Compilare: user.cpp: In function ‘int main()’: user.cpp:22:19: warning: unused variable ‘x’ [-Wunused-variable] int c,n,i,k=0,x,y; ^ user.cpp:22:21: warning: unused variable ‘y’ [-Wunused-variable] int c,n,i,k=0,x,y; ^ user.cpp:20:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] { freopen("rafturi.in", "r",stdin); ^ user.cpp:21:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rafturi.out", "w",stdout); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &c, &n); ^ user.cpp:25:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &v[i].dulap, &v[i].raft); ^