Submission #33540

#	Time	Username	Problem	Language	Result	Execution time	Memory
33540		top34051	고대 책들 (IOI17_books)	C++14	0 / 100	0 ms	9828 KiB

books

#include "books.h"
#include<bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define X first
#define Y second
const int maxn = 1000005;

int n;
long long sum[maxn];

long long minimum_walk(vector<int> pos, int s) {
    int i;
    long long ans = 0;
    n = pos.size();
    for(i=0;i<n;i++) sum[min(i,pos[i])]++, sum[max(i,pos[i])]--;
    for(i=0;i<n-1;i++) {
        sum[i] += sum[i-1];
        ans += sum[i];
    }
    return ans;
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 10
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30