Submission #960616

#	Time	Username	Problem	Language	Result	Execution time	Memory
960616		HossamHero7	Global Warming (CEOI18_glo)	C++14	28 / 100	2090 ms	3928 KiB

glo

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
const int N = 2e5 + 5;
int dp[N][2];
void solve(){
    ll n,x;
    cin>>n>>x;
    vector<ll> v(n);
    for(int i=0;i<n;i++) cin>>v[i];
    for(int i=n-1;i>=0;i--){
        for(int j=0;j<2;j++){
            for(int k=i+1;k<n;k++){
                if(v[k] > v[i]){
                    dp[i][j] = max(dp[i][j] , dp[k][j] + 1);
                }
            }
            if(!j){
                for(int k=i+1;k<n;k++){
                    if(v[k] > v[i]-x){
                        dp[i][j] = max(dp[i][j] , dp[k][1] + 1);
                    }
                }
            }
        }
    }
    int ans = 0;
    for(int i=0;i<n;i++){
        ans = max(ans, dp[i][0] + 1);
    }
    cout<<ans<<endl;
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 13 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25