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#include <stdio.h> int main (int argc, const char * argv[]){ int c, blank=0; c=getchar(); while(c != EOF){ if(c==' '&&blank==0){ blank++; putchar(c); c=getchar(); } elseif(c==' '&&blank!=0){ c=getchar(); } else{ putchar(c); c=getchar(); blank=0; } } }
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