제출 #168544

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
168544		muhammad_hokimiyon	거래 (IZhO13_trading)	C++14	100 / 100	297 ms	20984 KiB

trading

#include <bits/stdc++.h>

#pragma GCC optimize("Ofast")

#define fi first
#define se second
#define ll long long

using namespace std;

const int N = 4e5 + 7;
const int mod = 1e9 + 7;

int n,q;
int l[N];
int r[N];
int z[N];
int lz[4 * N];
int t[4 * N];

void push( int x )
{
    if( lz[x] == -1e9 )return;
    t[x * 2] = max( t[x * 2] , lz[x] );
    t[x * 2 + 1] = max( t[x * 2 + 1] , lz[x] );
    lz[x * 2] = max( lz[x * 2] , lz[x] );
    lz[x * 2 + 1] = max( lz[x * 2 + 1] , lz[x] );
    lz[x] = -1e9;
}

void upd( int x , int l , int r , int tl , int tr , int val )
{
    if( tl > tr )return;
    if( l == tl && r == tr ){
        t[x] = max( t[x] , val );
        lz[x] = max( lz[x] , val );
        return;
    }
    int m = (l + r) / 2;
    push(x);
    upd( x * 2 , l , m , tl , min(tr , m) , val );
    upd( x * 2 + 1 , m + 1 , r , max(tl , m + 1) , tr , val );
}

int get( int x , int l , int r , int pos )
{
    if( l == r ){
        return t[x];
    }
    int m = (l + r) / 2;
    push(x);
    if( m >= pos )return get( x * 2 , l , m , pos );
    else return get( x * 2 + 1 , m + 1 , r , pos );
}

void solve()
{
    cin >> n >> q;
    for( int i = 1; i <= 4 * n; i++ ){
        t[i] = lz[i] = -1e9;
    }
    for( int i = 1; i <= q; i++ ){
        cin >> l[i] >> r[i] >> z[i];
        z[i] -= l[i];
        upd( 1 , 1 , n , l[i] , r[i] , z[i] );
    }
    for( int i = 1; i <= n; i++ ){
        int ans = get( 1 , 1 , n , i );
        if( ans == -1e9 )ans = -i;
        cout << ans + i << " ";
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen( "input.txt" , "r" , stdin );
    //freopen( "output.txt" , "w" , stdout );

    int t = 1;//cin >> t;
    while( t-- ){
        solve();
    }
}

• Subtask 1: 100 / 100