练习2.13
下面程序中j的值是多少?
int i = 42;
int main(){
int i = 100;
int j = i;
}
解答:
100
练习2.14
下面的程序合法嘛?如果合法,它将输出什么?
int i = 100, sum = 0;
for (int i = 0; i != 10; ++i)
sum += i;
std::cout << i << " " << sum << std::endl;
解答:
合法,会输出:100 45
练习2.13
下面程序中j的值是多少?
int i = 42;
int main(){
int i = 100;
int j = i;
}
解答:
100
练习2.14
下面的程序合法嘛?如果合法,它将输出什么?
int i = 100, sum = 0;
for (int i = 0; i != 10; ++i)
sum += i;
std::cout << i << " " << sum << std::endl;
解答:
合法,会输出:100 45