12.1学生成绩文件统计

#include<stdio.h>
#include<stdlib.h>
int main(){
    FILE *fp;
    long num;
    char stname[20];
    int i, score;
    int avg_score = 0;
    if((fp = fopen("c:\\f12-1.txt", "r")) == NULL){
        printf("File open error!\n");
        exit(0);
    }
    for(i = 0; i < 5; i++){
        fscanf(fp, "%ld%s%d", &num, stname, &score);
        avg_score += score;
        printf("%ld%s%d\n", num, stname, score);
    }
    printf("Average score : %d\n", avg_score / 5);
    if(fclose(fp)){
        printf("Can not close the file!\n");
        exit(0);
    }
    return 0; 
}