Submission #81812

#	Time	Username	Problem	Language	Result	Execution time	Memory
81812		mra2322001	Trading (IZhO13_trading)	C++14	0 / 100	2 ms	376 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;

struct data{
    int ma;
} t[4*N];

int n, m;

void push(int k, int l, int r){
    int mid = (l + r)/2;
    if(l==r) return ;
    t[k*2].ma = max(t[2*k].ma, t[k].ma);
    t[k*2 + 1].ma = max(t[k].ma, t[k].ma + mid - l + 1);
}
void up(int k, int l, int r, int i, int j, int x){
    push(k, l, r);
    if(r < i || l > j) return ;
    if(l >= i && r <= j){
        int now = x + l - i;
        t[k].ma = max(t[k].ma, now);
        push(k, l, r);
        return ;
    }
    int mid = (l + r)/2;
    up(k*2, l, mid, i, j, x);
    up(k*2 + 1, mid + 1, r, i, j, x);
}
int get1(int k, int l, int r, int i){
    push(k, l, r);
    if(l==r) return t[k].ma;
    int mid = (l + r)/2;
    if(i <= mid) return get1(k*2, l, mid, i);
    return get1(k*2 + 1, mid + 1, r, i);
}

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

    cin >> n >> m;
    f1(i, 4*n) t[i].ma = INT_MIN;
    while(m--){
        int l, r, x; cin >> l >> r >> x;
        up(1, 1, n, l, r, x);
    }
    f1(i, n) cout << get1(1, 1, n, i) << " ";
}

• Subtask 1: 0 / 100