Unique characters: Difference between revisions
added AWK
(Added C++ solution) |
Catskill549 (talk | contribs) (added AWK) |
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end considering</lang>
=={{header|AWK}}==
<lang AWK>
# syntax: GAWK -f UNIQUE_CHARACTERS.AWK
#
# sorting:
# PROCINFO["sorted_in"] is used by GAWK
# SORTTYPE is used by Thompson Automation's TAWK
#
BEGIN {
PROCINFO["sorted_in"] = "@ind_str_asc" ; SORTTYPE = 1
n = split("133252abcdeeffd,a6789798st,yxcdfgxcyz",arr1,",")
for (i=1; i<=n; i++) {
str = arr1[i]
printf("%s\n",str)
total_c += leng = length(str)
for (j=1; j<=leng; j++) {
arr2[substr(str,j,1)]++
}
}
for (c in arr2) {
if (arr2[c] == 1) {
rec = sprintf("%s%s",rec,c)
}
}
printf("%d strings, %d characters, %d different, %d unique: %s\n",n,total_c,length(arr2),length(rec),rec)
exit(0)
}
</lang>
{{out}}
<pre>
133252abcdeeffd
a6789798st
yxcdfgxcyz
3 strings, 35 characters, 20 different, 8 unique: 156bgstz
</pre>
=={{header|C++}}==
<lang cpp>#include <iostream>
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