HDU 1170 Balloon Comes!
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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): 12972 Accepted Submission(s):4599
Problem Description
The contest starts now! How excited itis to see balloons floating around. You, one of the bestprogrammers in HDU, can get a very beautiful balloon if only youhave 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 rightnow!
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 rightnow!
Good Luck!
Input
Input contains multiple test cases. Thefirst line of the input is a single integer T(0<T<1000) which is the number oftest cases. T test cases follow. Each test case contains a char C(+,-,*, /) and two integers A andB(0<A,B<10000).Of course, we all knowthat A and B are operands and C is an operator.
Output
For each case, print the operationresult. The result should be rounded to 2 decimal places If andonly if it is not an integer.
Sample Input
4 + 1 2 - 12 * 1 2 / 1 2
Sample Output
3 -1 20.50
Author
lcy
分析:虽然是水体不过 The result should be roundedto 2 decimal places If and only if it is not aninteger.就是说如果是除法,并且结果为整数,就要输出整数。
代码如下:
#include<stdio.h>
int main()
{
int T;
char t;
int a,b;
scanf("%d%*c",&T);
while(T--)
{
scanf("%c %d%d%*c",&t,&a,&b);
if(t=='+')
printf("%d\n",a+b);
if(t=='-')
printf("%d\n",a-b);
if(t=='*')
printf("%d\n",a*b);
if(t=='/')
{
if(a%b==0)
printf("%d\n",a/b);
else
printf("%.2lf\n",(double)a/b);
}
}
return 0;
}
int main()
{
}
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