結果
| 問題 | No.103 素因数ゲーム リターンズ |
| コンテスト | |
| ユーザー |
xxxasdfghjk
|
| 提出日時 | 2018-09-12 01:07:26 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,410 bytes |
| コンパイル時間 | 974 ms |
| コンパイル使用メモリ | 89,580 KB |
| 実行使用メモリ | 13,640 KB |
| 最終ジャッジ日時 | 2024-06-24 20:17:47 |
| 合計ジャッジ時間 | 1,953 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 WA * 1 |
| other | AC * 16 WA * 4 |
コンパイルメッセージ
main.cpp: In function ‘int ncrset()’:
main.cpp:54:1: warning: no return statement in function returning non-void [-Wreturn-type]
54 | }
| ^
ソースコード
#include<cstdio>
#include<queue>
#include<utility>
#include<cstring>
#include<stack>
#include<algorithm>
#include<cmath>
#include<iostream>
#include<map>
#define MAX_N 100001
#define INF 2147483647
#define REP(i,n) for(int i=0;i<(int)(n);i++)
void init(int n);
int find(int n);
void unite(int x,int y);
bool same(int x, int y);
int dx[4] = {1,0,0,-1};
int dy[4] = {0,1,-1,0};
using namespace std;
typedef long long int ll;
struct edge{
int from,to,cost;
};
typedef vector<vector<edge> > AdjList;
AdjList graph;
typedef pair<int , int> P;
bool comp(const edge& e1, const edge& e2){
return e1.cost < e2.cost;
}
int E,V;
edge es[100001];
int kruskal(){
sort(es,es+E,comp);
init(V);
int res = 0;
for(int i=0;i<E;i++){
edge e = es[i];
if(!same(e.to,e.from)){
unite(e.to,e.from);
res += e.cost;
}
}
return res;
}
long long int MOD = 1000000007;
long long int ruiseki[200001];
int ncrset(){
ruiseki[0] = 1;
for(int i=1;i<200001;i++){
ruiseki[i] = (ruiseki[i-1] * i) % MOD;
}
}
long long int powld(long long int x,long long int n){
long long int ans = 1;
while(n > 0){
if((n&1) == 1){
ans = (ans*x) % MOD;
}
x = (x*x) % MOD;
n >>= 1;
}
return ans % MOD;
}
int ncrgyaku(int n,int r){
long long int gyakuk,gyakur;
long long int res = 1,x,y,z;
y = powld(ruiseki[r],MOD-2);
z = powld(ruiseki[n-r],MOD-2);
return (((ruiseki[n]*y) % MOD)*z) % MOD;
}
int dp[1000][1000][2];
bool solve(int one,int two,int turn){
if(dp[one][two][turn] != -1)
return dp[one][two][turn];
if(one == 0 && two == 0)
return 1-turn;
if(turn){
if((one > 0) && (two > 0))
return dp[one][two][turn] = solve(one-1,two,1-turn) || solve(one+1,two-1,1-turn) || solve(one,two-1,1-turn);
else if((one == 0) && (two > 0)){
return dp[one][two][turn] = solve(one+1,two-1,1-turn) || solve(one,two-1,1-turn);
}else{
return dp[one][two][turn] = solve(one-1,two,1-turn);
}
}else{
if(one > 0 && two > 0)
return dp[one][two][turn] = solve(one-1,two,1-turn) && solve(one+1,two-1,1-turn) && solve(one,two-1,1-turn);
else if(one == 0 && two > 0){
return dp[one][two][turn] = solve(one+1,two-1,1-turn) && solve(one,two-1,1-turn);
}else{
return dp[one][two][turn] = solve(one-1,two,1-turn);
}
}
}
int main()
{
REP(i,1000)REP(j,1000)REP(k,2)dp[i][j][k] = -1;
int N,M[101],one=0,two=0;
cin >> N;
REP(i,N)cin >> M[i];
for(int i=0;i<N;i++){
vector<int> v(0);
for(int k=2;M[i]!=1;k++){
while(M[i] % k==0){
v.push_back(k);
M[i] /= k;
}
}
map<int,int> mp;
for(int j=0;j<v.size();j++)
mp[v[j]]++;
if(v.size() > 0)
v.erase((unique(v.begin(),v.end())),v.end());
REP(i,v.size()){
two += mp[v[i]]/2;
one += mp[v[i]]%2;
}
}
cout << (solve(one,two,1) ? "Alice": "Bob") << endl;
return 0;
}
int par[MAX_N];
int ranks[MAX_N];
//n要素で初期化
void init(int n){
REP(i,n){
par[i] = i;
ranks[i] = 0;
}
}
//木の根を求める
int find(int x){
if(par[x] == x){
return x;
}else{
return par[x] = find(par[x]);
}
}
void unite(int x,int y){
x = find(x);
y = find(y);
if(x == y) return ;
if(ranks[x] < ranks[y]){
par[x] = y;
}else{
par[y] = x;
if(ranks[x] == ranks[y]) ranks[x]++;
}
}
bool same(int x, int y){
return find(x) == find(y);
}
xxxasdfghjk