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Submission #1096361

# Submission time Handle Problem Language Result Execution time Memory
1096361 2024-10-04T11:00:49 Z talabuado Global Warming (CEOI18_glo) C++14
0 / 100
 104 ms 15952 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define ll long long
#define pb push_back
#define int long long
const int N=1e5+5;
int n,k,ans,res,a[N];
int f[N];
int st[4*N];
int mod = 1e9;
map <int ,int > mp;
void update (int id , int l, int r ,int pos ,int val){
    if(l> pos || r <  pos){
        return;
    }
    if (l==r){
        st[id] = val;
        return;
    }
    int m=(l+r)/2;
    update(id *2 , l , m , pos , val);
    update (id*2 +1 , m+1 , r , pos , val);
    st[id] =max ( st[id*2],st[id*2 +1]);
}
int get(int id , int l ,int r ,int u , int v){
    if ( v < l || u >r ){
        return 0;
    }
    if(u<= l && r <=v){
        return st[id];
    }
    int m = (l+r)/2;
    return max(get(id*2 , l ,m, u ,v),
               get(id*2+1 , m+1 , r , u ,v));
}
signed main (){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1; i<=n;i++){
        cin>>a[i];
        mp[a[i]]=1 ;
    }
    int m=0;
    for(auto v : mp){
        mp[v.fi]=++m;
    }
    for(int i=1 ; i<=n;i++){
        a[i]= mp[a[i]];
        m=max(m,a[i]);
    }
    update(1 ,1 ,n, a[1] , 1);
    for(int i=2  ; i<=n;i++){
//         f[a[i]]=1;
        update( 1,1 ,n ,a[i],1);
//        for(int j=1 ; j<a[i] ; j++){
//            f[a[i]]= max( f[a[i]] ,f[j] +1);
//        }
         int ad = get (1 ,1 ,n,1 , a[i]-1)+1;
         update(1,1 ,n , a[i] , ad);
    }
    cout<<get(1,1,n,1,n); 
//    for(int i=1 ; i<=n;i++) cout<<a[i]<<' ';

}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 37 ms 15952 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 53 ms 5240 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 104 ms 10324 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -