Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:54:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (n*i<=A){n++;} ^ user.cpp:56:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (n<i+1){n=i+1;} ^ user.cpp:57:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(n<=b) ^ user.cpp:71:13: error: expected ‘}’ at end of input return 0; ^