Borderou de evaluare (job #581196)

Compilare: main.cpp: In function 'int main()': main.cpp:69:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 69 | for( i = 2; i < sol.size(); ++i ) | ~~^~~~~~~~~~~~ main.cpp:78:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 78 | for( i = 1; i < sol.size(); ++i ) | ~~^~~~~~~~~~~~ main.cpp: In function 'int directie(int, int, int, int)': main.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type] 37 | } | ^