Compilare: main.cpp: In function 'int main()': main.cpp:41:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i=0; i < interval.size(); i++) | ~~^~~~~~~~~~~~~~~~~ main.cpp:27:12: warning: 'i' is used uninitialized [-Wuninitialized] 27 | v[i]=1; | ~~~^ main.cpp:26:15: note: 'i' declared here 26 | int n, m, i, j, d; | ^