1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
#include <stdio.h>
#include <stdlib.h>
int encode(char* dest, char* src) {
int d = 0, s = 0, num;
char c;
while(src[s] != '\0') {
c = src[s];
num = 0;
while(src[s] == c) {
num++;
s++;
}
d += sprintf(dest + d, "%d", num);
dest[d++] = c;
}
dest[d] = '\0';
return d;
}
int main() {
char *this, *next;
int i, len;
this = (char*) malloc(11 * sizeof(char));
next = (char*) malloc(21 * sizeof(char));
scanf("%s", this);
for(i = 0; i < 20; i++) {
len = encode(next, this);
this = realloc(this, (2*len)+1);
len = encode(this, next);
next = realloc(next, (2*len)+1);
}
printf("First final length: %d\n", len);
for(i = 0; i < 5; i++) {
len = encode(next, this);
this = realloc(this, (2*len)+1);
len = encode(this, next);
next = realloc(next, (2*len)+1);
}
printf("Second final length: %d\n", len);
free(this);
free(next);
return 0;
}
|
