Compilare: user.cpp: In function ‘int main()’: user.cpp:20:52: warning: unused variable ‘sum’ [-Wunused-variable] int i, n, x, st = 0, dr = 256000000, med, rez, sum=0, max=0; ^ user.cpp:20:59: warning: unused variable ‘max’ [-Wunused-variable] int i, n, x, st = 0, dr = 256000000, med, rez, sum=0, max=0; ^ user.cpp:21:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.in","r",stdin); ^ user.cpp:22:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("transport.out","w", stdout); ^ user.cpp:23:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:25:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^