Submission #1075080
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int md = 1000000007; inline void add(int &a, int b) { a += b; if (a >= md) { a -= md; } } const int N = 4444; int f[N][N]; int main() { int n, m, k; scanf("%d %d %d", &n, &m, &k); int max_p = (n + m - 1) / (k - 1); f[0][0] = 1; for (int i = 0; i < max_p; i++) { for (int j = 0; j <= n; j++) { for (int t = 0; j + t <= n && t < k; t++) { add(f[i + 1][j + t], f[i][j]); } } } int ans = 0; for (int cnt = 0; cnt < max_p; cnt++) { for (int j = 0; j <= n; j++) { int ways = f[cnt][j]; int total = cnt * (k - 1); int t = total - j; if (j < n && t < m) { add(ans, ways); } } } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Eternal Average |
User | tourist |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 810 Byte |
Status | AC |
Exec Time | 154 ms |
Memory | 47488 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:20:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &n, &m, &k); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1600 / 1600 | ||||
Status |
|
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Set Name | Test Cases |
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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 | 154 ms | 47488 KB |
03.txt | AC | 3 ms | 256 KB |
04.txt | AC | 3 ms | 256 KB |
05.txt | AC | 90 ms | 23808 KB |
06.txt | AC | 8 ms | 2944 KB |
07.txt | AC | 29 ms | 6144 KB |
08.txt | AC | 4 ms | 512 KB |
09.txt | AC | 35 ms | 1792 KB |
10.txt | AC | 33 ms | 1280 KB |
11.txt | AC | 10 ms | 256 KB |
12.txt | AC | 8 ms | 256 KB |
13.txt | AC | 24 ms | 640 KB |
14.txt | AC | 13 ms | 384 KB |
15.txt | AC | 22 ms | 640 KB |
16.txt | AC | 4 ms | 256 KB |
17.txt | AC | 12 ms | 256 KB |
18.txt | AC | 8 ms | 640 KB |
19.txt | AC | 79 ms | 25088 KB |
20.txt | AC | 44 ms | 7040 KB |
21.txt | AC | 3 ms | 256 KB |
22.txt | AC | 49 ms | 6144 KB |
23.txt | AC | 26 ms | 1024 KB |
24.txt | AC | 23 ms | 896 KB |
s1.txt | AC | 3 ms | 256 KB |
s2.txt | AC | 3 ms | 256 KB |
s3.txt | AC | 3 ms | 384 KB |