Submission #47548

#	Time	Username	Problem	Language	Result	Execution time	Memory
47548		tieunhi	Trading (IZhO13_trading)	C++14	100 / 100	315 ms	26476 KiB

trading

#include <bits/stdc++.h>
#define pii pair<int, int>
#define mp make_pair
#define F first
#define S second
#define PB push_back
#define mid (r + l)/2
#define N 300005
#define maxc 1000000007

using namespace std;

int n, m;

struct IntervalTree
{
    int t[N << 2];
    void build()
    {
        for (int i = 0; i < (N << 2); i++)
            t[i] = -maxc;
    }
    void update(int l, int r, int id, int x, int y, int val)
    {
        if (l > y || r < x) return;
        if (l >= x && r <= y)
        {
            t[id] = max(t[id], val);
            return;
        }
        update(l, mid, id*2, x, y, val);
        update(mid+1, r, id*2+1, x, y, val);
    }
    int get(int l, int r, int id, int x)
    {
        if (l > x || r < x) return -maxc;
        if (l == r)
            return t[id];
        int z = t[id];
        int a = get(l, mid, id*2, x);
        int b = get(mid+1, r, id*2+1, x);
        return max({z, a, b});
    }
}t;
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("INP.TXT", "r", stdin);
    cin >> n >> m;
    t.build();
    for (int i = 1; i <= m; i++)
    {
        int u, v, w; cin >> u >> v >> w;
        w -= (u-1);
        t.update(1, n, 1, u, v, w);
    }
    for (int i = 1; i <= n; i++)
    {
        int res = t.get(1, n, 1, i);
        if (res == -maxc) cout <<0<<" ";
        else cout <<t.get(1, n, 1, i) + i - 1<<" ";
    }
}

• Subtask 1: 100 / 100