Submission #1383458
Source Code Expand
#include <stdio.h> #define int long long #define p (int)(1e9 + 7) int MOD(int a){ return a % p; } int power(int a, int n){ if(n == 0){ return 1; } else if(n % 2 == 0){ return power(MOD(a * a), n / 2); } else{ return MOD(a * power(a, n - 1)); } } int inverse(int a){ return power(a, p - 2); } signed main(){ int W, H, ans = 1, n, k; scanf("%lld%lld", &W, &H); W--; H--; for(n = H + 1, k = 1; k <= W; n++, k++){ ans = MOD(MOD(ans * n) * inverse(k)); } printf("%lld\n", ans); return 0; }
Submission Info
Submission Time | |
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Task | C - 経路 |
User | abc050 |
Language | C (GCC 5.4.1) |
Score | 101 |
Code Size | 548 Byte |
Status | AC |
Exec Time | 20 ms |
Memory | 128 KB |
Compile Error
./Main.c: In function ‘main’: ./Main.c:28:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &W, &H); ^
Judge Result
Set Name | Sample | Dataset1 | Dataset2 | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 50 / 50 | 1 / 1 | ||||||||
Status |
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Set Name | Test Cases |
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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 | 1 ms | 128 KB |
001.txt | AC | 1 ms | 128 KB |
002.txt | AC | 1 ms | 128 KB |
003.txt | AC | 1 ms | 128 KB |
004.txt | AC | 1 ms | 128 KB |
005.txt | AC | 1 ms | 128 KB |
006.txt | AC | 0 ms | 128 KB |
007.txt | AC | 1 ms | 128 KB |
008.txt | AC | 1 ms | 128 KB |
009.txt | AC | 1 ms | 128 KB |
010.txt | AC | 1 ms | 128 KB |
011.txt | AC | 1 ms | 128 KB |
012.txt | AC | 1 ms | 128 KB |
013.txt | AC | 1 ms | 128 KB |
014.txt | AC | 1 ms | 128 KB |
015.txt | AC | 1 ms | 128 KB |
016.txt | AC | 1 ms | 128 KB |
017.txt | AC | 1 ms | 128 KB |
018.txt | AC | 1 ms | 128 KB |
019.txt | AC | 1 ms | 128 KB |
020.txt | AC | 1 ms | 128 KB |
021.txt | AC | 1 ms | 128 KB |
022.txt | AC | 15 ms | 128 KB |
023.txt | AC | 18 ms | 128 KB |
024.txt | AC | 17 ms | 128 KB |
025.txt | AC | 1 ms | 128 KB |
026.txt | AC | 3 ms | 128 KB |
027.txt | AC | 16 ms | 128 KB |
028.txt | AC | 13 ms | 128 KB |
029.txt | AC | 12 ms | 128 KB |
030.txt | AC | 11 ms | 128 KB |
031.txt | AC | 16 ms | 128 KB |
032.txt | AC | 20 ms | 128 KB |
s0.txt | AC | 1 ms | 128 KB |
s1.txt | AC | 1 ms | 128 KB |