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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
26 lines
565 B
C++
26 lines
565 B
C++
#include<iostream>
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#include<string.h>
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using namespace std;
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int dp[1001][3];
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int main()
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{
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int i,j,k,n;
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memset(dp,0,sizeof(dp));
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dp[1][0]=0;dp[1][1]=1;dp[1][2]=1;
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for(i=2;i<=1000;i++)
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{
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dp[i][0]+=dp[i-1][1]+dp[i-1][2];
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dp[i][0]=dp[i][0]%10000;
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dp[i][1]+=dp[i-1][0]+dp[i-1][2];
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dp[i][1]=dp[i][1]%10000;
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dp[i][2]+=dp[i-1][0]+dp[i-1][1];
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dp[i][2]=dp[i][2]%10000;
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}
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while(scanf("%d",&n))
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{
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if(n==0) break;
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cout<<dp[n][0]<<endl;
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}
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return 0;
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}
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