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hdu 1002大數(Java)

2019-11-14 22:14:00
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hdu 1002大數(java)A + B PRoblem II
Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 230395Accepted Submission(s): 44208
Problem DescriptionI have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.
InputThe first line of the input contains an integer T(1<=T<=20) which means the number of test cases. Then T lines follow, each line consists of two positive integers, A and B. Notice that the integers are very large, that means you should not process them by using 32-bit integer. You may assume the length of each integer will not exceed 1000.
OutputFor each test case, you should output two lines. The first line is "Case #:", # means the number of the test case. The second line is the an equation "A + B = Sum", Sum means the result of A + B. Note there are some spaces int the equation. Output a blank line between two test cases.
Sample Input2 1 2 112233445566778899 998877665544332211
Sample OutputCase 1: 1 + 2 = 3 Case 2: 112233445566778899 + 998877665544332211 = 1111111111111111110
鏈接: http://acm.hdu.edu.cn/showproblem.php?pid=1002題意:就是簡單的A+B,就只要注意最后一組數據后沒多余的空行就ok了,用c/c++比較麻煩,用java輕而易舉就搞定了,so~,c的代碼就不貼了。
 1 import java.util.*; 2  2 import java.math.*; 3  3 public class Main { 4  4     public static void main(String[] args) { 5  5         int T; 6  6         BigDecimal a,b,c;             //定義兩個大數型變量a,b 7  7         Scanner cin = new Scanner(System.in);     8  8         T = cin.nextInt(); 9  9         for (int i=1; i<=T; i++){10 10             a = cin.nextBigDecimal();11 11             b = cin.nextBigDecimal();12 12             //c = a.add(b);        //java的加法和c/c++的不同,四則運算都要寫成這種形式13 13             System.out.println("Case "+i+":");14 14             System.out.println(a+" + "+b+" = "+(a.add(b)));15 15             if (i != T)        //最后一組數據后沒有多余的空行。16 16             System.out.println();17 17         }18 18 19 19     }20 20 }
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