du2

du2/program.c

@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define MAX_STUDENTS 1024
+#define MAX_NAME 256
+
+typedef struct {
+    char name[MAX_NAME];
+    int votes;
+} Student;
+
+Student students[MAX_STUDENTS];
+int count = 0;
+
+int find(const char *name) {
+    for (int i = 0; i < count; i++) {
+        if (strcmp(students[i].name, name) == 0) return i;
+    }
+    return -1;
+}
+
+int cmp(const void *a, const void *b) {
+    const Student *sa = (const Student *)a;
+    const Student *sb = (const Student *)b;
+    if (sb->votes != sa->votes) return sb->votes - sa->votes;
+    return strcmp(sa->name, sb->name);
+}
+
+int main() {
+    char line[MAX_NAME + 32];
+    int loaded = 0;
+
+    while (fgets(line, sizeof(line), stdin) != NULL) {
+        int votes;
+        char name[MAX_NAME];
+
+        line[strcspn(line, "\n")] = '\0';
+
+        if (sscanf(line, "%d %255[^\n]", &votes, name) != 2 || votes <= 0) {
+            break;
+        }
+
+        loaded++;
+        int idx = find(name);
+        if (idx >= 0) {
+            students[idx].votes += votes;
+        } else {
+            if (count >= MAX_STUDENTS) break;
+            strncpy(students[count].name, name, MAX_NAME - 1);
+            students[count].votes = votes;
+            count++;
+        }
+    }
+
+    if (loaded == 0) {
+        fprintf(stderr, "Chyba: nepodarilo sa nacitat ziadny zaznam.\n");
+        return 1;
+    }
+
+    qsort(students, count, sizeof(Student), cmp);
+
+    printf("Vysledky:\n");
+    for (int i = 0; i < count; i++) {
+        printf("%d %s\n", students[i].votes, students[i].name);
+    }
+
+    return 0;
+}