Submission #1075028
Source Code Expand
#include <bits/stdc++.h> #define MOD 1000000007 using namespace std; typedef long long LL; int main(){ int n, m, k; cin >> n >> m >> k; int c = (n+m-1)/(k-1); LL dp[c+1][m+1]; for(int i = 0; i <= c; i++){ for(int j = 0; j <= m; j++){ dp[i][j] = 0; } } dp[0][0] = 1; for(int i = 1; i <= c; i++){ for(int j = 0; j <= m; j++){ for(int l = 0; l < k && j+l <= m; l++){ dp[i][j+l] = (dp[i][j+l] + dp[i-1][j]) % MOD; } } } LL ans = 0; while(m > 0){ int cc = (n+m-1)/(k-1); ans += dp[cc][m]; ans %= MOD; m -= (k-1); } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | E - Eternal Average |
User | ksun48 |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 608 Byte |
Status | AC |
Exec Time | 109 ms |
Memory | 62720 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1600 / 1600 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 3 ms | 256 KB |
02.txt | AC | 109 ms | 62720 KB |
03.txt | AC | 3 ms | 256 KB |
04.txt | AC | 3 ms | 256 KB |
05.txt | AC | 66 ms | 31488 KB |
06.txt | AC | 27 ms | 10624 KB |
07.txt | AC | 3 ms | 256 KB |
08.txt | AC | 4 ms | 640 KB |
09.txt | AC | 23 ms | 2304 KB |
10.txt | AC | 23 ms | 1664 KB |
11.txt | AC | 14 ms | 256 KB |
12.txt | AC | 12 ms | 256 KB |
13.txt | AC | 20 ms | 768 KB |
14.txt | AC | 10 ms | 384 KB |
15.txt | AC | 19 ms | 896 KB |
16.txt | AC | 3 ms | 256 KB |
17.txt | AC | 12 ms | 256 KB |
18.txt | AC | 15 ms | 1536 KB |
19.txt | AC | 6 ms | 1920 KB |
20.txt | AC | 26 ms | 8064 KB |
21.txt | AC | 3 ms | 256 KB |
22.txt | AC | 31 ms | 8064 KB |
23.txt | AC | 18 ms | 1280 KB |
24.txt | AC | 17 ms | 1024 KB |
s1.txt | AC | 3 ms | 256 KB |
s2.txt | AC | 3 ms | 256 KB |
s3.txt | AC | 3 ms | 256 KB |