#include <stdio.h>
#include <time.h>
#define N 25
#define MAX_RAND 100

int main() {
    
    double numbers[N];
    int i;
    int flag;
    int count = 0;
    
    srand(time(NULL));
    
    for (i = 0; i < N; i++) {
        numbers[i] =  rand() % MAX_RAND - MAX_RAND / 2;
    }
    
    for (i = 0; i < N; i++) {
        printf("%f\n", numbers[i]);
    }
    
    if (numbers[0] < 0) {
        flag = 0;
    } else {
        flag = 1;
    }
    
    for (i = 1; i < N; i++) {
        if (numbers[i] < 0 && flag == 1) {
            count++;
            flag = 0;
        } else if (numbers[i] >= 0 && flag == 0) {
            count++;
            flag = 1;
        }
    }
    
    printf("\ncount=%d\n", count);
    
    return 0;
}