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40 lines
881 B
40 lines
881 B
8 months ago
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#include <stdio.h>
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#include <ctype.h>
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#define MAXLEN 30
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void expand(char s1[], char s2[]);
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int main()
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{
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char in[MAXLEN] = "-A-Z1-9\0";
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char out[MAXLEN];
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printf("s1 = %s\n", in);
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expand(in, out);
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printf("s2 = %s\n", out);
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return 0;
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}
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void expand(char s1[], char s2[])
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{
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int i, j;
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char t;
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for (i = 0, j = 0; s1[i] != '\0'; i++)
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{
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if ( s1[i] == '-' )
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{
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if ( (isdigit(s1[i-1]) && isdigit(s1[i+1]) && (s1[i-1]<s1[i+1])) ||
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(islower(s1[i-1]) && islower(s1[i+1]) && (s1[i-1]<s1[i+1])) ||
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(isupper(s1[i-1]) && isupper(s1[i+1]) && (s1[i-1]<s1[i+1])) )
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for (t = (char)(s1[i-1]+1); t < s1[i+1]; t++)
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s2[j++] = t;
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else
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s2[j++] = s1[i];
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}
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else
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s2[j++] = s1[i];
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}
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s2[j] = '\0';
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}
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