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| 1 | #include <stdlib.h> | |
| 2 | #include <stdio.h> | |
| 3 | //funkcja *dodatnie czyta liczby z klawiatury, dodatnie dodaje do tablicy a z ujemnych liczy srednia | |
| 4 | void czytaj_n(int*n); | |
| 5 | void drukuj_tab(int *t, int n); | |
| 6 | int *dodatnie(int *n, double *srednia_u); | |
| 7 | int main() | |
| 8 | {
| |
| 9 | int *tab = NULL, n=0,i; | |
| 10 | double srednia_u=0; | |
| 11 | tab = dodatnie(&n, &srednia_u); | |
| 12 | if (tab == NULL) | |
| 13 | printf("Nie podano dodatnich wartosci\n");
| |
| 14 | else | |
| 15 | {
| |
| 16 | printf("tablica %i dodatnich wartosci:\n", n);
| |
| 17 | drukuj_tab(tab, n); | |
| 18 | } | |
| 19 | if (srednia_u == 0) | |
| 20 | printf("Nie podano ujemnych wartosci\n");
| |
| 21 | else | |
| 22 | printf("srednia z ujemnych wartosci wynosi: %lf\n", srednia_u);
| |
| 23 | system("pause");
| |
| 24 | } | |
| 25 | void czytaj_n(int*n) | |
| 26 | {
| |
| 27 | scanf_s("%d", n);
| |
| 28 | ||
| 29 | } | |
| 30 | void drukuj_tab(int *t, int n) | |
| 31 | {
| |
| 32 | int i; | |
| 33 | for (i = 0; i<n; i++) | |
| 34 | {
| |
| 35 | printf("[%d]=%d\n", i, *(t + i));
| |
| 36 | } | |
| 37 | } | |
| 38 | int *dodatnie(int *n, double *srednia_u) | |
| 39 | {
| |
| 40 | int *tab = NULL; | |
| 41 | int suma_u = 0; | |
| 42 | int n_u = 0, i = 0; | |
| 43 | int l; | |
| 44 | while (1) | |
| 45 | {
| |
| 46 | czytaj_n(&l); | |
| 47 | if (l == 0) | |
| 48 | break; | |
| 49 | else | |
| 50 | if (l > 0) | |
| 51 | {
| |
| 52 | (*n)++; | |
| 53 | tab = (int*)realloc(tab, *n * sizeof(int)); | |
| 54 | *(tab + *n - 1) = l; | |
| 55 | } | |
| 56 | else | |
| 57 | {
| |
| 58 | n_u++; | |
| 59 | suma_u += l; | |
| 60 | } | |
| 61 | } | |
| 62 | if (n_u != 0) | |
| 63 | *srednia_u = (double)suma_u / n_u; | |
| 64 | else *srednia_u = 0; | |
| 65 | return tab; | |
| 66 | } |
