Submission #89387

#	Time	Username	Problem	Language	Result	Execution time	Memory
89387		turbat	Trading (IZhO13_trading)	C++14	100 / 100	503 ms	40632 KiB

trading

#include <bits/stdc++.h>
using namespace std;
#define N 300005
int n, m, l, r, x, seg[4 * N], ans[N];
void update(int node, int L, int R, int l, int r){
    if (L > r || l > R) return;
    if (l <= L && r >= R){
        seg[node] = max(seg[node], x);
        return;
    }
    int mid = (L + R)/2;
    update(node * 2, L, mid, l, r);
    update(node * 2 + 1, mid + 1, R, l, r);
}
void res(int node, int l, int r){
    if (l == r){
        ans[l] = seg[node];
        return;
    }
    int mid = (l + r)/2;
    seg[node * 2] = max(seg[node], seg[node * 2]);
    res(node * 2, l, mid);
    seg[node * 2 + 1] = max(seg[node], seg[node * 2 + 1]);
    res(node * 2 + 1, mid + 1, r);
}
int main (){
    cin >> n>> m;
    for (int i = 0;i < 4 * n;i++) seg[i] = -1e9;
    while (m--){
        cin >> l>> r>> x;
        x -= (l - 1);
        update(1, 1, n, l, r);
    }
    res(1, 1, n);
    for (int i = 0;i < n;i++)
        cout << max(ans[i + 1] + i, 0)<<" ";
}

• Subtask 1: 100 / 100