ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 175ad32 was
9c14ae9,
checked in by Rob Schluntz <rschlunt@…>, 7 years ago
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add thesis source
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-
Property mode set to
100644
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File size:
739 bytes
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1 | #include <stdio.h> |
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2 | #include <ctype.h> |
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3 | |
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4 | [int, char] most_frequent(const char * str) { |
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5 | char freqs [26] = { 0 }; |
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6 | int ret_freq = 0; |
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7 | char ret_ch = 'a'; |
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8 | for (int i = 0; str[i] != '\0'; ++i) { |
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9 | if (isalpha(str[i])) { // only count letters |
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10 | int ch = tolower(str[i]); // convert to lower case |
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11 | int idx = ch-'a'; |
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12 | if (++freqs[idx] > ret_freq) { // update on new max |
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13 | ret_freq = freqs[idx]; |
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14 | ret_ch = ch; |
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15 | } |
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16 | } |
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17 | } |
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18 | return [ret_freq, ret_ch]; |
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19 | } |
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20 | |
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21 | void dothing(const char * str) { |
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22 | int freq; |
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23 | char ch; |
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24 | [freq, ch] = most_frequent(str); |
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25 | printf("%s -- %d %c\n", str, ret_freq, ret_ch); |
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26 | } |
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27 | |
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28 | int main() { |
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29 | dothing("hello"); |
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30 | dothing("hello, world!"); |
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31 | dothing("aaabbbba"); |
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32 | dothing(""); |
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33 | } |
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