32 lines
827 B
C
32 lines
827 B
C
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#include <stdio.h>
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int main() {
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enum states { before, inside, after } state;
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int c;
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state = before;
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while ((c = getchar()) != EOF) {
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switch (state) {
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case before:
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if (c == '\n')
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putchar('\n');
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else if (c != ' ')
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putchar(c), state = inside;
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break;
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case inside:
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switch (c) {
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case ' ':
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state = after; break;
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case '\n':
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putchar('\n'), state = before;
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break;
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default: putchar(c);
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}
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break;
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case after:
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if (c == '\n')
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putchar('\n'), state = before;
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}
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}
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return 0;
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}
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