杭电1020Encoding

 1 #include <iostream>
 2 #include <algorithm>
 3 #include <cstdio>
 4 #include <cmath>
 5 #include <cstring>
 6 #include <queue>
 7 #include <stack>
 8 #include <map>
 9 #include <vector>
10 
11 #define PI acos((double)-1)
12 #define E exp(double(1))
13 using namespace std;
14 
15 int main (void)
16 {
17     int t,n;
18     char a,b;
19     cin>>t;
20     scanf("%*c");
21     while(t--)
22     {
23         n=1;
24         scanf("%c",&a);
25         while(scanf("%c",&b)==1 && b!=‘\n‘)
26         {
27             if(a == b)
28             {
29                     n++;
30             }
31             else
32             {
33                 if(n>1)
34                     printf("%d%c",n,a);
35                 else
36                     printf("%c",a);
37                 n=1;
38                 a=b;
39             }
40         }
41         if(n>1)
42                 printf("%d%c\n",n,a);
43             else
44                 printf("%c\n",a);
45     }
46     return 0;
47 }