Submission #614102

#	Time	Username	Problem	Language	Result	Execution time	Memory
614102		sword060	Gap (APIO16_gap)	C++17	30 / 100	3055 ms	133576 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
vector<long long>a;
void rec(long long l,long long r){
  if(l>r)return;
  long long c,v;
  MinMax(l,r,&c,&v);
  if(c==-1)return;
  a.push_back(c);a.push_back(v);
  if(c==v||c==v-1)return;
  long long ret=2;
  c++;v--;
  int m1=c+(v-c)/3,m2=v-(v-c)/3;
  rec(c,m1);rec(m1,m2);rec(m2,v);
}
long long findGap(int q,int x){
  if(q==2)rec(0,1e18);
  else{
    long long c=0,v=1e18,zz=x;
    while(zz&&c<=v){
      long long l,r;
      MinMax(c,v,&l,&r);
      if(l==-1)break;
      a.push_back(l);if(l!=r)a.push_back(r);
      c=l+1;v=r-1;zz-=2;
    }
  }
  sort(a.begin(),a.end());
  long long ret=0;
  for(int i=0;i<(int)a.size()-1;i++)ret=max(ret,a[i+1]-a[i]);
  return ret;
}

Compilation message (stderr)

gap.cpp: In function 'void rec(long long int, long long int)':
gap.cpp:12:13: warning: unused variable 'ret' [-Wunused-variable]
   12 |   long long ret=2;
      |             ^~~

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70