Submission #614095

#	Time	Username	Problem	Language	Result	Execution time	Memory
614095		sword060	Gap (APIO16_gap)	C++17	42.89 / 100	66 ms	2244 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
vector<long long>a;
long long rec(long long l,long long r,long long x){
  if(l>r||x<=0)return 0;
  long long c,v;
  MinMax(l,r,&c,&v);
  if(c==-1)return 0;
  a.push_back(c);a.push_back(v);
  if(c==v||c==v-1)return 2;
  long long ret=2;
  ret+=rec(c+1,(c+v)/2,x-2)+2;
  ret+=rec((c+v)/2+1,v-1,x-2)+2;
  return ret;
}
long long findGap(int q,int x){
  if(q==2)rec(0,1e18,x);
  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;
}

• Subtask 1: 30 / 30
• Subtask 2: 12.8863069276 / 70