#include <stdio.h>
 
int main() {
	int n;
	float sum = 0, average;
 
    printf("Введите количество элементов последовательности: ");
    scanf("%d" , &n);
 
    for (int i = 0; i < n; i++) {
        float num;
        printf("Введите элемент %d: ", i + 1);
        scanf("%f", &num);
        sum += num;
}
 
    average = sum / n;
 
    printf("Среднее арифметическое: %.2f\n", average);
 
    return 0;
}
 
 

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