Compilare: main.cpp: In function 'long double solve(int, int, std::vector<std::pair<int, int> >&)': main.cpp:44:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for (int i = 0; i < s.size(); ++i) | ~~^~~~~~~~~~ main.cpp:45:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for (int j = i+1; j < s.size(); ++j) | ~~^~~~~~~~~~ main.cpp:53:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 53 | int mj = st+dr >> 1; | ~~^~~ main.cpp:74:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for (int i = 0; i < s.size(); ++i) | ~~^~~~~~~~~~ main.cpp:75:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for (int j = i+1; j < s.size() && s[i].se - s[j].se <= d; ++j) | ~~^~~~~~~~~~