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14 lines
177 B
C++
14 lines
177 B
C++
#include <iostream>
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using namespace std;
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int main(){
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double a,b=2.0,sum=0,c=0;
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scanf("%lf",&a);
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while(sum<a){
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sum+=b;
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b*=0.98;
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c++;
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}
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printf("%.0lf",c);
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return 0;
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}
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