Submission #623675

#	Time	Username	Problem	Language	Result	Execution time	Memory
623675		sword060	Gap (APIO16_gap)	C++17	30 / 100	3092 ms	2232 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
long long findGap(int q,int x){
  if(q==2){
    long long l=0,r=1e18,ans=0;
    MinMax(l,r,&l,&r);
    if(x==2)return r-l;
    long long xd=l,dist=0,lol=(r-l+x-2)/(x-1);
    while(xd<=r){
      long long c1,c2;
      MinMax(xd+1,xd+1+lol,&c1,&c2);
      if(c1==-1){
        dist+=lol+1;
      }else{
         ans=max(ans,dist+c1);
         ans=max(ans,c2-c1);
         dist=0;
         xd=c1;
       }
    }
    return ans;
  }else{
    vector<long long>a;
    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;
  }
  return 0;
}

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