Compilare: main.cpp: In function 'void solve(long long int*, long long int*, long long int*)': main.cpp:45:23: 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] 45 | for (int i = 0; i < values.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp:59:27: 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 | for (int i = 0; i + 1 < values.size(); i++) { | ~~~~~~^~~~~~~~~~~~~~~ main.cpp: In function 'void solve2(long long int*, long long int*, long long int*)': main.cpp:125:23: 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] 125 | for (int i = 0; i < values.size(); i++) { | ~~^~~~~~~~~~~~~~~ main.cpp:143:27: 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] 143 | for (int i = 0; i + 1 < values.size(); i++) { | ~~~~~~^~~~~~~~~~~~~~~