Submission #964016

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
964016	2024-04-16 07:53:04	owoovo	Joker (BOI20_joker)	C++17	100 / 100	251 ms	65732 KiB

Joker

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#include<bits/stdc++.h>
#pragma GCC opitimize("O3,unroll-loops")
#define ll long long
#define F first 
#define S second
using namespace std;
vector<pair<int,int>> node[800010];
vector<pair<int,int>> edge;
int cnt,R,U;
int ans[200010];
struct Dsu{
    int ori[400100],si[400100];
    stack<pair<pair<int,int>,int>> move;
    inline void init(){
        for(int i=0;i<=400050;i++)ori[i]=i,si[i]=1;
        while(!move.empty())move.pop();
    }
    inline int f(int a){
        return ori[a]==a?a:f(ori[a]);
    }
    inline bool onion(int a,int b,int id){
        a=f(a),b=f(b);
        if(a==b)return false;
        if(si[a]>si[b])swap(a,b);
        ori[a]=b;
        si[b]+=si[a];
        move.push({{a,b},id});
        return true;
    }
    inline void undo(){
 
 
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Compilation message (stderr)

Joker.cpp:2: warning: ignoring '#pragma GCC opitimize' [-Wunknown-pragmas]
    2 | #pragma GCC opitimize("O3,unroll-loops")
      |

• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 25 / 25
• Subtask 4: 10 / 10
• Subtask 5: 22 / 22
• Subtask 6: 29 / 29