func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string n;     cin >> n;     if (n[0] !=  - ) {       cout << n;     } else {       char max =  0 ;       int mem;       for (int i = n.length() - 2; i < n.length(); ++i) {         if (n[i] >= max) {           max = n[i];           mem = i;         }       }       string merge = n.substr(0, mem) + n.substr(mem + 1, n.length());       int result = atoi(merge.c_str());       cout << result;     }     return 0;   }   