du2

du2/program.c

@@ -0,0 +1,99 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#define SIZE 100
+
+struct student{
+    char name[SIZE];
+    int votes;
+};
+
+int Fstudent(struct student* students, int size, const char* name){
+    for (int i = 0; i < size; i++) {
+        if (strcmp(students[i].name, name) == 0) {
+            return i;
+        }
+    }
+    return -1;
+}
+
+
+int compare(const void* p1, const void* p2){
+    struct student* s1 = (struct student*)p1;
+    struct student* s2 = (struct student*)p2;
+    // s1->votes je počet hlasov
+    // s1->name je meno študenta
+    if (s1->votes != s2->votes) {
+        return s2->votes - s1->votes; 
+    }
+
+    return strcmp(s1->name, s2->name);
+}
+
+
+int main(){
+
+struct student databaza[SIZE];
+memset(databaza,0,SIZE*sizeof(struct student));
+int size = 0;
+
+while(1){
+    char line[SIZE];
+    memset(line,0,SIZE);
+    char* r = fgets(line,SIZE,stdin);
+    if (r == NULL){
+        break;
+        // Nastal koniec načítania
+    }
+
+    char* end = NULL;
+    int value = strtol(line,&end,10);
+    if (value == 0){
+        break;
+        // Premena sa nepodarila
+        }
+    if (*end != ' ') {
+            break;
+        }
+
+    char name[SIZE];
+        memset(name, 0, SIZE);    
+
+    char* zaciatok_mena = end + 1;    
+    int velkost_mena = strlen(zaciatok_mena) - 1;
+
+    memcpy(name,zaciatok_mena,velkost_mena);
+    name[velkost_mena] = '\0';
+
+    if (velkost_mena <= 1) {
+            break;
+        }
+    int id = Fstudent(databaza, size, name);
+    
+    if (id< 0){
+        if (size >= SIZE) {
+                break;
+            }
+    // Skopirujte zaznam na posledne miesto v poli
+    memcpy(databaza[size].name,name,velkost_mena + 1);
+    databaza[size].votes = value;
+    // Zvacsite pocet zaznamov 
+    size+=1;
+    }else{
+    databaza[id].votes += value;
+    }
+}
+if (size == 0) {
+        printf("Chyba\n");
+        return 1;
+    }
+
+    qsort(databaza, size, sizeof(struct student), compare);
+
+    printf("Vysledky:\n");
+
+
+return 0;
+}