16 lines
250 B
C
16 lines
250 B
C
#include <stdio.h>
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int main(void) {
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int n;
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scanf("%i", &n);
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double arr[n];
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for (int i = 0; i < n; i++) {
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scanf("%lf", &arr[i]);
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}
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double sum = 0;
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for (int i = 0; i < n; i++) {
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sum += arr[i];
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}
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printf("%.2lf\n", sum / n);
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}
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