Compilare: user.cpp: In function ‘int main()’: user.cpp:11:24: warning: variable ‘ta’ set but not used [-Wunused-but-set-variable] int r,d,i,nr = 0,p,ta,x; ^ user.cpp:9:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pascal.in","r",stdin); ^ user.cpp:10:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pascal.out","w",stdout); ^ user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&r,&d); ^ user.cpp:22:43: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] x += puteri[r - i + 2] - puteri[i]; ^