Submission #1043730

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043730		Malix	Game (IOI14_game)	C++14	100 / 100	771 ms	66728 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;
typedef vector<ll> li;
typedef vector<li> lii;
 
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))
 
ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

int n;
vector<set<int>> a;
vi p;

void initialize(int N) {
    n=N;
    a.resize(n);p.resize(n);
    REP(i,0,n)REP(j,0,i)a[i].insert(j);
    REP(i,1,n)p[i]=i-1;
    p[0]=0;
}

int hasEdge(int u, int v) {
    if(u<v)swap(u,v);
    if(p[u]!=v){
        a[u].erase(v);
        return 0;
    }
    for(auto k:a[u])if(k!=v){
        p[u]=k;
        a[u].erase(v);
        return 0;
    }
    return 1;
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 58 / 58