1 #include <iostream> 2 #include <cstdio> 3 #include <vector> 4 #include <algorithm> 5 using namespace std; 6 const int maxn = 1e5+5; 7 int a[maxn]; 8 int main() { 9 int n; 10 while (~scanf("%d",&n)) { 11 for (int i = 1; i <= n; ++i) scanf("%d",&a[i]); 12 vector<int> ve; 13 ve.push_back(a[1]); 14 for (int i = 2; i <= n; ++i) { 15 if (ve[ve.size()-1] < a[i]) { 16 // 如果新进来的数比最后一个数大,那么直接插入 17 ve.push_back(a[i]); 18 } 19 else { 20 ve[lower_bound(ve.begin(),ve.end(),a[i])-ve.begin()] = a[i]; 21 } 22 } 23 printf("%d\n",ve.size()); 24 } 25 return 0; 26 }
原文地址:https://www.cnblogs.com/wstong/p/11778374.html
时间: 2024-10-11 18:59:23