1 #include<stdio.h>
2 #include<stdlib.h>
3 #include<string.h>
4
5 int main()
6 {
7 int ncases,sum,a,i,len,k;
8 char s[8];
9
10 scanf("%d",&ncases);
11 while(ncases--)
12 {
13 scanf("%s",s);
14 len = strlen(s);
15 for(i=0; i<len; i++)
16 {
17 if(s[i]==':')
18 k = i;
19 }
20 sum = 0;
21 if(k == len-2)
22 {
23 if(s[k+1]=='0')
24 {
25 for(i=0; i<k; i++)
26 {
27 sum = sum*10 + (s[i]-'0');
28 }
29 sum += 12;
30 }
31
32 }
33 else
34 {
35 if(s[k+1]=='0'&&s[k+2]=='0')
36 {
37 for(i=0; i<k; i++)
38 {
39 sum = sum*10 + (s[i]-'0');
40 }
41 sum += 12;
42 }
43
44 }
45 if(sum > 24) sum = sum%24;
46 printf("%d\n",sum);
47 }
48
49 return 0;
50 }
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