#include void main() { char str[100]; int num=0; int i=0; gets(str); while(str[i] != '\0') { while(str[i] == ' ') { i++; } if(str[i] == '\0') break; else num++; while(str[i] != ' '&&str[i] != '\0') { i++; } } printf("%d\n",num); }