杭电1049题解

#include<iostream>using namespace std;int main(){int height,v,rest;while(1){cin>>height>>v>>rest;if(height==0)      break;    if(height<=v)  cout<<1<<endl;else{int sum=1;while(sum*(v-rest)<height-v)   sum++;cout<<sum*2+1<<endl; }  } }

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