题解 | #明明的随机数#
明明的随机数
http://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
//用一个数组作为哈希表 #include #include using namespace std; int main() { int n; cin >> n;
vector<int> nums(1001,0);//注意这里一定要给定义的数组进行赋值
for (int i = 0; i < n; i++) {
int temp;
cin >> temp;
nums[temp]++;
}
for (int i = 1; i <= 1000; i++) {
if (nums[i] > 0) {
cout << i <<endl;
}
}
system("pause");
return 0;
}