제출 #62454

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
62454	2018-07-28 13:57:05	evpipis	벽 (IOI14_wall)	C++11	100 / 100	1783 ms	205276 KiB

wall

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#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
//#define TEST
#define fi first
#define se second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair<int, int> ii;
const int len = 2e6, inf = 1e9;
ii tree[4*len];
void upd(ii &a, ii b){
    if (a.fi <= b.fi && b.se <= a.se)
        a = b;
    else if (b.fi < a.fi)
        a.se = min(a.se, b.se), a.fi = min(a.fi, b.se);
    else if (b.se > a.se)
        a.fi = max(a.fi, b.fi), a.se = max(a.se, b.fi);
}
void prop(int p, int l, int r){
    if (l == r) return;
    upd(tree[2*p], tree[p]);
    upd(tree[2*p+1], tree[p]);
 
 
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• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39