题解 | #反序相等#
反序相等
https://www.nowcoder.com/practice/092e7068881549bd8985c379208ef3c2
#include <iostream>
using namespace std;
int reverse (int n){
int a = 0, b = 0;
while (n != 0){
a = n % 10;
n /= 10;
b = b * 10 + a;
}
return b;
}
int main () {
for (int i = 1000; i <= 9999; i++){
if (i * 9 == reverse(i)){
cout << i << endl;
}
}
return 0;
}
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