Update du2/program.c

du2/program.c

@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#define MAX_PIZZ 1000
+#define MAX_NAZOV 101
+
+typedef struct {
+    char nazov[MAX_NAZOV];
+    double cena;
+} Pizza;
+
+int porovnaj(const void *a, const void *b) {
+    const Pizza *p1 = (const Pizza *)a;
+    const Pizza *p2 = (const Pizza *)b;
+
+    if (p1->cena < p2->cena) return -1;
+    if (p1->cena > p2->cena) return 1;
+
+    return strcasecmp(p1->nazov, p2->nazov);
+}
+
+int main() {
+    Pizza zoznam[MAX_PIZZ];
+    int n = 0;
+
+    while (1) {
+        if (!fgets(zoznam[n].nazov, MAX_NAZOV, stdin))
+            break;
+
+        zoznam[n].nazov[strcspn(zoznam[n].nazov, "\n")] = '\0';
+
+        if (strlen(zoznam[n].nazov) == 0)
+            break;
+
+        char riadok[50];
+        if (!fgets(riadok, sizeof(riadok), stdin))
+            break;
+
+        if (sscanf(riadok, "%lf", &zoznam[n].cena) != 1)
+            break;
+
+        n++;
+        if (n >= MAX_PIZZ) break;
+    }
+
+    qsort(zoznam, n, sizeof(Pizza), porovnaj);
+
+    for (int i = 0; i < n; i++) {
+        printf("%s\n%.6f\n", zoznam[i].nazov, zoznam[i].cena);
+    }
+
+    return 0;
+}