제출 #961812

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
961812	2024-04-12 13:41:36	ASN49K	Topovi (COCI15_topovi)	C++14	120 / 120	1101 ms	33556 KiB

topovi

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(),x.end()
#define LINE 0
#define COLOUMN 1
using i64=long long;
map<int,int>value[2],cnt[2];
map<pair<int,int>,int>mpp;
int n;
i64 cost;
void add(int poz,int val,bool tip)
{
    cost-=(n-cnt[tip^1][value[tip][poz]]);
    cnt[tip][value[tip][poz]]--;
    value[tip][poz]^=val;
    cnt[tip][value[tip][poz]]++;
    cost+=(n-cnt[tip^1][value[tip][poz]]);
}
void change(int l1,int r1,int l2,int r2)
{
    int vall=mpp[make_pair(l1,r1)];
    add(l1,vall,LINE);
    add(r1,vall,COLOUMN);
 
 
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• Subtask 1: 120 / 120