17 lines
284 B
C++
17 lines
284 B
C++
// luogu-judger-enable-o2
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#include<cstdio>
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const int mod=100003;
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int f[100007],n,k;
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int main()
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{
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scanf("%d%d",&n,&k);
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f[0]=1;
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for(int i=1;i<=n;i++)
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{
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for(int j=1;j<=k&&j<=i;j++) f[i]+=f[i-j];
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f[i]=f[i]%mod;
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}
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printf("%d",f[n]);
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return 0;
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}
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