Submission #292782

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
292782	2020-09-07 13:24:46	shayan_p	Ancient Books (IOI17_books)	C++17	22 / 100	2070 ms	12024 KiB

books

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// Oh damn! Suddenly you're free to fly...
#include<bits/stdc++.h>
#include "books.h"
#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 1e6 + 10, mod = 1e9 + 7, inf = 1e9 + 10;
int cnt[maxn];
ll minimum_walk(vector<int> p, int s){
    int n = sz(p);
    assert(s == 0);
    memset(cnt, 0, sizeof cnt);
    ll ans = 0;
    while(n > 1 && p[n-1] == n-1)
  n--, p.pop_back();
    for(int i = 0; i < n; i++){
  int l = i, r = p[i];
  if(l > r)
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30