POJ1503

 1 #include <iostream>
 2 #include <string>
 3 #include <string.h>
 4 using namespace std;
 5
 6 int main()
 7 {
 8     int N = 400;
 9     //input用来存储输入数据
10     int input[N][N];
11     memset(input, 0, sizeof(input));
12     string s;
13     int num = 0;
14     //将接收的string类型转化成数组，便于处理
15     while (cin >> s)
16     {
17         if (s == "0")
18             break;
19         else
20         {
21             for (int i = s.size(), j = N-1; i > 0; i--, j--)
22             {
23                 input[num][j] = s[i-1] - 48;
24             }
25         }
26         num++;
27     }
28
29     //sum数组用来处理求和
30     int sum[N];
31     memset(sum, 0, sizeof(sum));
32     for (int i = 0; i < N; i++)
33     {
34         for (int j = 0; j < N; j++)
35         {
36             sum[i] += input[j][i];
37         }
38     }
39
40     for (int i = N-1; i >=0; i--)
41     {
42         sum[i-1] += sum[i]/10;
43         sum[i] = sum[i]%10;
44     }
45
46     int high = 0;
47     for (int i = 0; i < N; i++)
48     {
49         if (sum[i] != 0)
50         {
51             high = i;
52             break;
53         }
54     }
55
56     for (int j = high; j < N; j++)
57     {
58         cout << sum[j];
59     }
60     cout << endl;
61
62     return 0;
63 }