Compilare: main.cpp: In function 'int main()': main.cpp:57:19: warning: comparison of integer expressions of different signedness: 'int' and 'll' {aka 'long long unsigned int'} [-Wsign-compare] 57 | for (int i=1;i<=n;++i){ | ~^~~ main.cpp:67:19: warning: comparison of integer expressions of different signedness: 'int' and 'll' {aka 'long long unsigned int'} [-Wsign-compare] 67 | for (int i=1;i<=n;++i){ | ~^~~