Submission #862601

#	Time	Username	Problem	Language	Result	Execution time	Memory
862601		Irate	Trading (IZhO13_trading)	C++14	100 / 100	197 ms	17488 KiB

trading

#include<bits/stdc++.h>
using namespace std;
struct SegmentTree{
    vector<int>sTree;
    vector<int>lazy;
    SegmentTree(int n){
        sTree.resize(4 * n);
        lazy.resize(4 * n);
    }
    void Propagate(int node, int l, int r){
        if(!lazy[node])return;
        if(l == r)sTree[node] = max(sTree[node], lazy[node]);
        if(l != r){
            lazy[node * 2] = max(lazy[node * 2], lazy[node]);
            lazy[node * 2 + 1] = max(lazy[node * 2 + 1], ((2 * lazy[node] + r - l) >> 1) + 1);
        }
        lazy[node] = 0;
    }
    void R_Update(int node, int l, int r, int ql, int qr, int x){
        Propagate(node, l, r);
        if(ql <= l && r <= qr){
            lazy[node] = x + l - ql;
            Propagate(node, l, r);
            return;
        }
        if(ql > r || l > qr)return;
        int mid = (l + r) >> 1;
        R_Update(node * 2, l, mid, ql, qr, x);
        R_Update(node * 2 + 1, mid + 1, r, ql, qr, x);
    }
    int Query(int node, int l, int r, int pos){
        Propagate(node, l, r);
        if(l == r)return sTree[node];
        int mid = (l + r) >> 1;
        if(pos <= mid)return Query(node * 2, l, mid, pos);
        return Query(node * 2 + 1, mid + 1, r, pos);
    }
};
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    SegmentTree tree(n);
    while(m--){
        int l, r, x;
        cin >> l >> r >> x;
        tree.R_Update(1, 1, n, l, r, x);
    }
    for(int i = 1;i <= n;++i){
        cout << tree.Query(1, 1, n, i) << " ";
    }
}

• Subtask 1: 100 / 100