제출 #122473

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
122473	2019-06-28 11:14:33	neki	늑대인간 (IOI18_werewolf)	C++14	15 / 100	4049 ms	297956 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
#define maxn 200010
#define loop(i, a, b) for(int i=a;i<b;i++)
#define cc(a) cout<< a << endl;
using namespace std;
struct seg{
    map<int, map<int, bool>> tree;
    void update(int x, int y){
        x+=maxn;y+=maxn;
        tree[x][y]=1;
        for(int tx=x;tx>=1;tx>>=1){
            for(int ty=y;ty>=1;ty>>=1) tree[tx][ty]=1;
        }
    }
    bool query(int lx, int ly, int rx, int ry){
        bool ret=0;
        lx+=maxn;ly+=maxn;rx+=maxn;ry+=maxn;
        int slx=lx; int srx=rx;
        for(;slx<srx;slx>>=1, srx>>=1){
            if(slx&1){
                int sly=ly; int sry=ry;
                for(;sly<sry;sly>>=1, sry>>=1){
                    if(sly&1) ret=ret or tree[slx][sly++];
                    if(sry&1) ret=ret or tree[slx][--sry];
                }
                slx++;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51