Submission #122609

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
122609	2019-06-28 18:02:11	brcode	Wall (IOI14_wall)	C++14	0 / 100	228 ms	9976 KiB

wall

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#include <iostream>
#include "wall.h"
using namespace std;
struct node{
    int mn,mx;
};
const int MAXN = 4e6+5;
pair<int,int> lazy[4*MAXN];
int ans[MAXN];
int seg[4*MAXN];
void push(int curr,int l,int r){
    if(lazy[curr].first == -1e9 && lazy[curr].second == -1e9){
        return;
    }
    seg[curr] = max(seg[curr],lazy[curr].first);
    seg[curr] = min(seg[curr],lazy[curr].second);
    if(l!=r){
        auto a = lazy[2*curr];
        auto b = lazy[curr];
        if(b.second<=a.first){
            a = make_pair(b.second,b.second);
        }else if(b.first>=a.second){
            a = make_pair(b.first,b.first);
        }else{
            a.first = max(a.first,b.first);
            a.second = max(a.second,b.second);
        }
        lazy[2*curr] = a;
        a= lazy[2*curr+1];
        b = lazy[curr];
 
 
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• Subtask 1: 0 / 8
• Subtask 2: 0 / 24
• Subtask 3: 0 / 29
• Subtask 4: 0 / 39