Array: Difference between revisions
Content added Content deleted
(not a task; don't use {{header}}) |
m (→C: lang tag / - nbsp) |
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We wish to open a text file and compute letter frequency |
We wish to open a text file and compute letter frequency |
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<lang c> FILE *any_text; |
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/* declare array */ |
/* declare array */ |
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int frequency[26]; |
int frequency[26]; |
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/* declare a computed index */ |
/* declare a computed index */ |
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int ch; |
int ch; |
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any_text = fopen ("a_text_file.txt", "rt"); |
any_text = fopen ("a_text_file.txt", "rt"); |
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/* init the freq table: */ |
/* init the freq table: */ |
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for (ch = 0; ch < 26; ch++) |
for (ch = 0; ch < 26; ch++) |
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frequency[ch] = 0; |
frequency[ch] = 0; |
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ch = fgetc(any_text); |
ch = fgetc(any_text); |
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while (!feof(any_text)) { |
while (!feof(any_text)) { |
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frequency[ch-'A'] += 1; |
frequency[ch-'A'] += 1; |
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ch = fgetc(any_text); |
ch = fgetc(any_text); |
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} |
}</lang> |
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===[[J]]=== |
===[[J]]=== |
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