Compilare: main.cpp: In function 'int main()': main.cpp:37:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int it = 0; it < v.size(); it++){ | ~~~^~~~~~~~~~ main.cpp:40:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i = 0; i < v[it].size(); i++){ | ~~^~~~~~~~~~~~~~ main.cpp:47:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(int i = 0; i < v[it].size(); i++){ | ~~^~~~~~~~~~~~~~ main.cpp:59:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(maxi - mini + 1 == v[it].size() - i) ok2[i] = 1; | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:72:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(int i = 0; i < v[it].size(); i++) v2.push_back(v[it][i]); | ~~^~~~~~~~~~~~~~ main.cpp:73:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i < v[it].size() - 1; i++){ | ~~^~~~~~~~~~~~~~~~~~