Submission #1197838

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197838		ansori	Magic Show (APIO24_show)	C++20	100 / 100	1 ms	368 KiB

Alice

#include <vector>
#include "Alice.h"
#include<bits/stdc++.h>
using namespace std;
const int N = 3696;
// you may define some global variables, but it does not work if you try to transfer any information from function Alice() to function Bob() through these variables.
// you had better not use the same global variables in function Alice() and in function Bob().
long long setN(int N);
std::vector<std::pair<int,int>> Alice(){
    long long x = setN(N);
	vector<pair<int , int>> G;
    for(int i = 2;i <= N; ++ i){
    	G.push_back({x % (i - 1) + 1 , i});
    }
    return G;
}

Bob

#include <vector>
#include "Bob.h"
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
// you may define some global variables, but it does not work if you try to transfer any information from function Alice() to function Bob() through these variables.
// you had better not use the same global variables in function Alice() and in function Bob().

long long Bob(std::vector<std::pair<int,int>> V){
	long long ans = 0;
	long long lc = 1;
	for(auto to : V){
		long long m = to.se - 1 , r = to.fi;
		while(ans % m != (r - 1)) ans += lc;
		//cout << m << ' ' << r << ' ' << lc << ' '<< '\n';
		int gc = m / __gcd(m , lc);
		if(1e18 / gc < lc) break;
		lc *= gc;
	}
    return ans; 
}

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 65 / 65