Compilare: main.cpp: In function 'int main()': main.cpp:127:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int j = 0; j < v[y].size(); j++) { | ~~^~~~~~~~~~~~~ main.cpp:128:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 128 | while(poz < v[x].size() && v[x][poz] < v[y][j]) | ~~~~^~~~~~~~~~~~~ main.cpp:132:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 132 | if(poz < v[x].size()) | ~~~~^~~~~~~~~~~~~ main.cpp:134:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 134 | if(poz + 1 < v[x].size()) | ~~~~~~~~^~~~~~~~~~~~~