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#include<iostream>
using namespace std;
int main()
{
printf("运算符优先级 非 与 或\n\n");
printf("求下面式子的值:!(3<1)||(67>3)&&(34==43)");
printf("\n答案:%d",!(3<1)||(67>3)&&(34==43));
printf("\n");
printf("\n理由: 1、先计算!(3<1)");
printf("\n 2、再计算(67>3)&&(34==43)");
printf("\n 3、最后!(3<1)||(67>3)&&(34==43)");
printf("这里需要注意的是如果直接用 cout << (67>3)&&(34==43) 会产生错误的结果,这与cout本身的机制有关,如果想使用cout输出,需要这样:\n\n");
printf("cout<<((67>3)&&(34==43))<<endl;\n");
cout<<((67>3)&&(34==43))<<endl;
return 0;
}