Submission #1330391

#	Time	Username	Problem	Language	Result	Execution time	Memory
1330391		KhoaDuy	Hack (APIO25_hack)	C++20	75.40 / 100	99 ms	1304 KiB

hack

#include "hack.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int MAXN=1e9;
int hack(){
    int low=1,high=MAXN;
    while(low<high){
        //cout << "PHASE " << low << ' ' << high << endl;
        int mid=((high+low)>>1);
        int sz=high-low+1;
        vector<ll> v;
        int blsz=sqrt(sz);
        for(int i=1;i<=blsz;i++){
            v.push_back(i);
        }
        if(low>1){
            v.push_back(v.back()+low-1);
        }
        while(v.back()-v[0]<mid){
            v.push_back(v.back()+blsz);
        }
        if(collisions(v)){
            high=v.back()-v[0];
        }
        else{
            low=v.back()-v[0]+1;
        }
    }
    return low;
}

• Subtask 0: 0 / 0
• Subtask 1: 8 / 8
• Subtask 2: 17 / 17
• Subtask 3: 50.4445 / 75