Compilare: main.cpp: In function 'int main()': main.cpp:108:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | while (posl[curr] + 1 < vals[curr].size() && | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:104:9: warning: unused variable 'bl' [-Wunused-variable] 104 | int bl = place[l]; | ^~ main.cpp:125:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 125 | if (posr[curr] < vals[curr].size()) | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:120:9: warning: unused variable 'br' [-Wunused-variable] 120 | int br = place[r]; | ^~