| 11 | } |
| 12 | |
| 13 | int main(){ |
| 14 | int n,idx=1; |
| 15 | cin >> n; |
| 16 | for(int i=0;i<n;i++) scanf("%d",&arr[i]); |
| 17 | ans[0] = arr[0]; |
| 18 | for(int i=0;i<n;i++){ |
| 19 | if(arr[i]>ans[idx-1]){ |
| 20 | ans[idx++] = arr[i]; |
| 21 | } |
| 22 | else{ |
| 23 | int a = bs(0,idx-1,arr[i]); |
| 24 | ans[a] = arr[i]; |
| 25 | } |
| 26 | } |
| 27 | cout << idx; |
| 28 | |
| 29 | return 0; |
| 30 | } |