Submission #1048904

#	Time	Username	Problem	Language	Result	Execution time	Memory
1048904		matere	Global Warming (CEOI18_glo)	C++14	0 / 100	47 ms	4692 KiB

glo

#include<bits/stdc++.h>
using namespace std;
pair<int,int>step[200005];
int a[200005],d[200005];
int main(){
    int n,x;
    cin>>n>>x;
    if(x!=0) assert(0);
    d[0]=-2e9;
    for(int i=1;i<=n;i++){
        d[i]=2e9;
        cin>>a[i];
        int l=0,r=n+1;
        while(l+1<r){
            int mid=(l+r)/2;
            if(d[mid]<a[i]) l=mid;
            else r=mid;
        }
        l++;
        if(d[l]>a[i]){
            step[i]={l,d[l]};
            d[l]=a[i];
        }
    }
    d[n+1]=2e9;
    for(int i=1;i<=n+1;i++){
        // cout<<i<<' '<<d[i]<<endl;
        if(d[i]==2e9){
            cout<<i-1;
            break;
        }
    }
}

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