Compilare: user.cpp: In function ‘int main()’: user.cpp:10:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carry.in","r",stdin); ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carry.out","w",stdout); ^ user.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&k); ^ user.cpp:13:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ user.cpp:17:14: warning: array subscript is above array bounds [-Warray-bounds] d[0][0][2]=1; ^ user.cpp:20:65: warning: array subscript is above array bounds [-Warray-bounds] d[i][j][1]=d[i-1][j][1]*(10-v[i])+v[i]*d[i-1][j-1][2]; ^ user.cpp:22:67: warning: array subscript is above array bounds [-Warray-bounds] d[i][j][2]=d[i-1][j][1]*(10-v[i])+v[i+1]*d[i-1][j-1][2]; ^ user.cpp:22:22: warning: array subscript is above array bounds [-Warray-bounds] d[i][j][2]=d[i-1][j][1]*(10-v[i])+v[i+1]*d[i-1][j-1][2]; ^ user.cpp:23:28: warning: array subscript is above array bounds [-Warray-bounds] d[i][j][2]%=MOD; ^ /tmp/cc4luYkR.o: In function `main': user.cpp:(.text.startup+0x72): warning: the `gets' function is dangerous and should not be used.