Submission #762678

#	Time	Username	Problem	Language	Result	Execution time	Memory
762678		lalig777	A Huge Tower (CEOI10_tower)	C++14	10 / 100	219 ms	7836 KiB

tower

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main (){
    int n, d;
    cin>>n>>d;
    vector<int>v(n);
    for (int i=0; i<n; i++) cin>>v[i];
    sort(v.begin(), v.end());
    vector<int>dp(n);
    vector<int>b(n);
    for (int i=0; i<n; i++){
        for (int j=i-1; j>=0; j--){
            if (v[i]<=v[j]+d) b[i]++;
            if (b[i]>1000000009) b[i]%=1000000009;
            else break;
        }
    }dp[0]=1;
    for (int i=1; i<n; i++) dp[i]=(dp[i-1]*(b[i]+1))%1000000009;
    cout<<dp[n-1]<<endl;
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
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• Subtask 11: 5 / 5
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• Subtask 20: 0 / 5