Přidat du4/program.c

du4/program.c

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <string.h>
+
+#define MAX_NAMELEN 50
+#define MAX_STUDENTS 100
+
+typedef struct {
+    char name[MAX_NAMELEN];
+    int votes;
+} Student;
+
+int main() {
+    Student studenty[MAX_STUDENTS];
+    char name[MAX_NAMELEN];
+    char line[255];
+    int znayd = 0;
+    int golosa=0;
+    int kilkstudentiv = 0;
+
+        while (fgets(line, sizeof(line), stdin)) {
+           if (sscanf(line, "%d %[^\n]", &golosa, name) != 2 || golosa <= 0) {
+              if (kilkstudentiv == 0) {
+                printf("Chyba: Neplatný vstup.\n");
+                return 1;
+               }
+              break;
+           }
+
+          for (int i = 0; i < kilkstudentiv; i++) {
+              if (strcmp(studenty[i].name, name) == 0) {
+                 studenty[i].votes += golosa;
+                znayd = 1;
+                break;
+              }
+           }
+  
+        if (znayd == 0) {
+            strcpy(studenty[kilkstudentiv].name, name);
+               studenty[kilkstudentiv].votes = golosa;
+               kilkstudentiv++;
+               }
+            }
+     
+        if (kilkstudentiv == 0) {
+           printf("Chyba: Neplatný vstup.\n");
+         return 1; }
+
+         for (int i = 0; i < kilkstudentiv - 1; i++) {
+            for (int j = i + 1; j < kilkstudentiv; j++) {
+             if (studenty[i].votes < studenty[j].votes ||
+                 (studenty[i].votes == studenty[j].votes && strcmp(studenty[i].name, studenty[j].name) > 0)) {
+                   Student change = studenty[i];
+                    studenty[i] = studenty[j];
+                    studenty[j] = change;
+                    }
+           }
+        }
+       printf("Vysledky:\n");
+          for (int i = 0; i < kilkstudentiv; i++) {
+          printf("%d %s\n", studenty[i].votes, studenty[i].name);
+          }
+    return 0;
+}