Compilare: main.cpp: In function 'int main()': main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:104:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:108:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i=1;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:113:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 113 | for(int i=0;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:149:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for(int i=0;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:159:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 159 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:196:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 196 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~