13 lines
205 B
C++
13 lines
205 B
C++
#include<cstdio>
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#include<cmath>
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int n,kase;
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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while(scanf("%d",&n)==1&&n>0)
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printf("Case %d: %d\n",++kase,(int)ceil(log2(n)));
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return 0;
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}
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