Submission #2772303


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#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <queue>
#include <map>
#include <random>
#include <cstdio>
#include <cstring>
#include <cmath>

// for i in f..<t {... : as Swift
#define forin(i, f, t) for(auto i = f; i < t; i++)

using namespace std;
using ll = long long;

int main() {
    ll n;
    cin >> n;
    vector<ll> a(n);
    for (auto i = 0; i < n; i++) {
        cin >> a[i];
        a[i] -= i;
    }
    
    map<ll, ll> sames;
    for (auto i = 0; i < a.size(); i++) {
        auto target = sames.find(a[i]);
        if (target == sames.end()) {
            sames[a[i]] = 0;
        } else {
            sames[a[i]]++;
        }
    }
    
    ll sh = 0;
    ll maxSames = 0;
    for (auto s : sames) {
        if (s.second > maxSames) {
            maxSames = s.second;
            sh = s.first;
        }
    }
    ll sum = 0;
    for (auto j = 0; j < n; j++) {
        sum += abs(a[j] - sh);
    }
    cout << sum << endl;
    
    
}

Submission Info

Submission Time
Task C - Linear Approximation
User MatsuTaku
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1045 Byte
Status WA
Exec Time 228 ms
Memory 14336 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
AC × 4
AC × 10
WA × 9
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
sample_04.txt AC 1 ms 256 KB
subtask_1_01.txt WA 1 ms 256 KB
subtask_1_02.txt WA 29 ms 2816 KB
subtask_1_03.txt WA 27 ms 2560 KB
subtask_1_04.txt WA 99 ms 7296 KB
subtask_1_05.txt WA 193 ms 12416 KB
subtask_1_06.txt AC 78 ms 1792 KB
subtask_1_07.txt WA 180 ms 14336 KB
subtask_1_08.txt WA 227 ms 14336 KB
subtask_1_09.txt WA 228 ms 14336 KB
subtask_1_10.txt WA 226 ms 14336 KB
subtask_1_11.txt AC 80 ms 1792 KB