Compilare: main.cpp: In function 'int main()': main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 14 | for(int i=0; i<=n; i++){ | ~^~~ main.cpp:18:19: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 18 | for(int i=1; i<n; i++){ | ~^~ main.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 22 | for(int j=2; j<n; j++){ | ~^~ main.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 23 | for(int i=1; i<=n-j; i++){ | ~^~~~~