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 c850687 was
9c14ae9,
checked in by Rob Schluntz <rschlunt@…>, 8 years ago
|
add thesis source
|
-
Property mode set to
100644
|
File size:
745 bytes
|
Rev | Line | |
---|
[9c14ae9] | 1 | #include <stdio.h> |
---|
| 2 | #include <ctype.h> |
---|
| 3 | struct mf_ret { |
---|
| 4 | int freq; |
---|
| 5 | char ch; |
---|
| 6 | }; |
---|
| 7 | |
---|
| 8 | struct mf_ret most_frequent(const char * str) { |
---|
| 9 | char freqs [26] = { 0 }; |
---|
| 10 | struct mf_ret ret = { 0, 'a' }; |
---|
| 11 | for (int i = 0; str[i] != '\0'; ++i) { |
---|
| 12 | if (isalpha(str[i])) { // only count letters |
---|
| 13 | int ch = tolower(str[i]); // convert to lower case |
---|
| 14 | int idx = ch-'a'; |
---|
| 15 | if (++freqs[idx] > ret.freq) { // update on new max |
---|
| 16 | ret.freq = freqs[idx]; |
---|
| 17 | ret.ch = ch; |
---|
| 18 | } |
---|
| 19 | } |
---|
| 20 | } |
---|
| 21 | return ret; |
---|
| 22 | } |
---|
| 23 | |
---|
| 24 | void dothing(const char * str) { |
---|
| 25 | struct mf_ret ret = most_frequent(str); |
---|
| 26 | printf("%s -- %d %c\n", str, ret.freq, ret.ch); |
---|
| 27 | } |
---|
| 28 | |
---|
| 29 | int main() { |
---|
| 30 | dothing("hello"); |
---|
| 31 | dothing("hello, world!"); |
---|
| 32 | dothing("aaabbbba"); |
---|
| 33 | dothing(""); |
---|
| 34 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.