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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#457935#8830. Breaking Baducup-team008#WA 952ms7144kbC++179.4kb2024-06-29 14:52:122024-06-29 14:52:12

Judging History

你现在查看的是最新测评结果

  • [2024-06-29 14:52:12]
  • 评测
  • 测评结果:WA
  • 用时:952ms
  • 内存:7144kb
  • [2024-06-29 14:52:12]
  • 提交

answer

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <complex>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <unordered_map>
#include <vector>

using namespace std;

// BEGIN NO SAD
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
typedef vector<int> vi;
#define f first
#define s second
#define derr if(0) cerr
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#define debug(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << flush;
// END NO SAD

template<class Fun>
class y_combinator_result {
  Fun fun_;
public:
  template<class T>
  explicit y_combinator_result(T &&fun): fun_(std::forward<T>(fun)) {}

  template<class ...Args>
  decltype(auto) operator()(Args &&...args) {
    return fun_(std::ref(*this), std::forward<Args>(args)...);
  }
};

template<class Fun>
decltype(auto) y_combinator(Fun &&fun) {
  return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun));
}

template<class T>
bool updmin(T& a, T b) {
  if(b < a) {
    a = b;
    return true;
  }
  return false;
}
template<class T>
bool updmax(T& a, T b) {
  if(b > a) {
    a = b;
    return true;
  }
  return false;
}
typedef int64_t ll;

struct barrett_reduction {
    unsigned mod;
    uint64_t div;
 
    barrett_reduction(unsigned m) : mod(m), div(-1LLU / m) {}
 
    unsigned operator()(uint64_t a) const {
#ifdef __SIZEOF_INT128__
        uint64_t q = uint64_t(__uint128_t(div) * a >> 64);
        uint64_t r = a - q * mod;
        return unsigned(r < mod ? r : r - mod);
#endif
        return unsigned(a % mod);
    }
};
 
template<const int &MOD, const barrett_reduction &barrett>
struct _b_int {
    int val;
 
    _b_int(int64_t v = 0) {
        if (v < 0) v = v % MOD + MOD;
        if (v >= MOD) v %= MOD;
        val = int(v);
    }
 
    _b_int(uint64_t v) {
        if (v >= uint64_t(MOD)) v %= MOD;
        val = int(v);
    }
 
    _b_int(int v) : _b_int(int64_t(v)) {}
    _b_int(unsigned v) : _b_int(uint64_t(v)) {}
 
    static int inv_mod(int a, int m = MOD) {
        // https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm#Example
        int g = m, r = a, x = 0, y = 1;
 
        while (r != 0) {
            int q = g / r;
            g %= r; swap(g, r);
            x -= q * y; swap(x, y);
        }
 
        return x < 0 ? x + m : x;
    }
 
    explicit operator int() const { return val; }
    explicit operator unsigned() const { return val; }
    explicit operator int64_t() const { return val; }
    explicit operator uint64_t() const { return val; }
    explicit operator double() const { return val; }
    explicit operator long double() const { return val; }
 
    _b_int& operator+=(const _b_int &other) {
        val -= MOD - other.val;
        if (val < 0) val += MOD;
        return *this;
    }
 
    _b_int& operator-=(const _b_int &other) {
        val -= other.val;
        if (val < 0) val += MOD;
        return *this;
    }
 
    static unsigned fast_mod(uint64_t x) {
#if !defined(_WIN32) || defined(_WIN64)
        return barrett(x);
#endif
        // Optimized mod for Codeforces 32-bit machines.
        // x must be less than 2^32 * MOD for this to work, so that x / MOD fits in an unsigned 32-bit int.
        unsigned x_high = unsigned(x >> 32), x_low = unsigned(x);
        unsigned quot, rem;
        asm("divl %4\n"
            : "=a" (quot), "=d" (rem)
            : "d" (x_high), "a" (x_low), "r" (MOD));
        return rem;
    }
 
    _b_int& operator*=(const _b_int &other) {
        val = fast_mod(uint64_t(val) * other.val);
        return *this;
    }
 
    _b_int& operator/=(const _b_int &other) {
        return *this *= other.inv();
    }
 
    friend _b_int operator+(const _b_int &a, const _b_int &b) { return _b_int(a) += b; }
    friend _b_int operator-(const _b_int &a, const _b_int &b) { return _b_int(a) -= b; }
    friend _b_int operator*(const _b_int &a, const _b_int &b) { return _b_int(a) *= b; }
    friend _b_int operator/(const _b_int &a, const _b_int &b) { return _b_int(a) /= b; }
 
    _b_int& operator++() {
        val = val == MOD - 1 ? 0 : val + 1;
        return *this;
    }
 
    _b_int& operator--() {
        val = val == 0 ? MOD - 1 : val - 1;
        return *this;
    }
 
    _b_int operator++(int) { _b_int before = *this; ++*this; return before; }
    _b_int operator--(int) { _b_int before = *this; --*this; return before; }
 
    _b_int operator-() const {
        return val == 0 ? 0 : MOD - val;
    }
 
    friend bool operator==(const _b_int &a, const _b_int &b) { return a.val == b.val; }
    friend bool operator!=(const _b_int &a, const _b_int &b) { return a.val != b.val; }
    friend bool operator<(const _b_int &a, const _b_int &b) { return a.val < b.val; }
    friend bool operator>(const _b_int &a, const _b_int &b) { return a.val > b.val; }
    friend bool operator<=(const _b_int &a, const _b_int &b) { return a.val <= b.val; }
    friend bool operator>=(const _b_int &a, const _b_int &b) { return a.val >= b.val; }
 
    _b_int inv() const {
        return inv_mod(val);
    }
 
    _b_int pow(int64_t p) const {
        if (p < 0)
            return inv().pow(-p);
 
        _b_int a = *this, result = 1;
 
        while (p > 0) {
            if (p & 1)
                result *= a;
 
            p >>= 1;
 
            if (p > 0)
                a *= a;
        }
 
        return result;
    }
 
    friend ostream& operator<<(ostream &os, const _b_int &m) {
        return os << m.val;
    }
 
    friend istream& operator>>(istream &is, _b_int &m) {
        int64_t x;
        is >> x;
        m = x;
        return is;
    }
};
 
int MOD1 = 998244353;
barrett_reduction barrett1(MOD1);
using mnum1 = _b_int<MOD1, barrett1>;
int MOD2 = 1000000007;
barrett_reduction barrett2(MOD2);
using mnum2 = _b_int<MOD2, barrett2>;


struct rabinkarp {
  typedef pair<mnum1, mnum2> shash;
  int STRING_SZ;
  const mnum1 HASH1 = 3137;
  const mnum2 HASH2 = 1009;
  vector<shash> hashes;
  vector<mnum1> hash1pows;
  vector<mnum2> hash2pows;
  rabinkarp() {}
  rabinkarp(const string& s) {
    STRING_SZ = sz(s);
    hash1pows.resize(STRING_SZ+1);
    hash1pows[0] = 1;
    for(int i = 1; i <= STRING_SZ; i++) hash1pows[i] = hash1pows[i-1] * HASH1;
    hash2pows.resize(STRING_SZ+1);
    hash2pows[0] = 1;
    for(int i = 1; i <= STRING_SZ; i++) hash2pows[i] = hash2pows[i-1] * HASH2;
    hashes.resize(STRING_SZ+1);
    for(int i = 0; i < sz(s); i++) {
      hashes[i+1].first = hashes[i].first * HASH1 + s[i];
      hashes[i+1].second = hashes[i].second * HASH2 + s[i];
    }
  }
  inline array<int, 2> getHash(int lhs, int rhs) {
    // [lhs, rhs)
    mnum1 a = hashes[rhs].first - hashes[lhs].first * hash1pows[rhs-lhs];
    mnum2 b = hashes[rhs].second - hashes[lhs].second * hash2pows[rhs-lhs];
    return {(int)a, (int)b};
  }
  inline array<int, 2> hashStr(const vector<int>& s) {
    mnum1 a = 0;
    mnum2 b = 0;
    for(auto x: s) {
      a = a * HASH1 + x;
      b = b * HASH2 + x;
    }
    return {(int)a, (int)b};
  }
};


void solve() {
  auto srct = clock(); 
  string ret = "NNNNN";
  int n;
  cin >> n;
  vector<vector<int>> g(n);
  for(auto& x: g) {
    x.resize(n);
    for(auto& y: x) cin >> y;
  }
  vector<int> ord(n);
  iota(all(ord), 0);
  mt19937 g1(0x39);
  int qq = 0;
  while(true) {
    int ans = 0;
    for(int i = 0; i < n; i++) {
      ans += g[i][ord[i]];
      if(ans >= 5) ans -= 5;
    }
    ret[ans] = 'Y';
    if(++qq % 256 == 0) {
      if(clock() - srct > 0.95 * CLOCKS_PER_SEC) {
        break;
      }
    }
    shuffle(all(ord), g1);
  }
  cout << ret << "\n";
}

// what would chika do
// are there edge cases (N=1?)
// are array sizes proper (scaled by proper constant, for example 2* for koosaga tree)
// integer overflow?
// DS reset properly between test cases
// are you doing geometry in floating points
// are you not using modint when you should

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  solve();
}

詳細信息

Test #1:

score: 100
Accepted
time: 926ms
memory: 3712kb

input:

2
0 4
4 0

output:

YNNYN

result:

ok "YNNYN"

Test #2:

score: 0
Accepted
time: 932ms
memory: 3648kb

input:

2
1 1
1 1

output:

NNYNN

result:

ok "NNYNN"

Test #3:

score: 0
Accepted
time: 940ms
memory: 3880kb

input:

4
0 0 1 0
0 1 0 1
0 0 0 0
1 1 0 0

output:

YYYYN

result:

ok "YYYYN"

Test #4:

score: 0
Accepted
time: 928ms
memory: 3600kb

input:

4
0 0 0 1
0 1 0 1
1 0 0 0
0 1 0 0

output:

YYYYN

result:

ok "YYYYN"

Test #5:

score: 0
Accepted
time: 936ms
memory: 3660kb

input:

10
1 4 2 0 0 2 0 1 3 3
0 3 1 4 4 1 4 0 2 2
1 4 2 0 0 2 0 1 0 3
0 3 1 4 4 1 4 0 2 2
4 2 0 3 3 0 3 4 1 1
2 0 3 1 1 3 1 2 4 4
4 2 0 3 3 0 3 4 1 1
2 0 3 1 1 3 1 2 4 4
1 4 2 0 0 2 0 1 3 3
3 1 4 2 2 4 2 3 0 0

output:

NYNNY

result:

ok "NYNNY"

Test #6:

score: 0
Accepted
time: 940ms
memory: 3644kb

input:

10
4 4 4 1 3 4 1 4 3 0
3 3 3 0 2 3 0 3 2 4
3 3 3 0 2 3 0 3 2 4
4 4 4 1 3 4 1 4 3 0
2 2 2 4 1 2 4 2 1 3
2 2 2 4 1 3 4 2 1 3
4 4 4 1 3 4 1 4 3 0
3 3 3 0 2 3 0 3 2 4
2 2 2 4 1 2 4 2 1 3
4 4 4 1 3 4 1 1 3 0

output:

YYYNY

result:

ok "YYYNY"

Test #7:

score: 0
Accepted
time: 952ms
memory: 3788kb

input:

10
1 2 0 4 2 3 4 0 2 3
0 1 4 3 1 2 3 4 1 2
4 0 3 2 0 1 2 3 0 1
1 2 0 4 2 3 4 0 2 3
3 4 2 1 4 0 1 2 4 0
0 1 4 3 1 2 3 4 1 2
2 3 1 0 3 4 0 1 3 4
3 1 1 1 4 0 1 2 4 0
1 2 0 4 2 3 4 0 2 3
1 3 0 4 2 3 4 0 2 3

output:

NYYYY

result:

ok "NYYYY"

Test #8:

score: 0
Accepted
time: 944ms
memory: 3684kb

input:

10
3 4 0 3 2 2 0 4 0 2
0 1 2 0 4 4 2 1 2 4
2 3 4 2 1 1 4 3 4 1
0 1 2 0 4 4 2 1 2 4
0 1 2 0 4 4 2 1 2 4
0 1 2 0 4 4 2 1 2 4
3 4 0 3 2 2 0 4 0 2
0 1 2 0 4 4 2 1 2 4
3 4 0 3 2 2 0 4 0 2
0 1 2 0 4 4 2 1 2 4

output:

NYNNN

result:

ok "NYNNN"

Test #9:

score: 0
Accepted
time: 943ms
memory: 3644kb

input:

10
4 1 3 1 2 0 3 2 4 4
0 2 4 2 3 1 4 3 0 0
1 1 1 1 2 0 3 2 4 1
2 4 1 4 0 3 1 0 2 2
1 3 0 3 4 2 0 4 1 1
2 4 1 4 0 3 1 0 2 2
2 4 1 4 0 3 1 0 2 2
0 2 4 2 3 1 4 3 0 0
3 0 2 1 1 4 2 1 3 3
4 1 3 1 2 0 3 2 4 4

output:

YYYYY

result:

ok "YYYYY"

Test #10:

score: 0
Accepted
time: 940ms
memory: 3948kb

input:

10
1 2 0 2 4 2 3 1 2 1
4 0 3 0 2 0 1 4 0 4
0 1 4 1 3 1 2 0 1 0
0 1 4 1 3 1 2 0 1 0
3 4 2 4 1 4 0 3 4 3
4 0 3 0 2 0 1 4 0 4
0 1 4 1 3 1 2 0 1 0
0 1 4 1 3 1 2 0 1 0
3 4 2 4 1 4 0 3 4 3
0 1 4 1 3 1 2 0 1 0

output:

NNNYN

result:

ok "NNNYN"

Test #11:

score: 0
Accepted
time: 948ms
memory: 3680kb

input:

10
1 4 1 2 1 3 3 2 1 2
0 3 0 1 0 2 2 1 0 1
0 4 0 3 0 2 2 1 0 1
1 4 1 2 1 3 3 2 1 2
4 2 4 0 4 1 1 0 4 0
1 1 1 4 1 0 3 2 1 2
0 0 0 1 0 2 2 1 0 1
2 0 2 3 2 4 4 3 2 3
2 0 2 3 2 4 4 3 2 3
2 0 2 3 2 4 4 3 2 3

output:

YYYYY

result:

ok "YYYYY"

Test #12:

score: 0
Accepted
time: 936ms
memory: 3648kb

input:

10
1 2 0 1 4 0 1 2 2 2
1 2 0 1 4 3 1 2 2 2
0 1 4 0 3 1 0 1 1 1
1 2 0 1 4 3 1 2 2 2
3 4 2 3 1 4 3 4 4 4
0 1 4 0 3 1 0 1 1 1
4 0 3 4 2 0 4 0 0 0
3 4 2 3 1 4 3 4 4 4
4 0 3 4 2 0 4 0 0 0
0 1 4 0 3 1 0 1 1 1

output:

YNYNY

result:

ok "YNYNY"

Test #13:

score: 0
Accepted
time: 936ms
memory: 3744kb

input:

10
1 3 0 0 2 1 3 4 3 3
3 3 0 0 4 1 3 4 3 3
1 1 3 3 2 4 1 2 1 1
2 4 1 1 3 2 4 0 4 4
4 1 3 3 0 4 1 2 1 1
2 4 1 1 3 2 4 0 4 4
0 2 4 4 1 0 2 3 2 2
3 0 2 2 4 3 0 1 0 0
3 0 2 2 4 3 0 1 0 0
4 2 4 4 1 0 2 3 2 2

output:

YYYNY

result:

ok "YYYNY"

Test #14:

score: 0
Accepted
time: 944ms
memory: 3648kb

input:

10
2 0 3 1 3 0 0 0 4 1
1 4 2 0 2 4 4 4 3 0
2 0 3 1 3 0 0 0 4 1
1 4 2 0 2 4 4 4 3 0
1 4 2 0 2 4 4 4 3 0
3 3 4 2 4 1 1 1 0 2
3 1 4 2 4 1 1 1 0 2
4 2 0 3 0 2 2 2 1 3
3 1 4 2 4 1 1 1 0 2
1 4 2 0 2 4 4 4 3 0

output:

YNYNN

result:

ok "YNYNN"

Test #15:

score: 0
Accepted
time: 944ms
memory: 7096kb

input:

1000
3 4 1 2 4 1 0 3 0 4 1 4 3 1 4 4 1 0 1 2 3 1 0 1 3 4 4 0 3 0 3 2 2 1 0 4 1 3 3 0 3 1 3 2 2 0 3 3 2 2 3 0 4 2 1 2 1 2 1 4 2 4 1 4 2 4 3 2 0 3 0 4 2 1 2 3 3 0 2 0 3 3 1 1 0 3 4 3 2 0 4 0 3 4 4 2 3 4 2 3 4 2 1 3 2 2 4 1 0 2 2 4 0 1 2 0 4 1 3 2 3 2 2 2 1 4 4 4 2 0 0 4 4 1 3 4 0 2 2 3 1 1 3 2 3 2 3 0...

output:

NNNYN

result:

ok "NNNYN"

Test #16:

score: -100
Wrong Answer
time: 948ms
memory: 7144kb

input:

1000
2 3 0 1 0 0 0 1 1 4 1 4 2 3 0 3 4 2 3 2 4 2 1 1 1 1 0 0 3 3 2 0 2 2 2 4 3 0 3 3 3 0 1 3 0 2 0 1 0 0 0 3 1 4 3 1 4 0 3 4 4 1 3 3 4 0 1 4 2 3 0 1 0 0 2 3 1 4 0 0 2 1 2 3 3 4 4 3 3 2 0 0 4 3 2 3 3 2 4 0 2 2 3 0 3 2 4 1 0 2 4 2 4 1 2 1 3 0 3 3 0 1 1 0 2 3 0 2 4 1 4 3 4 1 2 2 2 4 0 1 3 3 0 0 1 3 2 4...

output:

NYNYY

result:

wrong answer 1st words differ - expected: 'NYYYY', found: 'NYNYY'