/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>
using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define endl '\n'
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
cout<<(x?"YES":"NO")<<endl;
}
vector<int>a(100005);
struct segtree{
vector<ll>tree;
int size;
void init(int n){
size=n;
tree.assign(n*4+5,0);
}
void set(int l,int r,int p,int i,int v){
if(l>r){
return;
}
if(l==r){
tree[p]=v;
return;
}
int mid=(l+r)/2;
if(i>mid){
set(mid+1,r,p*2+1,i,v);
}
else{
set(l,mid,p*2,i,v);
}
tree[p]=max(tree[p*2],tree[p*2+1]);
}
void set(int i,int v){
set(1,size,1,i,v);
}
int query(int l,int r,int p,int l_q,int r_q){
if(l>=l_q && r<=r_q){
return tree[p];
}
if(r<l_q || l>r_q){
return 0;
}
int mid=(l+r)/2;
return max(query(l,mid,p*2,l_q,r_q),query(mid+1,r,p*2+1,l_q,r_q));
}
int query(int l,int r){
return query(1,size,1,l,r);
}
};
map<int,bool>vis;
vector<int> LIS(vector<int>p){
vector<int>arr;
for(auto i:p){
if(!vis[i])arr.push_back(i);
}
segtree s;
s.init(p.size());
int n=arr.size();
int next[p.size()+1]={},dp[p.size()+1]={};
vector<set<int>>d(p.size()+1);
for(int i=n-1;i>=0;i--){
int mx=s.query(arr[i],p.size());
if(!mx){
next[arr[i]]=arr[i];
dp[arr[i]]=1;
s.set(arr[i],1);
d[1].insert(arr[i]);
}
else{
next[arr[i]]=*(d[mx].upper_bound(arr[i]));
dp[arr[i]]=dp[next[arr[i]]]+1;
s.set(arr[i],dp[arr[i]]);
d[dp[arr[i]]].insert(arr[i]);
}
}
int i=*(d[s.query(1,p.size())].begin());
if(i==0){
return {};
}
vector<int>v;
v.push_back(i);
vis[i]=1;
while(next[i]!=i){
i=next[i];vis[i]=1;
v.push_back(i);
}
return v;
}
void run(){
#ifndef ONLINE_JUDGE
freopen("input.in", "r", stdin);
freopen("output.out", "w", stdout);
#endif
}
int main()
{
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
fast
run();
int n;cin>>n;
vector<int>arr(n);
map<int,int>mp;
int j=1;
for(auto &i:arr)cin>>i,mp[i]=j++;
int lis=LIS(arr).size();
for(auto i:arr)vis[i]=0;
int cnt=0;
vector<vector<int>>ans;
while(1){
vector<int>v=LIS(arr);
if(v.size()==lis){
cnt++;
ans.push_back(v);
}
else{
break;
}
}
cout<<cnt<<" "<<lis<<endl;
for(auto i:ans){
for(auto j:i)cout<<mp[j]<<" ";
cout<<endl;
}
return 0;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:142:14: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
142 | if(v.size()==lis){
| ~~~~~~~~^~~~~
Main.cpp: In function 'void run()':
Main.cpp:121:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
121 | freopen("input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:122:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
122 | freopen("output.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1045 ms |
7888 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1045 ms |
7888 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1045 ms |
7888 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
