Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<bits/stdc++.h> | ^~~~~~ main.cpp:3:203: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 3 | using namespace std;ofstream g("dir.out");set<s>r;s v;int i;void a(s p){if(v[i]==40)++i,p+=92;while(v[i]-41&&v[i]){s w;while(v[i]>47)w+=v[i++];if(w[0]>96)r.insert(p+w);else a(p+w);if(v[i]==44)++i;}++i;}main(){ifstream("dir.in")>>v;s p;a(p);g<<r.size()<<'\n';for(auto&i:r)g<<i<<'\n';} | ^~~~