20 lines
274 B
C
20 lines
274 B
C
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#include <stdio.h>
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int main() {
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int c;
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int prevb = 0;
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while ((c=getchar()) != EOF){
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if (c == ' ' && prevb == 1){
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continue;
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}
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if (c == ' '){
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prevb = 1;
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putchar(c);
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}
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else{
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prevb = 0;
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putchar(c);
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}
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}
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return 0;
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}
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