Submission #49779

#	Time	Username	Problem	Language	Result	Execution time	Memory
49779		mra2322001	Trading (IZhO13_trading)	C++14	100 / 100	474 ms	68224 KiB

trading

#include <bits/stdc++.h>
#define f0(i, n) for(int i(0); i<(n); i++)
#define f1(i, n) for(int i(1); i<=(n); i++)

using namespace std;
typedef long long ll;
const int N = 300002;

int n, lazy[N*4], lo, hi, price;
int t[4*N];

void push(int k, int l, int r){
    int x = lazy[k];
    if(!x) return ;
    t[k] = max(t[k], x);
    lazy[k] = 0;
    if(l != r){
        int m = (l + r)/2;
        /// l
        lazy[k << 1] = max(lazy[k << 1], x);
        /// m + 1
        lazy[k << 1 | 1] = max(lazy[k << 1 | 1], x+ m - l + 1);
    }
}

void up(int k, int l, int r){
    push(k, l, r);
    if(r < lo || l > hi) return ;
    if(l >= lo && r <= hi){
        lazy[k] = max(price + l - lo, lazy[k]);
        push(k, l, r);
        return ;
    }
    int m = (l + r)/2;
    up(k << 1, l, m);
    up(k << 1 | 1, m + 1, r);
    t[k] = max(t[k << 1], t[k << 1 | 1]);
}

int get1(int k, int l, int r, int i){
    push(k, l, r);
    if(l==r) return t[k];
    int m = (l + r)/2;
    if(i >= l && i <= m) return get1(k << 1, l, m, i);
    return get1(k << 1 | 1, m + 1, r, i);
}

int main(){
    ios_base::sync_with_stdio(0);

    int q; cin >> n >> q;
    while(q--){
        cin >> lo >> hi >> price;
        up(1, 1, n);
    }
    f1(i, n) cout << get1(1, 1, n, i) << " ";
}

• Subtask 1: 100 / 100