数学/找规律/暴力 Codeforces Round #306 (Div. 2) C. Divisibility by Eight

 1 /*
 2     数学/暴力：只要一个数的最后三位能被8整除，那么它就是答案；用到sprintf把数字转移成字符读入
 3 */
 4 #include <cstdio>
 5 #include <algorithm>
 6 #include <cstring>
 7 #include <iostream>
 8 #include <cmath>
 9 #include <vector>
10 using namespace std;
11 
12 const int MAXN = 1e2 + 10;
13 const int INF = 0x3f3f3f3f;
14 char s[MAXN];
15 char t[MAXN];
16 
17 int main(void)        //Codeforces Round #306 (Div. 2) C. Divisibility by Eight
18 {
19     while (scanf ("%s", s) == 1)
20     {
21         bool ok = false;
22         for (int i=0; i<1000; ++i)
23         {
24             if (i % 8 == 0)    sprintf (t, "%d", i);
25             int p = 0;
26             for (int i=0; s[i] && t[p]; ++i)
27             {
28                 if (s[i] == t[p])    p++;
29             }
30             if (!t[p])    {puts ("YES");    printf ("%s
", t);    ok = true;    break;}
31         }
32         if (!ok) puts ("NO");
33     }
34 
35     return 0;
36 }
37 
38 /*
39 3454
40 10
41 111111
42 */
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