Compilare: main.cpp: In function 'int main()': main.cpp:24:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | for (int k = 0; k < v.size() && j - v[k] > lin[i + 1][j]; k++) { | ~~^~~~~~~~~~