Submission #682321

#	Time	Username	Problem	Language	Result	Execution time	Memory
682321		smartmonky	Trading (IZhO13_trading)	C++14	100 / 100	270 ms	20720 KiB

trading

#include <bits/stdc++.h>
 
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long

using namespace std;

const int N = 3e5 + 1;
int t[N * 4], add[N * 4], ans[N * 4];
int lg, rg, x;
int n;
void push(int v, int tl, int tr){
	t[v] = max(t[v], add[v]);
	if(tl != tr){
		int mid = (tl + tr) >> 1;
		add[v * 2 + 1] = max(add[v * 2 + 1], add[v]);
		add[v * 2] = max(add[v * 2], add[v] - tr + mid);
	}
}

void update(int v = 1, int tl = 1, int tr = n){
	push(v, tl, tr);
	if(tl > rg || tr < lg)
		return;
	if(tl >= lg && tr <= rg){
		add[v] = max(add[v], x + tr - lg);
		push(v, tl, tr);
		return;
	}
	int mid = (tl + tr) >> 1;
	update(v * 2, tl, mid);
	update(v * 2 + 1, mid + 1, tr);
}
void get(int v = 1, int tl = 1, int tr = n){
	push(v, tl, tr);
	if(tl == tr){
		ans[tl] = t[v];
		return;	
	}else{
		int mid = (tl + tr) >> 1;
		get(v * 2, tl, mid);
		get(v * 2 + 1, mid + 1, tr);
	}
}
main(){
	ios_base::sync_with_stdio(0);
    cin.tie(0);
    int m;
    cin >> n >> m;
    for(int i = 0; i < m; i++){
		cin >> lg >> rg >> x;
		update();
	}
	get();
	for(int i = 1; i <= n; i++){
		cout << ans[i] <<" ";
	}
}
    

Compilation message (stderr)

trading.cpp:49:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   49 | main(){
      | ^~~~

• Subtask 1: 100 / 100