railroad.cpp: In function 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:25:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for (int i = 0; i < good.size(); i++) {
| ~~^~~~~~~~~~~~~
railroad.cpp:26:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
26 | while (j < bad.size() && last_t <= s[bad[j]] && t[bad[j]] <= s[good[i]]) {
| ~~^~~~~~~~~~~~
railroad.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
30 | while (j < bad.size() && last_t <= s[bad[j]]) {
| ~~^~~~~~~~~~~~
railroad.cpp:33:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | return j == bad.size() ? 0 : 1;
| ~~^~~~~~~~~~~~~