50 lines
834 B
C++
50 lines
834 B
C++
#include<iostream>
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#include<cmath>
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using namespace std;
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int x[21];
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void make()
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{
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int i,j;
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double k=log(4.0);
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for(i=196;i<=216;++i)
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{
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k*=2;
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double f=0;
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for(j=1;f<k;++j)
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f+=log((double)j);
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x[i-196]=j-2;
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}
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}
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int main()
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{
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make();
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int year;
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while(cin>>year&&year)
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cout<<x[(year-1960)/10]<<endl;
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return 0;
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}#include<iostream>
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#include<cmath>
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using namespace std;
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int x[21];
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void make()
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{
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int i,j;
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double k=log(4.0);
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for(i=196;i<=216;++i)
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{
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k*=2;
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double f=0;
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for(j=1;f<k;++j)
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f+=log((double)j);
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x[i-196]=j-2;
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}
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}
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int main()
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{
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make();
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int year;
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while(cin>>year&&year)
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cout<<x[(year-1960)/10]<<endl;
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return 0;
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}
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