Compilare: main.cpp: In function 'int main()': main.cpp:40:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:53:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | while(st > 0 && dr < v.size() && v[st].cul == v[dr].cul && v[st].lung + v[dr].lung >= 3) { | ~~~^~~~~~~~~~ main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(st > 0 && dr < v.size() && v[st].cul == v[dr].cul) { | ~~~^~~~~~~~~~ main.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:36:28: warning: variable 'b' set but not used [-Wunused-but-set-variable] 36 | int x, mx = 0, st, dr, b; | ^