#305009 (C++14) No.601 Midpoint Erase

• 問題: No.601 Midpoint Erase
• ユーザー: daleksprinter
• 提出日時: 2018-12-18 18:11:12
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 23 ms / 2,000 ms
• コード長: 2,397 bytes
• コンパイル時間: 1,475 ms
• コンパイル使用メモリ: 168,624 KB
• 実行使用メモリ: 6,944 KB
• 最終ジャッジ日時: 2024-09-25 07:45:30
• 合計ジャッジ時間: 3,079 ms
• ジャッジサーバーID （参考情報）: judge1 / judge5

ファイルパターン	結果
sample	AC * 3
other	AC * 23

ソースコード

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#include "bits/stdc++.h"
using namespace std;
/* macro */
#define rep(i,a,b) for(int i=a;i<b;i++)
#define revrep(i,a,b) for(int i = a; i > b; i--)
#define int long long
#define exist(s,e) ((s).find(e)!=(s).end())
#define all(v) (v).begin(), (v).end()
#define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++)
#define sum(v) accumulate(all(v), (0LL))
#define pb push_back
/* alias */
template<class T> using vec = vector<T>;
typedef vector<int> vi;
typedef pair<int, int> pi;
/* constant */
const int inf = pow(2, 62);
const int mod = 1e9 + 7;
int dx[8]={1,0,-1,0,-1,1,-1,1};
int dy[8]={0,1,0,-1,-1,-1,1,1};
const string alpha = "abcdefghijklmnopqrstuvwxyz";
/* io_method */
int input(){int tmp;cin >> tmp;return tmp;}
string raw_input(){string tmp;cin >> tmp;return tmp;}
string readline(){string s;getline(cin, s);return s;}
template<class T> void printx(T n){cout << n;}
template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";}
template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";}
template<class T> void print(T n){printx(n);cout << endl;}
template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;}
template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << 
    endl;}
/* general_method */
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
/* main */
int mod_pow(int x, int n, int m){if(n== 0) return 1;int res = mod_pow(x*x%m,n/2,m);if(n&1) res = res*x%m;return res;}
signed main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int ee = 0;
    int eo = 0;
    int oe = 0;
    int oo = 0;
    int n = input();
    rep(i,0,n){
        int x, y; cin >> x >> y;
        if(x % 2 == 0 && y % 2 == 0){
            ee++;
        }else if(x % 2 == 1 && y % 2 == 0){
            oe++;
        }else if(x % 2 == 0 && y % 2 == 1){
            eo++;
        }else{
            oo++;
        }
    }
    if((ee/2 + eo/2 + oe/2 + oo/2) % 2 == 0){
        print("Bob");
    }else{
        print("Alice");
    }
    
    
    
    
    
}
 
 
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