Compilare: main.cpp: In function 'int main()': main.cpp:9:13: warning: unused variable 'x' [-Wunused-variable] int n,k,x,u=1,p=1,bmax=-31000,umax=6; ^ main.cpp:7:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("secventa.in","r",stdin); ^ main.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n,&k); ^ main.cpp:12:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^