Submission #1082735

#	Time	Username	Problem	Language	Result	Execution time	Memory
1082735		dong_gas	Magic Show (APIO24_show)	C++17	100 / 100	3 ms	836 KiB

Alice

#include <bits/extc++.h>
#include "Alice.h"
#include "Bob.h"
#define all(v) v.begin(), v.end()
#define zip(v) sort(all(v)), v.erase(unique(all(v)), v.end())
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pint;
typedef pair<ll, ll> pll;
using namespace __gnu_pbds;
template<class T> using PBDS = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using multiPBDS = tree<T, null_type,  less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

vector<pint> Alice(){
    ll x = setN(5000);
    vector<pint> edges;
    for(int i=2;i<=5000;i++) edges.push_back({x%(i-1)+1,i});
    return edges;
}

Bob

#include <bits/extc++.h>
#include "Alice.h"
#include "Bob.h"
#define all(v) v.begin(), v.end()
#define zip(v) sort(all(v)), v.erase(unique(all(v)), v.end())
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pint;
typedef pair<ll, ll> pll;
using namespace __gnu_pbds;
template<class T> using PBDS = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<class T> using multiPBDS = tree<T, null_type,  less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;



ll Bob(vector<pint> edges){
    ll ans=0, lc=1;
	for(auto& [u, v]:edges) {
        //v-1로 나눈 나머지가 u-1..
        u--, v--;
        while(ans%v!=u) ans+=lc;
        lc*=v/__gcd(lc,(ll)v);
	}
	return ans; 
}

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