Submission #1169554

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169554	2025-03-19 01:23:25	lighton	Game (APIO22_game)	C++20	2 / 100	23 ms	47408 KiB

game

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 #include "game.h"
#include <bits/stdc++.h>
#define forf(i,a,b) for(int i = a; i<=b; i++)
#define forb(i,b,a) for(int i = b; i>=a; i--)
using namespace std;
int N,K;
int S[1000001][21];
vector<int> adj[1000001],radj[1000001];
void dnc(int dep, int s, int e){
    if(s>e) return;
    int m = s+e>>1;
    forf(i,2*s,2*m) S[i][dep] = 1;
    forf(i,2*m+1,2*e+1) S[i][dep] = 2;
    dnc(dep+1,s,m-1), dnc(dep+1,m+1,e);
}
void forward(int now){
    for(auto i : adj[now]){
        int p = 0;
        while(p<20 && S[now][p] == S[i][p]) p++;
        if((S[now][p]&2) && S[i][p] == 0) S[i][p] = 2, forward(i);
        assert(!((S[now][p]&2) && (S[i][p]&1)));
    }
}
void backward(int now){
    for(auto i : radj[now]){
        int p = 0;
        while(p<20 && S[now][p] == S[i][p]) p++;
        if((S[now][p]&1) && S[i][p] == 0) S[i][p] = 1, backward(i);
        assert(!((S[now][p]&1) && (S[i][p]&2)));
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40