Submission #1131281


Source Code Expand

#include <iostream>
#include <vector>
#include <cmath>
#include <map>
#include <set>
#include <string>
#include <algorithm>

#define mp make_pair
#define pb push_back

using namespace std;

typedef pair<int, int> pii;

const int MAXN = 2e5;

const int Q = 1e9 + 7;

int main() {

    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++)
        cin >> a[i];

    long long cur = 1;
    long long res = 1;
    for (int i = 1; i < n; i++) {
        if (cur * 2 - 1 <= a[i - 1] || a[i] <= 2);
        else (cur--);
        cur++;
        res = (res * cur) % Q;
    }
    cout << res;

    return 0;
}

Submission Info

Submission Time
Task A - Robot Racing
User Saimon_Saret
Language C++14 (GCC 5.4.1)
Score 900
Code Size 657 Byte
Status AC
Exec Time 41 ms
Memory 764 KB

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 500 / 500 400 / 400
Status
AC × 4
AC × 14
AC × 28
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
Subtask 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt
Case Name Status Exec Time Memory
0_00.txt AC 9 ms 764 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 1 ms 256 KB
1_03.txt AC 1 ms 256 KB
1_04.txt AC 1 ms 256 KB
1_05.txt AC 1 ms 256 KB
1_06.txt AC 1 ms 256 KB
1_07.txt AC 1 ms 256 KB
1_08.txt AC 1 ms 256 KB
1_09.txt AC 1 ms 256 KB
1_10.txt AC 1 ms 256 KB
2_00.txt AC 29 ms 640 KB
2_01.txt AC 31 ms 640 KB
2_02.txt AC 41 ms 640 KB
2_03.txt AC 30 ms 640 KB
2_04.txt AC 30 ms 640 KB
2_05.txt AC 31 ms 640 KB
2_06.txt AC 30 ms 640 KB
2_07.txt AC 31 ms 640 KB
2_08.txt AC 30 ms 640 KB
2_09.txt AC 30 ms 640 KB
2_10.txt AC 30 ms 640 KB
2_11.txt AC 40 ms 640 KB
2_12.txt AC 40 ms 640 KB