not_exist @ 2022-08-16 16:30:10
#include <bits/stdc++.h>
using namespace std;
int main() {
long long n, c;
cin >> n;
if (n < 0) {
cout << "-";
n = abs(n);
}
bool x = true;
while (n != 0) {
c = n % 10;
if (c == 0 && x) {
n /= 10;
} else {
cout << c;
n /= 10;
x = false;
}
}
return 0;
}
by ajahjahah @ 2022-08-16 16:32:01
@300396ye 输入0不会输出,可以特判一下
by not_exist @ 2022-08-16 16:47:02
@ajahjahah 解决了,谢谢