Compilare: main.cpp: In function 'int main()': main.cpp:37:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(i=0;i<l[k].size();i++) | ~^~~~~~~~~~~~ main.cpp:20:27: warning: unused variable 'j' [-Wunused-variable] 20 | int n, i, m, x, y, c, j, p, k, vecin, cost; | ^ main.cpp:20:30: warning: unused variable 'p' [-Wunused-variable] 20 | int n, i, m, x, y, c, j, p, k, vecin, cost; | ^