Compilare: main.cpp: In function 'void tipar(int)': main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(i=0;i<sol.size();i++) | ~^~~~~~~~~~~ main.cpp:30:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 30 | if((v[i].first<sol[i].first)||((v[i].first==sol[i].first)&&(v[i].second<sol[i].second))) ok=1; break; | ^~ main.cpp:30:112: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 30 | if((v[i].first<sol[i].first)||((v[i].first==sol[i].first)&&(v[i].second<sol[i].second))) ok=1; break; | ^~~~~ main.cpp:12:11: warning: unused variable 'j' [-Wunused-variable] 12 | int i,j,ok=0,nr=0; | ^ main.cpp: In function 'void bkt(int)': main.cpp:51:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 51 | if(valid(k)) | ^