Submission #3449803


Source Code Expand

W, H = map(int, input().split())

mod = 10 ** 9 + 7

def fact(n):
    mod = 10 ** 9 + 7
    ans = 1
    for i in range(1, n+1):
        ans = ans * i % mod
    return ans

print(fact(W + H -2) * pow(fact(W-1), mod-2, mod) * pow(fact(H-1), mod-2, mod) % mod)

Submission Info

Submission Time
Task C - 経路
User ryosuke07117
Language Python (3.4.3)
Score 101
Code Size 268 Byte
Status AC
Exec Time 63 ms
Memory 3060 KB

Judge Result

Set Name Sample Dataset1 Dataset2 All
Score / Max Score 0 / 0 50 / 50 50 / 50 1 / 1
Status
AC × 2
AC × 12
AC × 24
AC × 35
Set Name Test Cases
Sample s0.txt, s1.txt
Dataset1 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, s0.txt
Dataset2 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, s0.txt, s1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, s0.txt, s1.txt
Case Name Status Exec Time Memory
000.txt AC 17 ms 2940 KB
001.txt AC 17 ms 2940 KB
002.txt AC 17 ms 2940 KB
003.txt AC 17 ms 3060 KB
004.txt AC 17 ms 2940 KB
005.txt AC 17 ms 2940 KB
006.txt AC 16 ms 2940 KB
007.txt AC 17 ms 2940 KB
008.txt AC 17 ms 3060 KB
009.txt AC 16 ms 2940 KB
010.txt AC 17 ms 2940 KB
011.txt AC 17 ms 2940 KB
012.txt AC 17 ms 3060 KB
013.txt AC 17 ms 2940 KB
014.txt AC 17 ms 2940 KB
015.txt AC 17 ms 3060 KB
016.txt AC 17 ms 3060 KB
017.txt AC 17 ms 3060 KB
018.txt AC 17 ms 2940 KB
019.txt AC 17 ms 3060 KB
020.txt AC 17 ms 3060 KB
021.txt AC 18 ms 3060 KB
022.txt AC 55 ms 3060 KB
023.txt AC 51 ms 2940 KB
024.txt AC 47 ms 2940 KB
025.txt AC 27 ms 3060 KB
026.txt AC 25 ms 2940 KB
027.txt AC 46 ms 2940 KB
028.txt AC 51 ms 2940 KB
029.txt AC 36 ms 2940 KB
030.txt AC 50 ms 2940 KB
031.txt AC 42 ms 3060 KB
032.txt AC 63 ms 2940 KB
s0.txt AC 17 ms 2940 KB
s1.txt AC 17 ms 3060 KB