Compilare: main.cpp:1: warning: ignoring '#pragma gcc target' [-Wunknown-pragmas] 1 | #pragma gcc target("Ofast,unroll-loops") | main.cpp: In function 'void makegrey(int, int)': main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 27 | for(i=0; i<s2.size(); i++) | ~^~~~~~~~~~ main.cpp: In function 'void makeindexes(int, int, int)': main.cpp:68:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(i=0; i<s2.size(); i++) | ~^~~~~~~~~~ main.cpp: In function 'void dfs(int, int, int)': main.cpp:107:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:116:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for(i=0; i<adj[curr].size(); i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void solveheavy()': main.cpp:156:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 156 | for(i=0;i<vecini.size();i++) | ~^~~~~~~~~~~~~~ main.cpp:161:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 161 | for(i=0;i<noduri.size();i++) | ~^~~~~~~~~~~~~~ main.cpp:168:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 168 | for(i=0;i<noduri.size();i++) | ~^~~~~~~~~~~~~~ main.cpp:180:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 180 | for(i=0;i<vecini.size();i++) | ~^~~~~~~~~~~~~~ main.cpp:196:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | for(i=0;i<aux.size();i++) | ~^~~~~~~~~~~ main.cpp: In function 'void dfsheavy(int, int)': main.cpp:206:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for(int i=1;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsnorm(int, int)': main.cpp:239:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 239 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:250:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 250 | for(i=0;i<adj[curr].size();i++) | ~^~~~~~~~~~~~~~~~~ main.cpp:226:24: warning: unused variable 'k' [-Wunused-variable] 226 | int fii=2,biti=1,i,k,a,b; | ^ main.cpp:226:28: warning: unused variable 'b' [-Wunused-variable] 226 | int fii=2,biti=1,i,k,a,b;