Compilare: main.cpp: In function 'int main()': main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:52:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | while(st > 0 && dr < v.size() && v[st].cul == v[dr].cul && v[st].lung + v[dr].lung >= 3) { | ~~~^~~~~~~~~~ main.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | if(st > 0 && dr < v.size() && v[st].cul == v[dr].cul) { | ~~~^~~~~~~~~~ main.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:71:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<secv>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(i = 1; i < v.size(); i++) { | ~~^~~~~~~~~~ main.cpp:35:28: warning: variable 'b' set but not used [-Wunused-but-set-variable] 35 | int x, mx = 0, st, dr, b; | ^