結果
問題 | No.1665 quotient replace |
ユーザー | Focus_Sash |
提出日時 | 2021-09-03 21:54:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 5,210 bytes |
コンパイル時間 | 4,463 ms |
コンパイル使用メモリ | 262,068 KB |
実行使用メモリ | 11,136 KB |
最終ジャッジ日時 | 2024-05-09 03:34:46 |
合計ジャッジ時間 | 15,418 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
testcase_33 | RE | - |
testcase_34 | RE | - |
testcase_35 | RE | - |
testcase_36 | RE | - |
testcase_37 | RE | - |
testcase_38 | RE | - |
testcase_39 | RE | - |
testcase_40 | RE | - |
testcase_41 | RE | - |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
コンパイルメッセージ
main.cpp:46: warning: "ONLINE_JUDGE" redefined 46 | #define ONLINE_JUDGE | <command-line>: note: this is the location of the previous definition
ソースコード
#include "bits/stdc++.h" #include <atcoder/all> using namespace std; using namespace atcoder; using ll = long long; using vl = vector<long long>; using pl = pair<long long, long long>; struct edge {long long to;long long cost;edge(long long t,long long c):to(t),cost(c){}}; using Graph = vector<vector<long long>>; using WGraph = vector<vector<edge>>; constexpr int dx[8]{1,0,-1,0,1,1,-1,-1}; constexpr int dy[8]{0,1,0,-1,1,-1,1,-1}; #define rep(i, n) for(long long (i) = 0; (i) < (n); (i)++) #define reps(i, a, b) for(long long (i) = (a); (i) < (b); (i)++) #define rrep(i, a, b) for(long long (i) = (a); (i) >= (b); (i)--) #define all(v) (v).begin(), (v).end() #define pb push_back #define V vector constexpr long long MOD1 = 1000000007; constexpr long long MOD9 = 998244353; constexpr long long INF = MOD1*MOD1+1; constexpr long long LL_MAX = std::numeric_limits<long long>::max(); long long safe_mod(long long n, long long m){if(n >= 0) {return n % m;} else return (n%m + m)%m;} long long div_ceil(long long a, long long b){return (a + b - 1) / b;} long long pw(long long x,long long n) {ll ret=1;while(n>0){if(n&1){ret=ret*x;}if(n>>=1){x=x*x;}}return ret;} template<typename T> T SUM(const vector<T> &v){T ret{};return(accumulate(v.begin(), v.end(), ret));} template<typename T> T MAX(const vector<T> &v){return *max_element(v.begin(), v.end());} template<typename T> T MIN(const vector<T> &v){return *min_element(v.begin(), v.end());} template<typename T> T pwmod(T x, long long n, long long m) {T ret=1;while(n>0){if(n&1)ret=ret*x%m;x=x*x%m;n>>=1;}return ret%m;} template<typename T> void rsort(vector<T> &v) {sort(v.begin(), v.end(), greater<T>());} template<typename T> bool chmax(T &a, const T& b) {if(a<b){a=b;return true;}return false;} template<typename T> bool chmin(T &a, const T& b) {if(a>b){a=b;return true;}return false;} template<typename T, typename S> pair<T, S> mp(const T &a, const S &b){return make_pair(a, b);} template<typename T> void uniquify(vector<T> &v){sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end());} template<typename T,typename S> ostream&operator<<(ostream&os,const pair<T,S>&p){os<<"("<<p.first<<", "<<p.second<<")";return os;} template<typename T,typename S> ostream&operator<<(ostream&os,const map<T,S>&ma){for(auto [a,b]:ma){os<<"("<<a<<", "<<b<<")"<<" ";}return os;} template<typename T> ostream &operator<<(ostream&os,const set<T>&s){os<<"{";for(auto c:s)os<<c<<" ";os<<"}";return os;} template<typename T> ostream &operator<<(ostream&os,const vector<T>&v){os<<"[";for(int i=0;i<v.size();i++){os<<v[i]<<(i==v.size()-1?"]":" ");}return os;} template<typename T> vector<int> compress(vector<T> &a){ int n = a.size(); vector<int> ret(n); vector<T> temp = a; sort(a.begin(), a.end()); a.erase(unique(a.begin(), a.end()), a.end()); for(int i = 0; i < n; i++) ret[i] = lower_bound(a.begin(), a.end(), temp[i]) - a.begin(); return ret; } #define ONLINE_JUDGE #ifdef ONLINE_JUDGE #define dump(x) true #else #define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl #endif template <typename T> vector<long long> is_prime(T n){ //n以下の非負整数についてエラトステネスの篩を実行する assert(n >= 1); vector<long long> ret(n+1, 1); ret[0] = 0; ret[1] = 0; for(ll i = 2; i * i <= n; i++){ if(!ret[i]) continue; for(long long j = i * i; j <= n; j += i) ret[j] = 0; } return ret; } template <typename T> vector<T> prime_list(T n){ //n以下の素数のリストを返す vector<long long> v = is_prime(n); vector<long long> ret; for(int i = 0; i <= n; i++) if(v[i]) ret.emplace_back(i); return ret; } template <typename T> vector<T> divisor(T n){ //nの約数を昇順に並べたvectorを返す vector<long long> ret; for(ll i = 1; i * i <= n; i++){ if(n%i == 0){ ret.pb(i); if(i * i != n) ret.emplace_back(n / i); } } sort(ret.begin(), ret.end()); return ret; } template <typename T> vector<pair<T, T>> prime_factor(T n) { //nの素因数と指数のペアのvectorを返す vector<pair<T, T>> ret; for (T i = 2; i * i <= n; i++) { if (n % i != 0) continue; T tmp = 0; while (n % i == 0) { tmp++; n /= i; } ret.emplace_back(i, tmp); } if (n != 1) ret.emplace_back(n, 1); return ret; } template <typename T> vector<T> smallest_factor(T n){ vector<T> ret(n+1); for(int i = 0; i <= n; i++) ret[i] = i; for(T i = 2; i * i <= n; i++){ if(ret[i] == i){ for(T j = i * i; j <= n; j += i){ if(ret[j] == j) ret[j] = i; } } } return ret; } void solve(){ ll n; cin >> n; vl a(n); rep(i, n) cin >> a[i]; auto small = smallest_factor(100); dump(small); ll g = 0; rep(i, n){ ll temp = 0; while(a[i] > 1){ temp++; a[i] /= small[a[i]]; } g ^= temp; } cout << (g == 0?"black":"white") << '\n'; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << std::fixed << std::setprecision(15); solve(); return 0; }