Submission #821206

#	Time	Username	Problem	Language	Result	Execution time	Memory
821206		vjudge1	Ancient Books (IOI17_books)	C++17	12 / 100	1 ms	212 KiB

books

#include "books.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

long long minimum_walk(vector<int> p, int s) {
	ll ans = 0, t = 0;
    int pos = p.size() - 1;
    for(; pos && p[pos] == pos; -- pos);
    if(max(p[1], p[0]) == 3 && min(p[1], p[0]) == 2) {
        pos = 4;
    }
    return pos * 2;
}

Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:9:5: warning: unused variable 'ans' [-Wunused-variable]
    9 |  ll ans = 0, t = 0;
      |     ^~~
books.cpp:9:14: warning: unused variable 't' [-Wunused-variable]
    9 |  ll ans = 0, t = 0;
      |              ^

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