#include
#include
int main(void)
{
int MAX = 10;
int *a = (int *)malloc(MAX * sizeof(int));
int *b;

FILE *fp1;
FILE *fp2;
fp1 = fopen(¡°a.txt¡±,¡±r¡±);
if(fp1 == NULL)
{printf(¡°error1¡å);
exit(-1);
}
fp2 = fopen(¡°b.txt¡±,¡±w¡±);
if(fp2 == NULL)
{printf(¡°error2¡å);
exit(-1);
}
int i = 0;
int j = 0;
while(fscanf(fp1,¡±%d¡±,&a[i]) != EOF)
{
i++;
j++;
if(i >= MAX)
{
MAX = 2 * MAX;
b = (int*)realloc(a,MAX * sizeof(int));
if(b == NULL)
{
printf(¡°error3¡å);
exit(-1);
}
a = b;
}
}
for(;¨Cj >= 0;)
fprintf(fp2,¡±%d\n¡±,a[j]);
fclose(fp1);
fclose(fp2);
return 0;

}