Compilare: user.cpp: In function ‘void fib(int)’: user.cpp:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( uint i = 3; i <= n; ++i ) ^ user.cpp: In function ‘int main()’: user.cpp:19:39: warning: iteration 998u invokes undefined behavior [-Waggressive-loop-optimizations] f[i] = (f[i-1] + f[i-2]) % MOD; ^ user.cpp:18:25: note: containing loop for ( uint i = 3; i <= n; ++i ) ^