Compilare: main.cpp: In function 'int main()': main.cpp:125:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 125 | for(int h=0;h<v[q.front()].size();++h) | ~^~~~~~~~~~~~~~~~~~~~ main.cpp:183:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for(int i=0;i<c.size();++i) | ~^~~~~~~~~ main.cpp:213:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 213 | for(int i=0;i<o.size();++i) | ~^~~~~~~~~ main.cpp:243:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 243 | for(int i=0;i<c.size();++i) | ~^~~~~~~~~ main.cpp:272:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 272 | for(int i=0;i<o.size();++i) | ~^~~~~~~~~ main.cpp:302:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 302 | for(int i=0;i<e.size();++i) | ~^~~~~~~~~ main.cpp:319:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 319 | for(int h=0;h<vv[pt].size();++h) | ~^~~~~~~~~~~~~~ main.cpp:338:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 338 | for(int i=0;i<c.size();++i) | ~^~~~~~~~~ main.cpp:354:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 354 | for(int h=0;h<vv[pt].size();++h) | ~^~~~~~~~~~~~~~ main.cpp:364:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 364 | for(int i=0;i<o.size();++i) | ~^~~~~~~~~