HDOJ 1170 Balloon Comes!(c++)
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这个题目其实很简单,我在想用c既然没难度,那就用刚学了的c++啊,顺便熟悉一下格式控制,真熟悉了,看了书才想起怎么用的,所以我认识到了一点,学了的东西一定要练习或复习!
代码如下:
#include<iostream>#include<iomanip>using namespace std;int main(){ int t,one,two; char mark; cin>>t; while(t--) { cin>>mark>>one>>two; switch(mark) { case '+': cout<<one+two<<endl;; break; case '-': cout<<one-two<<endl;; break; case '*': cout<<one*two<<endl;; break; case '/': if(one/two!=(double)one/two) cout<<fixed<<setprecision(2)<<(double)one/two<<endl; else cout<<one/two<<endl; // } }}
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