제출 #124689

#제출 시각아이디문제언어결과실행 시간메모리
124689Sorting고대 책들 (IOI17_books)C++14
0 / 100
2 ms380 KiB
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 7; bool used[N]; long long minimum_walk(vector<int> p, int s){ int n = (int)p.size(); for(int i = 0; i < n; i++){ used[i] = false; } int curr = 0, cnt = n; long long ans = 0; while(cnt){ if(p[curr] == curr || used[curr]){ curr++; ans += 1; continue; } used[p[curr]] = true; cnt--; if(!cnt){ ans += p[curr]; } ans += abs(p[curr] - curr); curr = p[curr]; } return ans; }
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