Compilare: user.cpp: In function ‘void solve()’: user.cpp:22:9: warning: unused variable ‘r’ [-Wunused-variable] int r=n-k+1; ^ user.cpp: In function ‘void citire()’: user.cpp:12:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d",&n,&k,&q,&x,&y,&z); ^ user.cpp: In function ‘int main()’: user.cpp:31:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("beri.in","r",stdin); ^ user.cpp:32:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("beri.out","w",stdout); ^