Submission #1159862

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1159862	2025-03-01 09:00:14	itslq	3D Histogram (COCI20_histogram)	C++20	20 / 110	2595 ms	50244 KiB

histogram

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#include <bits/stdc++.h>
#define int long long
using namespace std;
vector<int> A(2005), B(2005);
struct node {
    node *lc, *rc;
    int l, r, m, v;
    long long dv = 0;
    
    node(int S, int E) {
        l = S;
        r = E;
        m = (l + r) / 2;
        if (l == r) {
            v = A[l];
        } else {
            lc = new node(l, m);
            rc = new node(m + 1, r);
            v = min(lc -> v, rc -> v);
        }
    }
    
    int query(int S, int E) {
        if (l == S && r == E) return v + dv;
        if (E <= m) return lc -> query(S, E) + dv;
        if (S > m) return rc -> query(S, E) + dv;
        return min(lc -> query(S, m), rc -> query(m + 1, E)) + dv;
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 0 / 90