Compilare: main.cpp: In function 'int main()': main.cpp:52:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j2=0;j2<v[j1].size();j2++) ~~^~~~~~~~~~~~~ main.cpp:50:8: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j1=1;j1<=n;j1++) ^~~ main.cpp:67:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' while(!coada_verificati.empty()) ^~~~~ main.cpp:81:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j2=0;j2<v[j1].size();j2++) ~~^~~~~~~~~~~~~