Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<bits/stdc++.h> | ^~~~~~ main.cpp:2:203: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | using namespace std;set<string>f(string s){set<string>v;if(s=="1")v.insert("0");for(int i=0;s[i];i++){if(s[i]>49||(s[i]==49&&i))s[i]--,v.insert(s),s[i]++;if(s[i]<57)s[i]++,v.insert(s),s[i]--;}return v;}main(){int v;string s;fstream("aproape.in")>>v>>s;set<string>c,b=f(s);for(auto x:b){auto t=f(x);c.insert(t.begin(),t.end());}ofstream("aproape.out")<<(v==1?s.size():v==2?b.size():c.size());} | ^~~~