07/06/25 16:32:25
>>160
#include <stdio.h>
int main(void)
{
int n = 0;
FILE *fp;
if ((fp = fopen("count.txt", "r+")) == NULL)
return 1;
fscanf(fp, "%d", &n);
rewind(fp);
fprintf(fp, "%d\n", ++n);
fclose(fp);
return 0;
}
07/06/25 16:32:25
>>160
#include <stdio.h>
int main(void)
{
int n = 0;
FILE *fp;
if ((fp = fopen("count.txt", "r+")) == NULL)
return 1;
fscanf(fp, "%d", &n);
rewind(fp);
fprintf(fp, "%d\n", ++n);
fclose(fp);
return 0;
}