Submission #609423

#	Time	Username	Problem	Language	Result	Execution time	Memory
609423		sword060	Gap (APIO16_gap)	C++17	Compilation error	0 ms	0 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
vector<long long>a;
void rec(long long l,long long r){
  long long c,v;
  MinMax(l,r,&c,&v);
  if(c==-1)return;
  a.push_back(c);if(c!=v)a.push_back(v);
  if(c==v||c==v-1)return;
  rec(c+1,(c+v)/2);rec((c+v)/2+1,v);
}
long long findGap(int q,int x){
  if(q==2)rec(0,1e18);
  else{
    long long c=0,v=1e18;
    while(c<=r){
      MinMax(c,v,&c,&v);
      if(c==-1)break;
      a.push_back(c);if(c!=v)a.push_back(v);
      c++;v--;
    }
  }
  sort(a.begin(),a.end());
  long long ret=0;
  for(int i=0;i<x-1;i++)ret=max(ret,a[i+1]-a[i]);
  return ret;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:17:14: error: 'r' was not declared in this scope
   17 |     while(c<=r){
      |              ^