- 龙凤苑中学A班5.29
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lfy55 LV 2 @ 2024-5-29 17:43:14
#include using namespace std; int main(){ double a,b=2,c; cin>>a; for(c=1;c>=0;c++){ a-=b; b*=0.98; if(a<=0) break; } cout<<c; return 0; }
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