关于#c语言#的问题，请各位专家解答！

Question

printf("a>0\t%d\n"(a>0));这行显示报错，提示为expression cannot be used as a function

#include<stdio.h>
int main(){
    int a = 10;
    if(a>0){
        printf("a>0\t%d\n"(a>0));
        printf("a<0\t%d\n"(a<0));
    }
    return 0;
}

Answer 1

printf内少了逗号，都加上逗号，如 printf("a>0\t%d\n",(a>0));