Borderou de evaluare (job #781924)

Compilare: main.cpp: In function 'int main()': main.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 44 | for (int i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 50 | for (int i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 55 | for (int i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:79:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 79 | if (dr2<vec.size()) | ~~~^~~~~~~~~~~ main.cpp:83:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 83 | if (st2<0 || dr2>=vec.size()) | ~~~^~~~~~~~~~~~ main.cpp:106:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 106 | for (int i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:114:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 114 | for (int i=0;i<vec.size();i++) | ~^~~~~~~~~~~ main.cpp:22:9: warning: unused variable 'st' [-Wunused-variable] 22 | int st=1, cnt=0; | ^~ main.cpp:22:15: warning: unused variable 'cnt' [-Wunused-variable] 22 | int st=1, cnt=0; | ^~~