Submission #1305755

#	Time	Username	Problem	Language	Result	Execution time	Memory
1305755		hackstar	Hack (APIO25_hack)	C++20	78.10 / 100	129 ms	1928 KiB

hack

#include "hack.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long

int hack(){
    int low = 1;
    int high = 1e9;
    map<vector<ll>,int>cache;
    while(low<high){
        int mid = (low+high)/2;
        int s = sqrt(mid-low+1);
        vector<long long> query;
        for(int i=0;i<s;i++){
            query.push_back(i+1);
        }
        for(int i=0;low+s*(i+1)<=mid;i++){
            query.push_back(low+s*(i+1));
        }
        query.push_back(mid+1);
        int curr;
        				if(cache.count(query))
        						curr=cache[query];
        				else
        				{
        						curr=collisions(query);
        						cache[query]=curr;
        				}
        if(curr){
            high = mid;
        }
        else{
            low = mid+1;
        }
    }
    return low;
}

• Subtask 0: 0 / 0
• Subtask 1: 8 / 8
• Subtask 2: 17 / 17
• Subtask 3: 53.0948 / 75