Submission #642848

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
642848	2022-09-20 15:46:13	qwerasdfzxcl	Broken Device 2 (JOI22_device2)	C++17	100 / 100	106 ms	3488 KiB

Anna

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#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
namespace {
    ll dp[202], S[202], M;
    vector<int> V0[202][4];
    bool first = 1;
vector<int> encode(ll x){ ///reverse order
    vector<int> ret;
    for (int z=3;z<=M;z++){
        if (x >= dp[z]) {x -= dp[z]; continue;}
        if (x <= 1){
            for (int i=z-3;i>=0;i--) ret.push_back(x^1);
            ret.push_back(x);
            ret.push_back(x);
            return ret;
        }
        else if (x <= 3){
            x -= 2;
            for (int i=z-3;i>=0;i--) ret.push_back(x^1^(i&1));
            ret.push_back(x);
            ret.push_back(x);
            return ret;
        }
 
 
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Bruno

 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 3 / 3
• Subtask 4: 12 / 12
• Subtask 5: 15 / 15
• Subtask 6: 60 / 60