思路 用特殊的读入方法,将这些数字读入数组中,然后用sort排序,前后两个数相同,说明重号,前后两个数的大小差两位,说明中间断号
代码
# include<iostream>
# include<cstdio>
# include<cstring>
# include<algorithm>
using namespace std;
const int N = 100010;
int a[N],n;
int main()
{
int cnt;
cin >> cnt;
int tp;
while(cin >> tp)//不管几行,直接读到文件尾部停止(不通用)
{
a[n] = tp;
n++;
}
sort(a,a + n);
int res1 = 0,res2 = 0;
for(int i = 1;i < n;i++)
{
if(a[i] == a[i - 1])
{
res1 = a[i];
}
if(a[i] - a[i - 1] == 2)
{
res2 = a[i] - 1;
}
}
cout << res2 << " " << res1 << endl;
return 0;
}