Compilare: main.cpp: In function 'int main()': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 14 | for (int i = 1; i <= n; ++i) { | ~~^~~~ main.cpp:15:27: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 15 | for (int j = 1; j <= n; ++j) | ~~^~~~ main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 51 | for (int i = 2; i <= n; ++i) { | ~~^~~~