#include<stdio.h>

struct info {
    char album[30];
    int released;
    char group[30];
};

int main() {
    FILE * fpt; 
    int size;
    struct info band[size];
    int i;

    printf("How many groups would you like to input: ");
    scanf("%d",&size); 

    for (i=0; i<size; i++) {

        printf ("Input what group: ");
        scanf(" %s",band[i].group);    

        printf("Input released date: ");
        scanf(" %d",&band[i].released);

        printf("Input what album: ");
        scanf(" %s",band[i].album);

    }

    fpt = fopen("records.dat","w");
    // printf("Group\t\tReleased\t\tAlbum\n");

    for (i=0; i<size; i++) {
        fprintf(fpt,"%s\t\t%d\t\t%s\n",band[i].group,band[i].released,band[i].album);
    }

    printf("File created.\n");
    fclose(fpt);
}

这是output：

ø-605554032熵// //下一行输出正确