제출 #682199

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
682199		smartmonky	거래 (IZhO13_trading)	C++14	0 / 100	0 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 * 4], add[N * 4], par[N * 4];
int lg, rg, x;
int n;
void push(int v, int tl, int tr){
	if(tl == tr || add[v] == 0){
		t[v] = max(t[v], add[v]);
		add[v] = 0;
		return;
	}
	t[v] = max(t[v], add[v]);
	int mid = (tl + tr) >> 1;
	add[v * 2 + 1] = add[v];
	add[v * 2] = add[v] - tr + mid;
	t[v * 2] = max(t[v * 2], add[v * 2]);
	t[v * 2 + 1] = max(t[v * 2 + 1], add[v * 2 + 1]);
	add[v] = 0;
}

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){
		//cout << tl <<"=" << tr << endl;
		add[v] = max(add[v], x + (tr - lg));
		push(v, tl, tr);
		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);

	if(tl > rg || tr < lg)
		return 0;
	if(tl >= lg && tr <= rg){
		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 <<" ";
	}
}
    

컴파일 시 표준 에러 (stderr) 메시지

trading.cpp:58:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   58 | main(){
      | ^~~~

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