Submission #1361595

#	Time	Username	Problem	Language	Result	Execution time	Memory
1361595		tarjanmici	Global Warming (CEOI18_glo)	C++20	38 / 100	2095 ms	1960 KiB

glo

#include<bits/stdc++.h>
using namespace std;

int main(){
    int n, x;
    cin>>n>>x;
    vector<int> t(n+1);
    for(int i=1;i<=n;i++) cin>>t[i];
    int ans=0;
    if(x!=0){
        for(int i=1;i<=n;i++){
            vector<int> dp(n+1, INT_MAX);
            int curr=0;
            for(int j=1;j<=n;j++){
                int val=t[j];
                if(j<=i)val-=x;
                int c=lower_bound(dp.begin(), dp.end(), val)-dp.begin();
                dp[c]=val;
                curr=max(curr, c+1);
            }
            ans=max(ans, curr);
        }
    }
    else{
        vector<int> dp(n+1, INT_MAX);
        for(int j=1;j<=n;j++){
            int val=t[j];
            int c=lower_bound(dp.begin(), dp.end(), val)-dp.begin();
            dp[c]=val;
            ans=max(ans, c+1);
        }
    }
    cout<<ans<<'\n';
}

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