C++ 数组中的元素是否有错误?
需要帮助每次我在数组中输入元素并打印出来时,第二个元素会给我一个随机数。例如:数组[1,2,3]-->打印输出:145234,3-->但始终是第二个数字C++ 数组中的元素是否有错误?,c++,C++,需要帮助每次我在数组中输入元素并打印出来时,第二个元素会给我一个随机数。例如:数组[1,2,3]-->打印输出:145234,3-->但始终是第二个数字 int main () { int i,n; int * p; cout << "How many numbers would you like to type? "; cin >> i; p = new (nothrow) int[i]; for (n=0; n<
int main ()
{
int i,n;
int * p;
cout << "How many numbers would you like to type? ";
cin >> i;
p = new (nothrow) int[i];
for (n=0; n<i; n++)
{
cout << "Enter number: ";
cin >> p[n];
}
cout << "You have entered: ";
for (n=0; n<i; n++){
cout << p[n] << ", ";
delete[] p;
}
return 0;
}
int main()
{
inti,n;
int*p;
cout>i;
p=新的(无行)整数[i];
对于(n=0;np[n];
}
cout在打印第一个元素后,您正在删除数组。您应该在循环完成后删除它。将delete操作符移到循环之外
for (n=0; n<i; n++){
cout << p[n] << ", ";
}
delete[] p;
for(n=0;n这是什么意思?p=new(nothrow)int[i];
?你知道这行是什么意思吗?
for (n=0; n<i; n++){
cout << p[n] << ", ";
}
cout << endl;
delete[] p;