#include<iostream> #include<cstdio> //scanf()\printf() #include<cstring> #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int i=100000,sum=0; for(;i>5000;){ if(i>50000) i-=i*0.05; else i-5000; sum++; } cout<<sum; return 0; }