16 lines
212 B
C++
16 lines
212 B
C++
#include<cstdio>
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int main()
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{
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int cnt=0;
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double step=2.0,in;
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scanf("%lf",&in);
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while(in>0)
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{
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cnt++;
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in-=step;
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step*=0.98;
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}
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printf("%d\n",cnt);
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return 0;
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}
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