第二周作业

#include<stdio.h>
#include<stdlib.h>
 int main (void)
 {
     FILE*fp;
     int N,i,m=0;
    
    int num[N];
    if((fp=fopen("D:\\leisiqian.txt","a+"))==NULL)
    {
        printf("File open error!\n");
                exit(0);
    }
    fscanf(fp,"%d",&N);
    for(i=0;i<N;i++)
    {
        fscanf(fp,"%d",&num[i]);
        printf("%d ",num[i]);
        if(num[i]>num[m]){
            num[m]=num[i];
             m=i;
          }
    }
    printf("\n%d %d",num[m],m);
        fprintf(fp,"\n%d %d",num[m],m);
            exit(0);
        if(fclose(fp))
            {
            printf("Can not close the file!\n");
                exit(0);    
            }
       return 0;
 }