Submission #1798883


Source Code Expand

#include <iostream>
#include <array>

using namespace std;

int main()
{
    size_t n;
    cin >> n;
    array<int, 4> a = { 0, 0, 0, 1 };
    if (n < 3) {
        cout << 0 << endl;
    } else {
        for (auto i = 4u; i <= n; ++i) {
            int a1 = a[1];
            int a2 = a[2];
            int a3 = a[3];
            a[3] = (a1 + a2 + a3) % 10007;
            a[2] = a3;
            a[1] = a2;
            a[0] = a1;
        }
        cout << a[3] << endl;
    }

    return 0;
}

Submission Info

Submission Time
Task B - トリボナッチ数列
User atctk
Language C++14 (GCC 5.4.1)
Score 100
Code Size 520 Byte
Status AC
Exec Time 5 ms
Memory 256 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 36
Set Name Test Cases
All sample_01.txt, sample_02.txt, sample_03.txt, test_1.txt, test_1000000.txt, test_1002.txt, test_104.txt, test_107843.txt, test_10980.txt, test_1212.txt, test_1238.txt, test_13194.txt, test_14.txt, test_16.txt, test_2.txt, test_210782.txt, test_21694.txt, test_243.txt, test_24916.txt, test_278.txt, test_3.txt, test_31.txt, test_32.txt, test_42.txt, test_5555.txt, test_567914.txt, test_61868.txt, test_765671.txt, test_8195.txt, test_8353.txt, test_9.txt, test_9625.txt, test_97.txt, test_998.txt, test_999998.txt, test_999999.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 2 ms 256 KB
test_1.txt AC 1 ms 256 KB
test_1000000.txt AC 5 ms 256 KB
test_1002.txt AC 1 ms 256 KB
test_104.txt AC 1 ms 256 KB
test_107843.txt AC 2 ms 256 KB
test_10980.txt AC 1 ms 256 KB
test_1212.txt AC 1 ms 256 KB
test_1238.txt AC 1 ms 256 KB
test_13194.txt AC 1 ms 256 KB
test_14.txt AC 1 ms 256 KB
test_16.txt AC 1 ms 256 KB
test_2.txt AC 1 ms 256 KB
test_210782.txt AC 2 ms 256 KB
test_21694.txt AC 1 ms 256 KB
test_243.txt AC 1 ms 256 KB
test_24916.txt AC 1 ms 256 KB
test_278.txt AC 1 ms 256 KB
test_3.txt AC 1 ms 256 KB
test_31.txt AC 1 ms 256 KB
test_32.txt AC 1 ms 256 KB
test_42.txt AC 1 ms 256 KB
test_5555.txt AC 1 ms 256 KB
test_567914.txt AC 4 ms 256 KB
test_61868.txt AC 1 ms 256 KB
test_765671.txt AC 4 ms 256 KB
test_8195.txt AC 1 ms 256 KB
test_8353.txt AC 1 ms 256 KB
test_9.txt AC 1 ms 256 KB
test_9625.txt AC 1 ms 256 KB
test_97.txt AC 1 ms 256 KB
test_998.txt AC 1 ms 256 KB
test_999998.txt AC 5 ms 256 KB
test_999999.txt AC 5 ms 256 KB