Compilare: user.cpp: In function ‘int main()’: user.cpp:14:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= n; i++) ^ user.cpp:15:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 1; j <= n; j++) ^ user.cpp:23:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j <= n && m <= n) ^ user.cpp:23:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j <= n && m <= n) ^ user.cpp:32:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j <= n) ^ user.cpp:37:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (m <= n && i <= n) ^ user.cpp:37:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (m <= n && i <= n) ^ user.cpp:47:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j <= n) ^ user.cpp:52:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (m > 0 && i <= n) ^ user.cpp:61:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i <= n) ^ user.cpp:66:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (m <= n && j > 0) ^