Compilare: main.cpp: In function 'long long int solve(long long int, long long int, long long int, long long int, long long int)': main.cpp:34:1: warning: no return statement in function returning non-void [-Wreturn-type] 34 | } | ^ main.cpp: In function 'int main()': main.cpp:59:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if (val >= v.size()) | ~~~~^~~~~~~~~~~