Compilare: user.cpp: In function ‘int main()’: user.cpp:16:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= n; ++i) ^ user.cpp:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; ++i) ^ user.cpp:20:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; ++i) ^ user.cpp:24:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = n; i < m && cnt <= 1000; ++i) ^ user.cpp:32:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= cnt; ++i) ^