hdu_1170_Balloon Comes!_水之
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水..
http://acm.hdu.edu.cn/showproblem.php?pid=1170
Balloon Comes!
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11465 Accepted Submission(s): 3998
Problem Description
The contest starts now! How excited it is to see balloons floating around. You, one of the best programmers in HDU, can get a very beautiful balloon if only you have solved the very very very... easy problem.
Give you an operator (+,-,*, / --denoting addition, subtraction, multiplication, division respectively) and two positive integers, your task is to output the result.
Is it very easy?
Come on, guy! PLMM will send you a beautiful Balloon right now!
Good Luck!
Give you an operator (+,-,*, / --denoting addition, subtraction, multiplication, division respectively) and two positive integers, your task is to output the result.
Is it very easy?
Come on, guy! PLMM will send you a beautiful Balloon right now!
Good Luck!
Input
Input contains multiple test cases. The first line of the input is a single integer T (0<T<1000) which is the number of test cases. T test cases follow. Each test case contains a char C (+,-,*, /) and two integers A and B(0<A,B<10000).Of course, we all know that A and B are operands and C is an operator.
Output
For each case, print the operation result. The result should be rounded to 2 decimal places If and only if it is not an integer.
Sample Input
4+ 1 2- 1 2* 1 2/ 1 2
Sample Output
3-120.50
- #include<iostream>
- #include<stdio.h>
- using namespace std;
- int main()
- {
- double wa;
- int t,a,b;
- char c;
- cin>>t;
- while(t--)
- {
- cin>>c>>a>>b;
- if(c=='+')
- cout<<a+b<<endl;
- else if(c=='-')
- cout<<a-b<<endl;
- else if(c=='*')
- cout<<a*b<<endl;
- else if(c=='/')
- {
- wa=(double)a/b;
- if((wa-(int)wa)==0)
- cout<<a/b<<endl;
- else
- printf("%.2f\n",wa);
- }
- }
- return 0;
- }
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