1002 A + B Problem II
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A + B Problem II
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 224674 Accepted Submission(s): 43094
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 Input21 2112233445566778899 998877665544332211
Sample OutputCase 1:1 + 2 = 3Case 2:112233445566778899 + 998877665544332211 = 1111111111111111110
21 2112233445566778899 998877665544332211
Case 1:1 + 2 = 3Case 2:112233445566778899 + 998877665544332211 = 1111111111111111110
注意:0+0=0 此题有点坑啊,002+003=005竟然可以通过,我也是醉了
#include<cstdio>#include<string.h>#include<algorithm>#include<iostream>using namespace std;char a[1000],b[1000];int a1[1000],b1[1000],c[1005],MAX;void zhuan(int m,int n){ //字符转化为整数序列 int j=0,z=0; for(int i=m-1; i >= 0; i--)a1[j++]=a[i]-48; for(int i=n-1; i >= 0; i--)b1[z++]=b[i]-48;} void find(int n){ for(int i=0; i< n;i++){ int s = a1[i] + b1[i] + c[i]; c[i]=s%10; c[i+1]=s/10; } if(c[n])MAX++;}int main(){ int test,count=0; scanf("%d",&test); int N = test; while(test--){ scanf("%s%s",a,b); memset(c,0,sizeof(c)); memset(a1,0,sizeof(a1)); memset(b1,0,sizeof(b1)); int m = strlen(a); int n = strlen(b); zhuan(m,n); MAX=m >= n ? m : n; find(MAX); printf("Case %d:\n",++count); printf("%s + %s = ",a,b); for(int i=MAX-1;i>=0;i--)//输出运算结果 { printf("%d",c[i]); } printf("\n"); if(count != N) printf("\n"); } return 0; }
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