Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 16 | for(int i=1;i<=n;i++) | ~^~~ main.cpp:20:18: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 20 | for(int i=1;i<=n;i++) | ~^~~