Compilare: main.cpp: In function 'int main()': main.cpp:96:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 96 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:100:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<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: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for(int i=1;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:109:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 109 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:145:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~