Submission #1016305

#	Time	Username	Problem	Language	Result	Execution time	Memory
1016305		amine_aroua	Magic Show (APIO24_show)	C++17	100 / 100	1 ms	784 KiB

Alice

#include <bits/stdc++.h>
#include "Alice.h"
using namespace std;
const int N = 500;
std::vector<std::pair<int,int>> Alice()
{
    long long X = setN(N);
    vector<pair<int ,int>> vp;
    for(int i = 2 ; i <= N ; i++)
    {
        vp.push_back({X%(i - 1) + 1 , i});
    }
    return vp;
}

Bob

#include <bits/stdc++.h>
#include "Bob.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().
const int N = 5000;
long long lcm(int a , int b)
{
    return a * (b / __gcd(a , b));
}
long long Bob(std::vector<std::pair<int,int>> V)
{
    long long ans = 0;
    long long cur_mod = 1;
    for(auto [r , mod] : V)
    {
        r-- , mod--;
        while (ans % mod != r)
            ans+=cur_mod;
        cur_mod = lcm(cur_mod , mod);
        if(cur_mod > (long long)1e18)
            break;
    }
    return ans;
}

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