Compilare: main.cpp: In function 'std::vector<std::vector<long long int> > matProd(std::vector<std::vector<long long int> >, std::vector<std::vector<long long int> >)': main.cpp:16:12: warning: unused variable 'c1' [-Wunused-variable] 16 | ll c1 = mx1[0].size(); | ^~ main.cpp: In function 'void solve(long long int, long long int, std::vector<long long int>&, std::vector<long long int>&, std::vector<long long int>&)': main.cpp:118:20: warning: unused variable 'nr' [-Wunused-variable] 118 | ll nr = d[i]; | ^~