View difference between Paste ID: PLESVZNm and WHhV5p5E

 // #include "stdafx.h" crap not needed
 #include <stdio.h>
 #include <string.h>
 // #include <conio.h> crap not needed
 #include <stdlib.h>
 
 
 #define NO_OF_STUDENTS 4        // too lazy for 20
 
 struct data {
   char name[20];
   int age;
   int weight;
 };
 
 int main()
 {
   struct data Students[NO_OF_STUDENTS]; // 20 students.
   int Counter = 0;
 
   for (Counter = 0; Counter < NO_OF_STUDENTS; ++Counter) {
     scanf("%s", Students[Counter].name); //what about "[Counter"] after name??
     scanf("%d", &Students[Counter].age);
     scanf("%d", &Students[Counter].weight);
   }
 
   for (Counter = 0; Counter < NO_OF_STUDENTS; ++Counter) {
     printf("Name=%s, ", Students[Counter].name);
     printf("Age=%d, ", Students[Counter].age);
     printf("Weight=%d\n", Students[Counter].weight);
   }
 
 
 
 qsort (Students[20].age,20, sizeof(int), compare); // i dont know what do with this
 
 
 
 system("pause");
 
   return 0;
 }
 
 
 
 
 int compare (const void * a, const void * b)
 {
     return ( *(int*)a - *(int*)b );
 }