Compilare: main.cpp: In function 'int main()': main.cpp:26:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("tango.in","r",stdin); ^ main.cpp:27:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("tango.out","w",stdout); ^ main.cpp:38:14: warning: iteration 7 invokes undefined behavior [-Waggressive-loop-optimizations] { DP[i]=v[i]; ~~~~~^~~~~ main.cpp:37:18: note: within this loop for(int i=1;i<=8;i++) ~^~~ main.cpp:43:21: warning: array subscript is above array bounds [-Warray-bounds] cout<<gyors(DP[8]%MOD,a)%MOD; ~~~~^