AtCoder Beginner Contest 006

Submission #1675772

Source codeソースコード

#include <bits/stdc++.h>
using namespace std;

int memo[1000010];

int trib(int n){
  if (n <= 2) return 0;
  if (n == 3) return 1;
  if (memo[n] != 0) return memo[n];
  return memo[n] = trib(n - 1)%10007 + trib(n - 2)%10007 + trib(n - 3)%10007;
}

int main(){
  int n;
  cin >> n;
  cout << trib(n) % 10007 << endl;
  return 0;
}

Submission

Task問題 B - トリボナッチ数列
User nameユーザ名 aximov
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 347 Byte
File nameファイル名
Exec time実行時間 44 ms
Memory usageメモリ使用量 35456 KB

Test case

Set

Set name Score得点 / Max score Cases
All 100 / 100 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 6 ms 3712 KB
test_1.txt AC 1 ms 256 KB
test_1000000.txt AC 43 ms 35456 KB
test_1002.txt AC 1 ms 256 KB
test_104.txt AC 1 ms 256 KB
test_107843.txt AC 6 ms 4096 KB
test_10980.txt AC 2 ms 640 KB
test_1212.txt AC 1 ms 256 KB
test_1238.txt AC 1 ms 256 KB
test_13194.txt AC 2 ms 768 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 10 ms 7680 KB
test_21694.txt AC 2 ms 1024 KB
test_243.txt AC 1 ms 256 KB
test_24916.txt AC 2 ms 1152 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 2 ms 384 KB
test_567914.txt AC 25 ms 20224 KB
test_61868.txt AC 4 ms 2432 KB
test_765671.txt AC 34 ms 27136 KB
test_8195.txt AC 2 ms 512 KB
test_8353.txt AC 2 ms 512 KB
test_9.txt AC 1 ms 256 KB
test_9625.txt AC 2 ms 640 KB
test_97.txt AC 1 ms 256 KB
test_998.txt AC 1 ms 256 KB
test_999998.txt AC 44 ms 35456 KB
test_999999.txt AC 44 ms 35328 KB