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#include <stdio.h>
#include <stdlib.h>
int main()
{
    char mus[100];
    int i = 0, k = 0;
    printf("Введите строку\n");
    gets_s(mus);
    while (mus[i] != '\0'){
        if (mus[i] == ' ' && mus[i+1] != ' ')
            k++;
        i++;
    }
    printf("%d\n", k+1);
    system("pause");
    return 0;
}