Submission #1206394

#	Time	Username	Problem	Language	Result	Execution time	Memory
1206394		StefanSebez	Hack (APIO25_hack)	C++20	25 / 100	2428 ms	114964 KiB

hack

#include "hack.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int N=1e6+10;
vector<int>dvs[N+5];
int hack(){
	for(int i=1;i<=N;i++) dvs[i].clear();
	for(int i=1;i<=N;i++) for(int j=i;j<=N;j+=i) dvs[j].pb(i);
    int x=0;
	for(int i=N;i>=1&&x==0;i--){
		if(collisions({1,i})==1){
			x=i-1;
		}
	}
	int res=x;
	for(auto i:dvs[x]){
		if(collisions({1,i+1})==1) res=min(res,i);
	}
    return res;
}

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