Submission #1170991

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1170991	2025-03-20 11:24:54	kiennguyendinh	K blocks (IZhO14_blocks)	C++20	53 / 100	1095 ms	2224 KiB

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#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
int n,k;
int a[1000005];
int rmq[1000005][20];
long long dp[101][1000005];
int get(int l,int r){
    int v = __lg(r - l + 1);
    return max(rmq[l][v],rmq[r - (1 << v) + 1][v]);
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> k;
    for(int i = 1;i <= n;i++){
        cin >> a[i];
        rmq[i][0] = a[i];
        dp[0][i] = 0;
    }
    for(int k = 1;(1 << k) <= n;k++){
        for(int i = 1;i + (1 << k) - 1 <= n;i++){
           rmq[i][k] = max(rmq[i][k - 1],rmq[i + (1 << (k - 1))][k - 1]);
        }
    }
    for(int i = 1;i <= n;i++){
        dp[1][i] = get(1,i);
    }
    for(int j = 2;j <= k;j++){
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 0 / 47