Codeforces Round #421 (Div. 2) | A. Mister B and Book Reading
2017-06-28 08:16
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题意
Mister B有一本c页的书,Mister B读书按照第一天v0页,第二天v0+a页,第三天v0+2a页,…,但是Mister B每天读书的页数不能超过v1页,而且每一天读书,Mister B都要向前翻l页再开始读,Mister B按照这种读书习惯要读几天才能读完这本书?(1 ≤ c ≤ 1000, 0 ≤ l < v0 ≤ v1 ≤ 1000, 0 ≤ a ≤ 1000)
解题思路
直接模拟参考代码
#include <bits/stdc++.h> using namespace std; int main(){ int c,v0,v1,a,l; cin>>c>>v0>>v1>>a>>l; int k=0,cnt=0; while (cnt<c){ if (k) cnt-=l; int tmp=v0+a*k; if (tmp>v1) tmp=v1; cnt+=tmp; k++; } cout<<k<<endl; return 0; }
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