제출 #86385

#제출 시각아이디문제언어결과실행 시간메모리
86385chunghan전봇대 (KOI13_pole)C++17
0 / 100
15 ms1236 KiB
#include<bits/stdc++.h>

using namespace std;

typedef long long int lld;

int N;
lld B, C, D, L[100005];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    cin >> N;
    for (int i = 0; i < N; i++)
        cin >> L[i];
    lld D = L[N-1]/(N-1);
    for (int i = 0; i < N; i++) {
        C += abs(L[i] - D*i);
    }
    D++;
    for (int i = 0; i < N; i++) {
        B += abs(L[i] - D*i);
    }
    cout << min(B, C);
    return 0;
}
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