#include <stdio.h>
#include <string.h>
#define N 20

int main()
{
   char name[N][9]={"가","나","다","라","마","바","사","아","차","카","타","파","하","가가","나나","다다","라라","마마","바바","사사"};
   char std_no[N][14]={"2016001","2016002","2016003","2016004","2016005","2016006","2016007","2016008","2016009","2016010"
                       ,"2016011","2016012","2016013","2016014","2016015","2016016","2016017","2016018","2016019","2016020"};
   int eng[N]={30,100,45,76,78,59,89,12,56,37,49,75,89,84,75,98,61,45,83,62};
   int math[N]={12,10,100,89,78,75,98,62,95,84,75,87,45,26,58,78,51,48,78,19};
   int sci[N]={78,10,75,100,89,69,89,79,49,86,15,2,48,7,59,89,48,75,89,66};

   int order_e[N],order_m[N],order_s[N],rank[N];
   double gpa_e[N],gpa_m[N],gpa_s[N];
   int i,j,repeat,temp;

   for(i=0;i<N;i++)
   {
      order_e[i]=i;
      order_m[i]=i;
      order_s[i]=i;
   rank[i]=i;
   }

   for (repeat=1; repeat<N;repeat++)
   {
      for(i=0;i<N-repeat;i++)
      {
         if (eng[order_e[i]]>eng[order_e[i+1]])
         {
            temp = order_e[i];
            order_e[i]=order_e[i+1];
            order_e[i+1]=temp;
         }
      }
   }

   printf("영어 최고점 힉번 %-10s 이름 %-5s 영어 %d점 수학 %d점 과학 %d점\n",
         std_no[order_e[19]],name[order_e[19]],eng[order_e[19]],math[order_e[19]],sci[order_e[19]]);

   for (repeat=1; repeat<N;repeat++)
   {
      for(i=0;i<N-repeat;i++)
      {
         if (math[order_m[i]]>math[order_m[i+1]])
         {
            temp = order_m[i];
            order_m[i]=order_m[i+1];
            order_m[i+1]=temp;
         }
      }
   }

   printf("수학 최고점 학번 %-10s 이름 %-5s 영어 %d점 수학 %d점 과학 %d점\n",
         std_no[order_m[19]],name[order_m[19]],eng[order_m[19]],math[order_m[19]],sci[order_m[19]]);

   for (repeat=1; repeat<N;repeat++)
   {
      for(i=0;i<N-repeat;i++)
      {
         if (sci[order_s[i]]>sci[order_s[i+1]])
         {
            temp = order_s[i];
            order_s[i]=order_s[i+1];
            order_s[i+1]=temp;
         }
      }
   }

   printf("과학 최고점 학번 %-10s 이름 %-5s 영어 %d점 수학 %d점 과학 %d점\n",
         std_no[order_s[19]],name[order_s[19]],eng[order_s[19]],math[order_s[19]],sci[order_s[19]]);


   //-------------------------------------------

   for(i=0;i<6;i++)
      gpa_e[order_e[i]]=2.0;
   for(i=6;i<14;i++)
      gpa_e[order_e[i]]=3.0;
   for(i=14;i<20;i++)
      gpa_e[order_e[i]]=4.0;

   for(i=0;i<6;i++)
      gpa_m[order_m[i]]=2.0;
   for(i=6;i<14;i++)
      gpa_m[order_m[i]]=3.0;
   for(i=14;i<20;i++)
      gpa_m[order_m[i]]=4.0;

   for(i=0;i<6;i++)
      gpa_s[order_s[i]]=2.0;
   for(i=6;i<14;i++)
      gpa_s[order_s[i]]=3.0;
   for(i=14;i<20;i++)
      gpa_s[order_s[i]]=4.0;

   //---------------------------------------------
  
   printf("\n=================================================\n");
   printf("학번     이름 영어 수학 과학  GPA  석차    \n");
   printf("=================================================\n");

   for(i=0;i<N;i++)
   {
      printf("%-10s %-5s ",std_no[i],name[i]);
     
      if(gpa_e[i]==4.0)
         printf("A   ");
      else if(gpa_e[i]==3.0)
         printf("B   ");
      else
         printf("C   ");

      if(gpa_m[i]==4.0)
         printf("A   ");
      else if(gpa_m[i]==3.0)
         printf("B   ");
      else
         printf("C   ");

      if(gpa_s[i]==4.0)
         printf("A   ");
      else if(gpa_s[i]==3.0)
         printf("B   ");
      else
         printf("C   ");

        printf("%.1lf ",(gpa_e[i]+gpa_m[i]+gpa_s[i])/3.0,rank[i]);


}



이렇게 하면


이렇게 잘 되는데 석차를 동점자 처리하면서 어떻게 출력하는지 잘 모르곘어 ㅜㅜ