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Fix 4-13 #8

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Fix 4-13 #8

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16 changes: 7 additions & 9 deletions Chapter4/Exercise 4-13/reverse.c
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Original file line number Diff line number Diff line change
@@ -1,5 +1,4 @@
/**
* Author: Jeremy Yu <[email protected]>
*
* Solution for Exercise 4-13, Chapter4.
*/
Expand Down Expand Up @@ -32,14 +31,13 @@ void reverse(char s[])

void reverse_r(char s[], int i, int j)
{
int tmp;
int temp = s[i];

tmp = s[i];
s[i] = s[j];
s[j] = tmp;

if (i < j)
reverse_r(s, ++i, --j);
if (i<j)
reverse_r(s, i+1, j);
s[j-i] = temp;
if (i==0)
s[j+1] = '\0';
}

int getchars(char s[], int max)
Expand All @@ -52,4 +50,4 @@ int getchars(char s[], int max)
s[l] = '\0';

return l;
}
}