fork(1) download

copy

#include<stdio.h>
int main(){
int ans,judge,loop;
printf("値を分析します\n好きな数字を入力してください。\n");
scanf("%d",&ans);
ans%2=judge;
if(judge=0){
printf("偶数です\n");
}else{
printf("奇数です\n");
}
for(loop=1;loop<ans;loop++){
ans%loop=judge;
if(judge=0){
printf("素数ではありません。\n");
ans=loop;
return 0;
}
}
printf("素数です。\n");
return 0;
}

prog.c: In function ‘main’:
prog.c:6:6: error: lvalue required as left operand of assignment
 ans%2=judge;
      ^
prog.c:7:1: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
 if(judge=0){
 ^~
prog.c:13:9: error: lvalue required as left operand of assignment
 ans%loop=judge;
         ^
prog.c:14:1: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
 if(judge=0){
 ^~

Standard output is empty