Compilare: main.cpp: In function 'void rezolva()': main.cpp:88:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchie[i].size();++j) ~^~~~~~~~~~~~~~~~~ main.cpp:105:25: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(c[k] == val1) ^~ main.cpp:107:29: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(c[1] == c[n]) ^~