Submission #364741

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
364741	2021-02-09 21:00:44	rqi	Ancient Books (IOI17_books)	C++14	100 / 100	276 ms	26908 KiB

books

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#include "books.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef long long ll;
#define sz(x) (int)(x).size()
#define pb push_back
#define bk back()
const int MOD = 1e9+7;
const int mx = 1000005;
vi p;
int s;
int cycL[mx]; //leftmost of a cycle
int cycR[mx]; //rightmost of a cycle
void popLRSingles(){
  int L = 0;
  for(int i = 0; i < s; i++){
    if(p[i] == i){
      L = i+1;
    }
    else{
      break;
    }
  }
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 30 / 30