Compilare: main.cpp: In function 'void bktExp(int, long long int, int, int)': main.cpp:17:59: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (expTarget - expCur < 0 or (expTarget == expCur && i != primcur.size()) or (expTarget != expCur && i == primcur.size())) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:17:107: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if (expTarget - expCur < 0 or (expTarget == expCur && i != primcur.size()) or (expTarget != expCur && i == primcur.size())) { | ~~^~~~~~~~~~~~~~~~~ main.cpp:20:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | if (i == primcur.size() && expCur == expTarget) { | ~~^~~~~~~~~~~~~~~~~