Submission #690524

#	Time	Username	Problem	Language	Result	Execution time	Memory
690524		Kaztaev_Alisher	Trading (IZhO13_trading)	C++17	0 / 100	5 ms	7380 KiB

trading

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define aint(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 300005 , inf = 2e9 + 7;
const ll INF = 1e18 , mod = 1e9+7 , P = 6547;	
 
int n , q;
vector<pair<int,int>> v[N];
int t[N*4] , u[N*4];
void push(int v , int tl , int tr){
	if(tl == tr || u[v] == 0) return;
	t[v*2] += u[v];
	t[v*2+1] += u[v];
	u[v*2] += u[v];
	u[v*2+1] += u[v];
	u[v] = 0;
}
void upd(int v , int tl , int tr , int pos , int val){
	push(v,tl,tr);
	if(tl == tr){
		t[v] = val;
		return;
	}
	int tm = (tl+tr) >> 1;
	if(pos <= tm) upd(v*2,tl,tm,pos,val);
	else upd(v*2+1,tm+1,tr,pos,val);
	t[v] = max(t[v*2] , t[v*2+1]);
}
 
void solve(){
	cin >> n >> q;
	while(q--){
		int l , r , x;
		cin >> l >> r >> x;
		v[l].push_back({1 , x});
		v[r+1].push_back({0 , l});
	}
	u[1] = -inf;
	t[1] = -inf;
	for(int i = 1; i <= n; i++){
		sort(aint(v[i]));
		for(pair<int,int> x : v[i]){
			if(x.F == 1) upd(1,1,n,i,x.S);
			else upd(1,1,n,x.S,-inf);
		}
		cout << max(t[1] , 0) <<" ";
		t[1]++;
		u[1]++;
	}
}
/*
 
*/
signed main(){
	ios;
	file("trading");
	solve();
	return 0;
}

Compilation message (stderr)

trading.cpp: In function 'int main()':
trading.cpp:4:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
trading.cpp:64:2: note: in expansion of macro 'file'
   64 |  file("trading");
      |  ^~~~
trading.cpp:4:77: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
trading.cpp:64:2: note: in expansion of macro 'file'
   64 |  file("trading");
      |  ^~~~

• Subtask 1: 0 / 100