Question

C语言改错题，求解

Answer 1

3.

#include <stdio.h>

void main()

{    long num;

/*****FOUND*****/

long k=1;

printf("\nPlease enter a number.");

/*****FOUND*****/

scanf("%ld", &num);

do

{    k*=num%10;

/*****FOUND*****/

num/=10;

}while(num);

printf("\n%ld\n", k);

}

运行测试：

4.

#include <stdio.h>

void main()

{    int i;

float f1=1,f2=1,f3;

/*****FOUND*****/

printf("%8.0f",f1);

/*****FOUND*****/

for(i=1;i<20;i++)

{    f3=f1+f2;f1=f2;

/*****FOUND*****/

f2=f3;

printf("%8.0f",f1);

}

printf("\n");

}

运行结果：

Answer 2