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https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
20 lines
324 B
C++
20 lines
324 B
C++
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#include<stdio.h>
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int main()
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{
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int n;
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_int64 a[35],b[35];
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int i;
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a[0]=1;
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b[0]=0;
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for(i=1;i<34;i++)
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{
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a[i]=3*a[i-1]+2*b[i-1];
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b[i]=b[i-1]+a[i-1];
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}
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while(scanf("%d",&n)!=EOF&&n!=-1)
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{
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printf("%I64d, %I64d\n",a[n],b[n]);
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}
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return 0;
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}
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