42 lines
781 B
C
42 lines
781 B
C
#include <stdio.h>
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#define CHARS 254
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/* prints character frequency histogram */
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void main()
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{
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int i, c;
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int counts[CHARS];
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/* initializing */
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for (i = 0; i < CHARS; ++i)
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counts[i] = 0;
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/* counting */
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while ((c = getchar()) != EOF) {
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++counts[c];
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}
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/* printing */
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for (c = 0; c < CHARS; ++c) {
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if (counts[c] == 0)
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continue;
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if (c == '\n')
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printf("\\n ");
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else if (c == ' ')
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printf("' ' ");
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else if (c == '\t')
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printf("\\t ");
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else if (c == '\b')
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printf("\\b ");
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else
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printf("%c ", c);
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for (i = 0; i < counts[c]; ++i)
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putchar('#');
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putchar('\n');
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}
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}
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