Update cv2/program.c

cv2/program.c

@@ -1 +1,94 @@
-////
+#include <stdio.h>
+#include <string.h>
+
+#define LINE_SIZE 100
+#define LIST_SIZE 200
+
+struct pizza
+{
+   char name[LINE_SIZE];
+   float prize;
+};
+
+int read_pizza_list(struct pizza* list);  
+
+int compare_pizza (const void * a, const void * b)
+{
+    struct pizza* p1=(struct pizza*)a;
+    struct pizza* p2=(struct pizza*)b;
+
+    if( p1->prize > p2->prize )
+    {
+        return 1;
+    }
+    
+    
+    if( p1->prize < p2->prize )
+    {
+        return -1;
+    }
+
+    return strcmp(p1->name, p2->name);
+}  
+
+
+int main()
+{
+    struct pizza list[LIST_SIZE];
+    memset(list,0,LIST_SIZE*sizeof(struct pizza));
+
+    int n=read_pizza_list(list);
+    printf("%d",n);
+    for(int k=0; k<n; k++)
+      printf("\n%s   %f",list[k].name, list[k].prize);
+
+	return 0;
+}
+
+
+int read_item(struct pizza *r) 
+{
+    char*p;
+    int st;
+    do
+    {
+        p=fgets(r->name, 299, stdin);
+    }while(p!=NULL && p[0]=='\n');
+
+    if(p==NULL) {return 0;}
+
+    st=scanf("%f", &r->prize);
+
+      
+
+    if(st==1)   
+        {return 1;}  
+    else 
+        {return 0;}   
+}
+
+
+int read_pizza_list(struct pizza* list)   
+{   
+    int counter = 0;
+    for (int i=0; i< LIST_SIZE; i++)
+    {
+        struct pizza item;
+        memset(&item,0,sizeof(struct pizza));
+    
+        int r = read_item(&item);
+        if (r)
+        {        
+            memcpy(&list[i],&item,sizeof(struct pizza));         
+            counter += 1;
+        }
+        else
+        {
+           
+            break;
+        }
+    }
+
+    return counter;
+
+}