Compilare: main.cpp: In function 'int main()': main.cpp:18:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare] 18 | for( long long i = 1; i <= n; i++) | ~~^~~~ main.cpp:25:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'long long unsigned int' [-Wsign-compare] 25 | for( long long i = 3; i <= m; i++) | ~~^~~~