5yue20ri

/* Note:Your choice is C IDE */
#include "stdio.h"
#define N 45
int inputSS(char names[][20],int score[],int num);
void printSS(char names[][20],int score[],int num);
void getMAX(char names[][20],int score[],int num);
main()
{
 char names[N][20];
 int score[N];
 int num=0;
 int choose;
 printf("What do you want to do:INPUT(1),OUTPUT(2),MAX(3),EXIT(0):");
    scanf("%d",&choose);
    do{
    switch(choose){
           case 1:num=inputSS(names,score,num);
           break;
           case 2:printSS(names,score,num);
           break;
           case 3:
           getMAX(names,score,num);}
    printf("\nWhat do you want to do:INPUT(1),OUTPUT(2),MAX(3),EXIT(0):");
         scanf("%d",&choose);}
         while(choose!=0);}
int inputSS(char names[][20],int score[],int num)
   {int n,i;
    printf("\nThis time,how many students do you want to input:");
    scanf("%d",&n);
    if((n+num)>N||n<1)
      {printf("not valid sum\n");
      return num;}
      printf("NOW INPUT AS (NAME SCORE):\n");
      for(i=0;i<n;i++)
      {printf("%d.",i);
      scanf("%s %d",&names[i+num],&score[i+num]);}
      printf("THIS TIME,INPUT IS OVER\n");
      return num+n;}
 void printSS(char names[][20],int score[],int num)
 {int i;
  if(num==0)
  {printf("NO STUDENTS NOW\n");
  return;}
  printf("\nNOW,THE STUDENTS SCORES AS FOLLOWS\n");
  for(i=0;i<num;i++)
  printf("%2d.  name:%10s  score:%3d\n",i,names[i],score[i]);}
 void getMAX(char names[][20],int score[],int num)
   {int i,max_index,max_score;
   
    if(num==0){printf("NO STUDENTS NOW\n");
    return;}
    max_index=0;
    max_score=score[0];
    for(i=1;i<num;i++)
     if(score[i]>max_score)
     {max_score=score[i];
      max_index=i;}
     printf("The Top Score is %d by %s\n",score[max_index],names[max_index]);
    }