
scanf_s("%d", &n);
int s = 0;
if (n >= 10 && n <= 100) {
for (int i = 10001; i <= 999999; ++i) {
if (i >= 100001) {
int a = i % 10;
int f = i / 100000;
if (a != f) {
continue;
}
int b = i / 10 % 10;
int e = i / 10000 % 10;
if (b != e) {
continue;
}
int c = i / 1000 % 10;
int d = i / 100 % 10;
if (c != d) {
continue;
}
if ((a << 1) + (b << 1) + (c << 1) == n) {
s = 1;
printf("%d\n", i);
}
}
else {
int a = i % 10;
int e = i / 10000;
if (a != e) {
continue;
}
int b = i / 10 % 10;
int d = i / 1000 % 10;
if (b != d) {
continue;
}
int c = i / 100 % 10;
if ((a << 1) + (b << 1) + c == n) {
s = 1;
printf("%d\n", i);
}
}
}
}
if (!s) {
printf("%d\n", -1);
}
return 0;
}
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热门评论
写的也太复杂了,没必要
PS:推(Da)荐(Ge)一(Guang)下(Gao)-->C++的一些数据结构的代码
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地址:https://github.com/Mer1997