Compilare: main.cpp: In function 'void Solve1()': main.cpp:37:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | if(ind == ans.size()) continue; | ~~~~^~~~~~~~~~~~~ main.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | while(ind < ans.size() && h == ans[ind].first) | ~~~~^~~~~~~~~~~~ main.cpp:58:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | if(ind == ans.size()) continue; | ~~~~^~~~~~~~~~~~~ main.cpp:60:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | while(ind < ans.size() && h == ans[ind].first) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:83:19: warning: unused variable 'pz' [-Wunused-variable] 83 | int p = 0,pz = -1; | ^~ main.cpp:86:13: warning: unused variable 's' [-Wunused-variable] 86 | int s = -1,s2 = -1; | ^ main.cpp:86:20: warning: unused variable 's2' [-Wunused-variable] 86 | int s = -1,s2 = -1; | ^~