Compilare: main.cpp: In function 'long double solve(int, int, std::vector<std::pair<int, int> >&)': main.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < s.size(); ++i) | ~~^~~~~~~~~~ main.cpp:43:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for (int j = i+1; j < s.size(); ++j) | ~~^~~~~~~~~~ main.cpp:51:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 51 | int mj = st+dr >> 1; | ~~^~~ main.cpp:70:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for (int i = 0; i < s.size(); ++i) | ~~^~~~~~~~~~ main.cpp:71:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for (int j = i+1; j < s.size() && s[i].se - s[j].se < d; ++j) | ~~^~~~~~~~~~