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25 lines
508 B
C++
25 lines
508 B
C++
#include <cstdio>
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using namespace std;
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int main()
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{
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int n;
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int ans;
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while(scanf("%d",&n)==1&&n!=0)
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{
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switch(n)
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{
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case 1:ans=1;break;
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case 2:case 3:ans=0;break;
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case 4:ans=2;break;
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case 5:ans=10;break;
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case 6:ans=4;break;
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case 7:ans=40;break;
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case 8:ans=92;break;
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case 9:ans=352;break;
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case 10:ans=724;break;
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}
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printf("%d\n",ans);
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}
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return 0;
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}
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