Submission #1655310


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define REP(i, s, n) for (int i = s; i < n; ++i)
#define rep(i, n) REP(i, 0, n)
#define SORT(c) sort((c).begin(), (c).end())
#define IINF INT_MAX
#define LLINF LLONG_MAX
#define DEBUG false
// sort(a.begin(), a.end(), std::greater<int>());

/*
std::vector<std::string> split(const std::string &input, char delimiter)
{
    std::istringstream stream(input);

    std::string field;
    std::vector<std::string> result;
    while (std::getline(stream, field, delimiter))
    {
        result.push_back(field);
    }
    return result;
}
*/

int main()
{
    int n;
    cin >> n;
    vector<pair<int, int>> a(n);
    rep(i, n)
    {
        a[i].second = i;
        cin >> a[i].first;
    }
    SORT(a);
    if (DEBUG)
        rep(i, n)
                cout
            << a[i].first << a[i].second << endl;
    int ans = 1;
    int temp = a[0].second;
    REP(i, 1, n)
    {
        if (a[i].second < temp)
        {
            ans++;
        }
        temp = a[i].second;
    }
    if (a[n - 1].second == 0 && a[n - 2].first < a[n - 1].first)
        ans--;
    cout << ans << endl;
    return 0;
}

Submission Info

Submission Time
Task B - ディスコ社内ツアー
User ToM_ynu
Language C++14 (GCC 5.4.1)
Score 10
Code Size 1200 Byte
Status WA
Exec Time 37 ms
Memory 1024 KB

Judge Result

Set Name Sample Small Permutation All
Score / Max Score 0 / 0 0 / 20 10 / 10 0 / 70
Status
AC × 4
AC × 19
WA × 7
AC × 23
AC × 31
WA × 17
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt
Small 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 30_hand_03.txt, 30_hand_04.txt, 30_hand_05.txt, 30_hand_06.txt
Permutation 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 60_perm_01.txt, 60_perm_02.txt, 60_perm_03.txt, 60_perm_04.txt, 60_perm_05.txt, 60_perm_06.txt, 60_perm_07.txt, 60_perm_08.txt, 70_hand_01.txt, 70_hand_02.txt
All 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 30_hand_03.txt, 30_hand_04.txt, 30_hand_05.txt, 30_hand_06.txt, 50_rand_01.txt, 50_rand_02.txt, 50_rand_03.txt, 50_rand_04.txt, 50_rand_05.txt, 50_rand_06.txt, 50_rand_07.txt, 50_rand_08.txt, 60_perm_01.txt, 60_perm_02.txt, 60_perm_03.txt, 60_perm_04.txt, 60_perm_05.txt, 60_perm_06.txt, 60_perm_07.txt, 60_perm_08.txt, 70_hand_01.txt, 70_hand_02.txt, 70_hand_03.txt, 70_hand_04.txt, 70_hand_05.txt, 70_hand_06.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 1 ms 256 KB
00_example_02.txt AC 1 ms 256 KB
00_example_03.txt AC 1 ms 256 KB
00_example_04.txt AC 1 ms 256 KB
10_rand_01.txt WA 1 ms 256 KB
10_rand_02.txt WA 1 ms 256 KB
10_rand_03.txt WA 1 ms 256 KB
10_rand_04.txt AC 1 ms 256 KB
10_rand_05.txt AC 1 ms 256 KB
10_rand_06.txt WA 1 ms 256 KB
10_rand_07.txt WA 1 ms 256 KB
10_rand_08.txt WA 1 ms 256 KB
20_perm_01.txt AC 1 ms 256 KB
20_perm_02.txt AC 1 ms 256 KB
20_perm_03.txt AC 1 ms 256 KB
20_perm_04.txt AC 1 ms 256 KB
20_perm_05.txt AC 1 ms 256 KB
20_perm_06.txt AC 1 ms 256 KB
20_perm_07.txt AC 1 ms 256 KB
20_perm_08.txt AC 1 ms 256 KB
30_hand_01.txt AC 1 ms 256 KB
30_hand_02.txt AC 1 ms 256 KB
30_hand_03.txt AC 1 ms 256 KB
30_hand_04.txt AC 1 ms 256 KB
30_hand_05.txt AC 1 ms 256 KB
30_hand_06.txt WA 1 ms 256 KB
50_rand_01.txt WA 12 ms 512 KB
50_rand_02.txt WA 22 ms 768 KB
50_rand_03.txt WA 22 ms 768 KB
50_rand_04.txt WA 17 ms 640 KB
50_rand_05.txt WA 8 ms 384 KB
50_rand_06.txt WA 1 ms 256 KB
50_rand_07.txt WA 4 ms 384 KB
50_rand_08.txt WA 18 ms 640 KB
60_perm_01.txt AC 13 ms 512 KB
60_perm_02.txt AC 24 ms 768 KB
60_perm_03.txt AC 25 ms 768 KB
60_perm_04.txt AC 20 ms 640 KB
60_perm_05.txt AC 8 ms 384 KB
60_perm_06.txt AC 1 ms 256 KB
60_perm_07.txt AC 4 ms 384 KB
60_perm_08.txt AC 20 ms 640 KB
70_hand_01.txt AC 31 ms 1024 KB
70_hand_02.txt AC 30 ms 1024 KB
70_hand_03.txt AC 26 ms 1024 KB
70_hand_04.txt AC 25 ms 1024 KB
70_hand_05.txt WA 37 ms 1024 KB
70_hand_06.txt WA 31 ms 1024 KB