Submission #682176

#	Time	Username	Problem	Language	Result	Execution time	Memory
682176		smartmonky	Trading (IZhO13_trading)	C++14	0 / 100	1 ms	340 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 * 3], add[N * 3], par[N * 3];
int lg, rg, x;
int n;
void push(int v, int tl, int tr){
	t[v] = max(t[v], add[v]);
	if(tl == tr || add[v] == 0){
		add[v] = 0;
		return;
	}
	int mid = (tl + tr) >> 1;
	par[v * 2 + 1] = par[v * 2] = v;
	add[v * 2 + 1] = max(add[v * 2 + 1], add[v]);
	add[v * 2] = max(add[v * 2], x + (mid - lg));
	add[v] = 0;
}

void update(int v = 1, int tl = 1, int tr = n){
	push(v, tl, tr);
	//cout << add[v] <<" " << tl <<"-" << tr << endl;
	if(tl > rg || tr < lg)
		return;
	if(tl >= lg && tr <= rg){
		//cout << tl <<"=" << tr << endl;
		add[v] = max(add[v], x + (tr - lg));
		push(v, tl, tr);
		//cout << t[v] <<"-" << add[v * 2] <<"-" << add[v * 2 + 1] << endl;
		return;
	}
	//cout << tl <<"-" << tr << endl;
	int mid = (tl + tr) >> 1;
	update(v * 2, tl, mid);
	update(v * 2 + 1, mid + 1, tr);
}
int get(int v = 1, int tl = 1, int tr = n){
	push(v, tl, tr);
	//cout << par[v] <<" " << tl <<"-" << tr << endl;
	if(tl > rg || tr < lg)
		return 0;
	if(tl >= lg && tr <= rg){
		//cout << add[v]<< endl;
		return t[v];
	}else{
		int mid = (tl + tr) >> 1;
		return ( 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();
	}
	for(int i = 1; i <= n; i++){
		lg = i, rg = i;
		int x = get();
		cout << x <<" ";
	}
}
    

Compilation message (stderr)

trading.cpp:59:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   59 | main(){
      | ^~~~

• Subtask 1: 0 / 100