HDU1170 Balloon Comes!
2014-08-28 08:13
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Balloon Comes!
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19874 Accepted Submission(s): 7486
[align=left]Problem Description[/align]
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!
[align=left]Input[/align]
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.
[align=left]Output[/align]
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.
[align=left]Sample Input[/align]
4
+ 1 2
- 1 2
* 1 2
/ 1 2
[align=left]Sample Output[/align]
3
-1
2
0.50
[align=left]Author[/align]
lcy
water
#include <stdio.h> void f(char ch, int a, int b) { if(ch == '+') printf("%d\n", a + b); else if(ch == '-') printf("%d\n", a - b); else printf("%d\n", a * b); } int main() { int a, b, t; char str[2]; scanf("%d", &t); while(t--){ scanf("%s%d%d", str, &a, &b); if(str[0] != '/') f(str[0], a, b); else if(a % b == 0) printf("%d\n", a / b); else printf("%.2lf\n", (double)a / b); } return 0; }
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