제출 #18616

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
18616	2016-02-12 13:46:23	mindol	벽 (IOI14_wall)	C++14	100 / 100	2597 ms	248220 KiB

wall

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#include<algorithm>
#include<vector>
using namespace std;
int res[1<<21];
struct Lazy{ int type,value; };
vector<Lazy> lazy[1<<22]; // type이 0이면 하한, 1이면 상한 설정.
int base=1<<21;
void check(int type,int value,int now)
{
    if(lazy[now].size()==0) lazy[now].push_back({type,value});
    else if(lazy[now].size()==1)
    {
        if(lazy[now][0].type==type)
        {
            if(lazy[now][0].type==0) lazy[now][0].value=max(lazy[now][0].value,value);
            else lazy[now][0].value=min(lazy[now][0].value,value);
        }
        else lazy[now].push_back({type,value});
    }
    else
    {
        if(lazy[now][0].type==0) // lazy[now][1].type은 1이다.
        {
            if(type==1) lazy[now][1].value=min(lazy[now][1].value,value);
            else
            {
                if(value >= lazy[now][0].value) lazy[now][0]=lazy[now][1], lazy[now][1]={type,value};
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 39 / 39