Submission #1184545

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184545		thieunguyenhuy	Magic Show (APIO24_show)	C++20	100 / 100	2 ms	380 KiB

Alice

#include "Alice.h"
#include <bits/stdc++.h>
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().

std::vector<std::pair<int,int>> Alice(){
	// add your code here
	
	// change below into your code
	int n = 5000;
    long long X = setN(n);

    vector<pair<int, int>> edges;
    for (int i = 2; i <= n; ++i) edges.emplace_back(X % (i - 1) + 1, i);
    return edges;
}

Bob

#include "Bob.h"
#include <bits/stdc++.h>
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){
	// add your code here
	long long X = 0, lcm = 1;
	for (auto &it : V) {
		int mod = it.second - 1;
		while (X % mod != it.first - 1) X += lcm;
		lcm = lcm / __gcd(lcm, 0ll + mod) * mod;
	}
	return X;
}

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