■■■十万火急~~~求救!懂C语言的大大请进！

imac902

■■■十万火急~~~求救!哪位大侠能帮忙标示下注释~
■■■十万火急~~~求救!哪位大侠能帮忙标示下注释~
程序注释,算法解释,还有流程图都写出来
#include"stdio.h"
#define NULL 0
#define N1 3
#define N2 3
#define STR   struct student
#include "string.h"
int sco[N2+2];
STR
{long num;
char name[10];
int score[N2];
int average;
int total;
};
STR stu[N1];
void input()
{int i,j;
printf("=======there are %d students and %d subjects.========\n",N1,N2);
printf("=======Now input the student`s  num,name,score:====\n");
for(i=0;i<N1;i++)
{scanf("%6ld %s" ,&stu[i].num,stu[i].name);
for(j=0;j<N2;j++)
scanf("%6d",&stu[i].score[j]);
}
}
  void averandsum ()
{
  int i,j,b=0,c=0;

for(i=0;i<N1;i++)
{ stu[i].total=0;
for(j=0;j<N2;j++)
stu[i].total+=stu[i].score[j];
stu[i].average=stu[i].total/N2;
printf("Input the %d student`average and total:\n",i+1) ;
printf("the average is %6d\nthe total is %6d",stu[i].average,stu[i].total);
printf("\n");
}
for(i=0;i<N2;i++)
  {b=0;
  for(j=0;j<N1;j++)
   b=b+stu[j].score[i];
   sco[i]=b/N1; }
   for(i=0;i<N2;i++)
printf(" subject %d average is %6d.\n",i+1,  sco[i]);
for (i=0;i<N1;i++)
c=c+stu[i].average;
c=c/N1;
sco[N2]=c;
printf("=======the all average is %6d.========\n",c);
b=0;
for(i=0;i<N1;i++)
  b=b+stu[i].total;
  sco[N2+1]=b/N1;
  }
  void order()
  {
  int i,j,p,a[N2],b,c,d;
   char   str[10] ;
  printf("=========orderthe student ==========\n");
   for(i=0;i<N1-1;i++)
   {p=i;
   for(j=i+1;j<N1;j++)
    if(stu[j].total>=stu[p].total) p=j;
   printf("The num %ldstudent's order is %d",stu[p].num,i+1);
   b=stu[i].num;stu[i].num=stu[p].num;stu[i].num=b;
   strcpy(str,stu[i].name);
   strcpy(stu[i].name,stu[p].name);
   strcpy(stu[p].name,str);
   for(j=0;j<N2;j++)
   {a[j]=stu[i].score[j];
   stu[i].score[j]=stu[p].score[j];
   stu[p].score[j]=a[j];
   }
   c=stu[i].average ;
   stu[i].average=stu[p].average;
   stu[p].average=c;
   d=stu[i].total;
   stu[i].total=stu[p].total;
   stu[i].total=d;
   }

  }

void search ()
  {int i,j;
  char a;
  printf("Input the first letter.\n");
  a=getchar();
printf("the student`s the first word is %c .",a);
printf("\n=======search the student score======\n");
for(i=0;i<N1;i++)
{  if(a==stu[i].name[0])
  printf("the cha chu de xue sheng de scores is :\n");
  printf("%6ld,%s",   stu[i].num,stu[i].name);
   for (j=0;j<N2;j++)
  printf("%6d", stu[i].score[j]);
  printf("%6d %6d",stu[i].average,stu[i].total);

}
}
void revise()
  {int i,j;
    char str[N2];
    long a;
    int b[N2];
    printf("======Input the student`s revised score:======\n ");
    for(j=0;j<N2;j++)
     scanf("%d",&b[j]);
    printf("========input the student`s num:========\n ");
    scanf("%ld",&a);
    printf("====shu ru the student`s name:========\n");
    scanf("%s",str);
    for(i=0;i<N1;i++)
    { if(a==stu[i].num)
for(j=0;j<N2;j++)
  stu[i].score[j]=b[j];
  strcpy(stu[i].name,str);
    }
}
output()
  { int j, i;
   printf("output the student :\n");
   printf("*********xue sheng cheng ji guan li *********\n");
   printf("NUM---NAME");
   for(j=0;j<N2;j++)
   printf("--SCORE%d",j+1);
   printf("-AVERAGE-TOTAL");
   printf("\n");
    for(i=0;i<N1;i++)
      {printf("|%6ld|%s",stu[i].num,stu[i].name);
       for (j=0;j<N2;j++)
  printf("|%6d", stu[i].score[j]);
      printf("|%6d |%6d|",stu[i].average,stu[i].total);
      printf("\n");
      }
     printf("The all average:");
     for(j=0;j<N2+2;j++)
     printf("|%6d",sco[j]);
      }
void menu_f()
{
system("pause");
system("cls");
printf("\n1.Input student number,name,score.");
printf("\n2.Work out the student average and total.");
printf("\n3.Order the student.");
printf("\n4.Search the student.");
printf("\n5.Revise the student`s score.");
printf("\n6.Output the student`s score.");
printf("\n0.Exit.");
printf("\n Choice:");
}
main()
{int nMenuChoice;
while(1)
{menu_f();
printf("Please make the choise:\n ");
scanf("%d",&nMenuChoice);
if(nMenuChoice==0)  break;
else if(nMenuChoice<0||nMenuChoice>6) continue;
switch(nMenuChoice)
{
case 1: printf("Input the student`name,num,and score:\n") ;
   input(  );
   break;
case 2:  printf("Work out the student average and total:\n");
   averandsum ( );
   break;
case 3: printf("Order the student\n");
    order( );
  break;
case 4: printf("Search the student.\n");
  search() ;
  break;
case 5: printf("Revise the student`s score\n.");
  revise( );
  break;
case 6:  printf("shu chu the student`s score.\n");
       output(  ) ;
       break;
}
}
}
这段程序帮忙标上注释,可以的话最好画张流程图,感激不尽~
imac902@hotmail.com
qq:184541128
时间很紧,要在下午6:00前搞定,谢谢各位...

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tcaxc

刚刚看到，还没仔细看
是个输入学生信息，进行加工查询什么的练习程序吧
好象发错地方了