Submission #314092

#	Time	Username	Problem	Language	Result	Execution time	Memory
314092		lukameladze	The Big Prize (IOI17_prize)	C++14	Compilation error	0 ms	0 KiB

prize

#include "prize.h"
# include <bits/stdc++.h>

int find_best(int n) 
{
    vector<int> res;
    int le,l,x1,x2,mx,mid,ri,ans;
    
	for (int i=1; i<=500; i++)
     {
          res=ask(i);
          if (res[0]+res[1]==0)
          {
               return i;
          }
          if (res[0]+res[1]>=mx)
          {
               mx=res[0]+res[1];
               l=i;
               x1=res[0];
               x2=res[1];
          }
     }
 
     while (true)
     {
          le=l+1;
          ri=n;
          while (le<=ri)
          {
               mid=(le+ri)/2;
               res=ask(mid);
               if (res[0]+res[1]!=mx)
               {
                    ans=mid;
               }
               if (res[0]==x1 && res[0]+res[1]==mx)
               {
                    le=mid+1;
               }
               else
               {
                    ri=mid-1;
               }
          }
          for (int i=ans+1; i<=n; i++)
          {
               res=ask(i);
               if (res[0]+res[1]==0)
               {
                    return i;
               }
               if (res[0]+res[1]==mx)
               {
                    l=i;
                    x1=res[0];
                    break;
               }
          }
          
     }
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:6:5: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
    6 |     vector<int> res;
      |     ^~~~~~
      |     std::vector
In file included from /usr/include/c++/9/vector:67,
                 from prize.h:1,
                 from prize.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:386:11: note: 'std::vector' declared here
  386 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
prize.cpp:6:12: error: expected primary-expression before 'int'
    6 |     vector<int> res;
      |            ^~~
prize.cpp:11:11: error: 'res' was not declared in this scope
   11 |           res=ask(i);
      |           ^~~
prize.cpp:32:16: error: 'res' was not declared in this scope
   32 |                res=ask(mid);
      |                ^~~
prize.cpp:48:16: error: 'res' was not declared in this scope
   48 |                res=ask(i);
      |                ^~~