Compilare: user.cpp: In function ‘int FindF(int)’: user.cpp:13:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i < D.size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:49:17: warning: unused variable ‘p1’ [-Wunused-variable] int p1 = FindL(b[i-1]); ^ user.cpp:50:17: warning: unused variable ‘p2’ [-Wunused-variable] int p2 = FindL(b[i]); ^ user.cpp:65:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<D.size();++i) ^ user.cpp:33:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("compunere.in","r",stdin); ^ user.cpp:34:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("compunere.out","w",stdout); ^ user.cpp:35:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&n,&m); ^ user.cpp:37:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&a[i]); ^ user.cpp:41:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&b[i]); ^