为什么我得到“嵌套功能被禁用......”我的代码错误? [英] Why Do I Get "nested functions are disabled..." Error in my Code?
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问题描述
// largest_prime.c
#include< stdio.h>
int main(){
int num,large;
int prime(int);
int lprime(int);
printf(Enter number:);
scanf(%d,#);
large = lprime(num);
printf(最大素数=%d \ n,大);
返回0;
}
int lprime(int num){
int i = num-1,large;
while(i!= - 1){
if(num%i == 0){
if(prime(i)== 1){
large = i;
i = -1;
}
i--;
}
返回大;
}
int prime(int num){
int prime,i = num-1;
while(i!= - 1){
if(num%i == 0){
if(i!= 1){
i = -1;
返回0;
}
其他
返回1;
}
i--;
我在终端输出这个数据(我使用Mac )使用GCC:
largest_prime.c:函数'lprime':
largest_prime.c:26:error:嵌套函数被禁用,使用-fnested函数重新启用
largest_prime.c:39:错误:输入结束时的语法错误
我尝试了-fnested-functions来重新启用。我得到:
largest_prime.c:函数'lprime':
largest_prime.c:39:error:syntax输入结束时出错
请帮助!
解决方案 lprime失踪追踪'}'(实际上我相信你在追踪'}'时丢失了)
Basically, a program to find the largest prime factor of a number. Don't know if the logic is correct cuz I can't run it to test it. I know this is long. But please forgive me.
//largest_prime.c
#include <stdio.h>
int main() {
int num,large;
int prime(int);
int lprime(int);
printf("Enter number: ");
scanf("%d",&num);
large = lprime(num);
printf("Largest Prime = %d\n",large);
return 0;
}
int lprime(int num) {
int i=num-1,large;
while (i!=-1) {
if (num%i==0) {
if (prime(i)==1) {
large=i;
i=-1;
}
i--;
}
return large;
}
int prime(int num) {
int prime,i=num-1;
while (i!=-1) {
if(num%i==0) {
if(i!=1) {
i=-1;
return 0;
}
else
return 1;
}
i--;
}
}
I get this as output at terminal (I use Mac) using GCC:
largest_prime.c: In function ‘lprime’:
largest_prime.c:26: error: nested functions are disabled, use -fnested-functions to re-enable
largest_prime.c:39: error: syntax error at end of input
I tried -fnested-functions to re-enable. I get:
largest_prime.c: In function ‘lprime’:
largest_prime.c:39: error: syntax error at end of input
Please Help!
解决方案 lprime is missing trailing '}' (in fact i believe you lost while's trailing '}')
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