Submission #1075774
Source Code Expand
#include<bits/stdc++.h> #define Q 1000000007 #define N 2010 using namespace std; int dp[N+N][N],k; bool chk[N+N][N]; int solve(int lv,int num){ if(lv==0) return num?0:1; if(chk[lv][num]) return dp[lv][num]; chk[lv][num]=true; for(int i=0;i<=num&&i<k;i++){ dp[lv][num]+=solve(lv-1,num-i); if(dp[lv][num]>=Q) dp[lv][num]-=Q; } return dp[lv][num]; } int main(){ int n,m,ans=0; scanf("%d%d%d",&n,&m,&k); int lv=(n+m-1)/(k-1); for(int i=0;m-i*(k-1)>0;i++){ ans=(ans+solve(lv-i,m-i*(k-1)))%Q; } printf("%d\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Eternal Average |
User | aaaaajack |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 564 Byte |
Status | AC |
Exec Time | 243 ms |
Memory | 37888 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:19:26: 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 | 243 ms | 37888 KB |
03.txt | AC | 3 ms | 256 KB |
04.txt | AC | 3 ms | 256 KB |
05.txt | AC | 133 ms | 19072 KB |
06.txt | AC | 28 ms | 6144 KB |
07.txt | AC | 8 ms | 3200 KB |
08.txt | AC | 5 ms | 768 KB |
09.txt | AC | 39 ms | 1408 KB |
10.txt | AC | 37 ms | 1024 KB |
11.txt | AC | 15 ms | 256 KB |
12.txt | AC | 10 ms | 256 KB |
13.txt | AC | 30 ms | 640 KB |
14.txt | AC | 13 ms | 384 KB |
15.txt | AC | 28 ms | 640 KB |
16.txt | AC | 3 ms | 256 KB |
17.txt | AC | 14 ms | 256 KB |
18.txt | AC | 18 ms | 1024 KB |
19.txt | AC | 31 ms | 13696 KB |
20.txt | AC | 49 ms | 5760 KB |
21.txt | AC | 3 ms | 256 KB |
22.txt | AC | 56 ms | 4992 KB |
23.txt | AC | 29 ms | 896 KB |
24.txt | AC | 27 ms | 896 KB |
s1.txt | AC | 3 ms | 256 KB |
s2.txt | AC | 3 ms | 256 KB |
s3.txt | AC | 3 ms | 384 KB |