Submission #1368366
Source Code Expand
#include <iostream> using namespace std; using i64 = int64_t; i64 powmod(i64 a, int n, i64 m){ i64 r = 1; while(n){ if(n & 1) (r *= a) %= m; (a *= a) %= m; n >>= 1; } return r; } int main(){ i64 h, w, m = 1e9 + 7; cin >> h >> w; i64 answer = 1; for(i64 i = 1; i <= h + w - 2; i++) (answer *= i) %= m; for(i64 i = 1; i <= h - 1; i++) (answer *= powmod(i, 1e9 + 7 - 2, 1e9 + 7)) %= m; for(i64 i = 1; i <= w - 1; i++) (answer *= powmod(i, 1e9 + 7 - 2, 1e9 + 7)) %= m; cout << answer << endl; }
Submission Info
Submission Time | |
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Task | C - 経路 |
User | jbyxm |
Language | C++14 (GCC 5.4.1) |
Score | 101 |
Code Size | 533 Byte |
Status | AC |
Exec Time | 32 ms |
Memory | 256 KB |
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 | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 1 ms | 256 KB |
003.txt | AC | 1 ms | 256 KB |
004.txt | AC | 1 ms | 256 KB |
005.txt | AC | 1 ms | 256 KB |
006.txt | AC | 1 ms | 256 KB |
007.txt | AC | 1 ms | 256 KB |
008.txt | AC | 1 ms | 256 KB |
009.txt | AC | 1 ms | 256 KB |
010.txt | AC | 1 ms | 256 KB |
011.txt | AC | 1 ms | 256 KB |
012.txt | AC | 1 ms | 256 KB |
013.txt | AC | 1 ms | 256 KB |
014.txt | AC | 1 ms | 256 KB |
015.txt | AC | 1 ms | 256 KB |
016.txt | AC | 1 ms | 256 KB |
017.txt | AC | 1 ms | 256 KB |
018.txt | AC | 1 ms | 256 KB |
019.txt | AC | 1 ms | 256 KB |
020.txt | AC | 1 ms | 256 KB |
021.txt | AC | 1 ms | 256 KB |
022.txt | AC | 27 ms | 256 KB |
023.txt | AC | 24 ms | 256 KB |
024.txt | AC | 22 ms | 256 KB |
025.txt | AC | 8 ms | 256 KB |
026.txt | AC | 7 ms | 256 KB |
027.txt | AC | 21 ms | 256 KB |
028.txt | AC | 25 ms | 256 KB |
029.txt | AC | 14 ms | 256 KB |
030.txt | AC | 24 ms | 256 KB |
031.txt | AC | 19 ms | 256 KB |
032.txt | AC | 32 ms | 256 KB |
s0.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |