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Counterfeit Dollar

 1 #include<stdio.h>
 2 #include<string.h>
 3 #include<math.h>
 4 const int INF=1<<28;
 5 int main()
 6 {
 7     char rw[3][21],lw[3][21],vis[3][11];
 8     int ans[303],t;
 9     scanf("%d",&t);
10     while(t--)
11     {
12         memset(ans,0,sizeof(ans));
13         for (int i = 0; i < 3; i ++)
14         {
15             scanf("%s %s %s",lw[i],rw[i],vis[i]);
16         }
17         for (int i = 0; i < 3; i ++)
18         {
19             if(vis[i][0]=='e')
20             {
21                 for (int j = 0; lw[i][j]!=''; j ++)
22                 {
23                     ans[lw[i][j]-'A'] = INF;
24                     ans[rw[i][j]-'A'] = INF;
25                 }
26             }
27         }
28         for (int i  = 0; i < 3; i ++)
29         {
30 
31             for (int j = 0; lw[i][j]!=''; j ++)
32             {
33                 if (vis[i][0]=='u')
34                 {
35 
36                     if(ans[lw[i][j]-'A'] != INF)
37                     {
38                         ans[lw[i][j]-'A']++;
39                     }
40                     if(ans[rw[i][j]-'A'] != INF)
41                     {
42                         ans[rw[i][j]-'A']--;
43                     }
44                 }
45 
46                 else if (vis[i][0]=='d')
47                 {
48 
49                     if(ans[lw[i][j]-'A'] != INF)
50                     {
51                         ans[lw[i][j]-'A']--;
52                     }
53                     if(ans[rw[i][j]-'A'] != INF)
54                     {
55                         ans[rw[i][j]-'A']++;
56                     }
57                 }
58                 else
59                     break;
60             }
61         }
62         int max = 0,pos;
63         for (int i = 0; i <= 'L'-'A'; i ++)
64         {
65             if (ans[i]!=INF)
66             {
67                 if(fabs(ans[i]) > max)
68                 {
69                     max = fabs(ans[i]);
70                     pos = i;
71                 }
72             }
73         }
74         if(ans[pos] <= 0)
75             printf("%c is the counterfeit coin and it is light.
",pos+'A');
76         else
77             printf("%c is the counterfeit coin and it is heavy.
",pos+'A');
78     }
79     return 0;
80 
81 }

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原文地址：https://www.cnblogs.com/lahblogs/p/3232130.html