题解|c++ & python

c++解法

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    if(n >= 10 && n <= 99)cout << '1';
    else cout << '0';
    return 0;
}

python解法

a = int (input());
if a >= 10 and a <= 99:
    print('1')
else:
    print('0')