Compilare: main.cpp: In function 'int main()': main.cpp:44:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | for(int j=0;j+1<poz[i].size();++j) r[poz[i][j]]=min(r[poz[i][j]],poz[i][j+1]-1); | ~~~^~~~~~~~~~~~~~ main.cpp:45:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int j=1;j+1<poz[i].size();++j) | ~~~^~~~~~~~~~~~~~