题目内容

下列程序的输出结果是________。#includeint main(void){ FILE *fp;int a = 20, b = 30, x, y;fp = fopen("example.txt", "w");fprintf(fp, "%d\n", a);fprintf(fp, "%d\n", b);fclose(fp);fp = fopen("example.txt", "r");fscanf(fp, "%d%d", &x, &y);printf("%d#%d\n", x, y);fclose(fp);return 0;}

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下列程序的功能是输出文件 example.txt 中的________个数。#includeint main(void){ FILE *fp;long count = 0;fp = fopen("example.txt", "r");fgetc(fp);while(!feof(fp)){ ++count;fgetc(fp);}fclose(fp);printf("count=%ld\n", count);return 0;}

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