Submission #655504

#	Time	Username	Problem	Language	Result	Execution time	Memory
655504		PanTkd	Rice Hub (IOI11_ricehub)	C++14	Compilation error	0 ms	0 KiB

ricehub

#include "ricehub.h"
#include <iostream>
#include <cmath>
typedef long long ll;
using namespace std;


bool ok (ll x, ll R,ll L,ll X[],ll B){
  ll i = x;
  ll cost = 0;
  ll med = ((i)/2);
  for(ll j = 0;j<i;j++){
    cost += abs(X[med]-X[j]);
  }
  if(cost<=B){ return 1;}
  for(ll j = 1;j<=R-i;j++){
    med++;
    cost += (i/2-(i-1)/2)*(X[med]-X[med-1]);
    cost += abs(X[med]-X[j+i-1]);
    cost -= abs(X[med-1]-X[j-1]);
    if(cost<=B){return 1;}
  } 
  return 0;
}
int besthub(int R, int L, int X[], long long B)
{
  ll l = 1 , ll r = R;
  ll ans = 1;
  while(l<=r){
    ll m = (l+r)>>1;

    if (ok(m,R,L,X,B))
    {
      ans = max (ans, m);
      l = m;
    } 
    else{
      r = m - 1;
    }
  }
  return ans;
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:27:17: error: expected initializer before 'r'
   27 |   ll l = 1 , ll r = R;
      |                 ^
ricehub.cpp:29:12: error: 'r' was not declared in this scope
   29 |   while(l<=r){
      |            ^
ricehub.cpp:32:18: error: cannot convert 'int*' to 'll*' {aka 'long long int*'}
   32 |     if (ok(m,R,L,X,B))
      |                  ^
      |                  |
      |                  int*
ricehub.cpp:8:29: note:   initializing argument 4 of 'bool ok(ll, ll, ll, ll*, ll)'
    8 | bool ok (ll x, ll R,ll L,ll X[],ll B){
      |                          ~~~^~~