Compilare: main.cpp: In function 'int main()': main.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:103:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 103 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:107:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for(int i=1;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:112:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 112 | for(int i=0;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:148:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(int i=0;i<poz[c].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:157:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:193:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 193 | for(int i=0;i<poz[c].size()-1;i++) | ~^~~~~~~~~~~~~~~~