#include <stdio.h>
#include <stdlib.h>
int main(void)
{
char * str
= (char*)malloc(sizeof(char)*1000001); int i=0, count = 0;
fgets(str
, 1000001, stdin
); while(str[i]!='\n')
{
if(str[i]==' ')
count++;
i++;
}
if(str[0]==' ') count--;
if(str[i-1]==' ') count--;
return 0;
}
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