답안 #17767

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
17767 2016-01-12T10:21:29 Z Erzhann 힘 센 거북 (IZhO11_turtle) C++
15 / 100
2000 ms 9236 KB
/*
  /\     /\
  | ).|.( |
  |  >-<  |
  =========
It's Adilkhan99 miaaaaaau     
*/
#include<bits/stdc++.h>
 
#define ll long long
#define pb push_back
#define endl "\n"
#define foreach(it, S) for(__typeof (S.begin()) it = S.begin(); it != S.end(); it++)
#define mp make_pair
#define f first
#define s second
#define name ""
#define _ ios_base::sync_with_stdio(false);cin.tie(0);
 
using namespace std;
 
const int base = 1000000000;
const int base_digits = 9;
 
struct bigint {
    vector<int> a;
    int sign;
 
    bigint() :
        sign(1) {
    }
 
    bigint(long long v) {
        *this = v;
    }
 
    bigint(const string &s) {
        read(s);
    }
 
    void operator=(const bigint &v) {
        sign = v.sign;
        a = v.a;
    }
 
    void operator=(long long v) {
        sign = 1;
        if (v < 0)
            sign = -1, v = -v;
        for (; v > 0; v = v / base)
            a.push_back(v % base);
    }
 
    bigint operator+(const bigint &v) const {
        if (sign == v.sign) {
            bigint res = v;
 
            for (int i = 0, carry = 0; i < (int) max(a.size(), v.a.size()) || carry; ++i) {
                if (i == (int) res.a.size())
                    res.a.push_back(0);
                res.a[i] += carry + (i < (int) a.size() ? a[i] : 0);
                carry = res.a[i] >= base;
                if (carry)
                    res.a[i] -= base;
            }
            return res;
        }
        return *this - (-v);
    }
 
    bigint operator-(const bigint &v) const {
        if (sign == v.sign) {
            if (abs() >= v.abs()) {
                bigint res = *this;
                for (int i = 0, carry = 0; i < (int) v.a.size() || carry; ++i) {
                    res.a[i] -= carry + (i < (int) v.a.size() ? v.a[i] : 0);
                    carry = res.a[i] < 0;
                    if (carry)
                        res.a[i] += base;
                }
                res.trim();
                return res;
            }
            return -(v - *this);
        }
        return *this + (-v);
    }
 
    void operator*=(int v) {
        if (v < 0)
            sign = -sign, v = -v;
        for (int i = 0, carry = 0; i < (int) a.size() || carry; ++i) {
            if (i == (int) a.size())
                a.push_back(0);
            long long cur = a[i] * (long long) v + carry;
            carry = (int) (cur / base);
            a[i] = (int) (cur % base);
            //asm("divl %%ecx" : "=a"(carry), "=d"(a[i]) : "A"(cur), "c"(base));
        }
        trim();
    }
 
    bigint operator*(int v) const {
        bigint res = *this;
        res *= v;
        return res;
    }
 
    friend pair<bigint, bigint> divmod(const bigint &a1, const bigint &b1) {
        int norm = base / (b1.a.back() + 1);
        bigint a = a1.abs() * norm;
        bigint b = b1.abs() * norm;
        bigint q, r;
        q.a.resize(a.a.size());
 
        for (int i = a.a.size() - 1; i >= 0; i--) {
            r *= base;
            r += a.a[i];
            int s1 = r.a.size() <= b.a.size() ? 0 : r.a[b.a.size()];
            int s2 = r.a.size() <= b.a.size() - 1 ? 0 : r.a[b.a.size() - 1];
            int d = ((long long) base * s1 + s2) / b.a.back();
            r -= b * d;
            while (r < 0)
                r += b, --d;
            q.a[i] = d;
        }
 
        q.sign = a1.sign * b1.sign;
        r.sign = a1.sign;
        q.trim();
        r.trim();
        return make_pair(q, r / norm);
    }
 
    bigint operator/(const bigint &v) const {
        return divmod(*this, v).first;
    }
 
    bigint operator%(const bigint &v) const {
        return divmod(*this, v).second;
    }
 
    void operator/=(int v) {
        if (v < 0)
            sign = -sign, v = -v;
        for (int i = (int) a.size() - 1, rem = 0; i >= 0; --i) {
            long long cur = a[i] + rem * (long long) base;
            a[i] = (int) (cur / v);
            rem = (int) (cur % v);
        }
        trim();
    }
 
    bigint operator/(int v) const {
        bigint res = *this;
        res /= v;
        return res;
    }
 
    int operator%(int v) const {
        if (v < 0)
            v = -v;
        int m = 0;
        for (int i = a.size() - 1; i >= 0; --i)
            m = (a[i] + m * (long long) base) % v;
        return m * sign;
    }
 
    void operator+=(const bigint &v) {
        *this = *this + v;
    }
    void operator-=(const bigint &v) {
        *this = *this - v;
    }
    void operator*=(const bigint &v) {
        *this = *this * v;
    }
    void operator/=(const bigint &v) {
        *this = *this / v;
    }
 
    bool operator<(const bigint &v) const {
        if (sign != v.sign)
            return sign < v.sign;
        if (a.size() != v.a.size())
            return a.size() * sign < v.a.size() * v.sign;
        for (int i = a.size() - 1; i >= 0; i--)
            if (a[i] != v.a[i])
                return a[i] * sign < v.a[i] * sign;
        return false;
    }
 
    bool operator>(const bigint &v) const {
        return v < *this;
    }
    bool operator<=(const bigint &v) const {
        return !(v < *this);
    }
    bool operator>=(const bigint &v) const {
        return !(*this < v);
    }
    bool operator==(const bigint &v) const {
        return !(*this < v) && !(v < *this);
    }
    bool operator!=(const bigint &v) const {
        return *this < v || v < *this;
    }
 
    void trim() {
        while (!a.empty() && !a.back())
            a.pop_back();
        if (a.empty())
            sign = 1;
    }
 
    bool isZero() const {
        return a.empty() || (a.size() == 1 && !a[0]);
    }
 
    bigint operator-() const {
        bigint res = *this;
        res.sign = -sign;
        return res;
    }
 
    bigint abs() const {
        bigint res = *this;
        res.sign *= res.sign;
        return res;
    }
 
    long long longValue() const {
        long long res = 0;
        for (int i = a.size() - 1; i >= 0; i--)
            res = res * base + a[i];
        return res * sign;
    }
 
    friend bigint gcd(const bigint &a, const bigint &b) {
        return b.isZero() ? a : gcd(b, a % b);
    }
    friend bigint lcm(const bigint &a, const bigint &b) {
        return a / gcd(a, b) * b;
    }
 
    void read(const string &s) {
        sign = 1;
        a.clear();
        int pos = 0;
        while (pos < (int) s.size() && (s[pos] == '-' || s[pos] == '+')) {
            if (s[pos] == '-')
                sign = -sign;
            ++pos;
        }
        for (int i = s.size() - 1; i >= pos; i -= base_digits) {
            int x = 0;
            for (int j = max(pos, i - base_digits + 1); j <= i; j++)
                x = x * 10 + s[j] - '0';
            a.push_back(x);
        }
        trim();
    }
 
    friend istream& operator>>(istream &stream, bigint &v) {
        string s;
        stream >> s;
        v.read(s);
        return stream;
    }
 
    friend ostream& operator<<(ostream &stream, const bigint &v) {
        if (v.sign == -1)
            stream << '-';
        stream << (v.a.empty() ? 0 : v.a.back());
        for (int i = (int) v.a.size() - 2; i >= 0; --i)
            stream << setw(base_digits) << setfill('0') << v.a[i];
        return stream;
    }
 
    static vector<int> convert_base(const vector<int> &a, int old_digits, int new_digits) {
        vector<long long> p(max(old_digits, new_digits) + 1);
        p[0] = 1;
        for (int i = 1; i < (int) p.size(); i++)
            p[i] = p[i - 1] * 10;
        vector<int> res;
        long long cur = 0;
        int cur_digits = 0;
        for (int i = 0; i < (int) a.size(); i++) {
            cur += a[i] * p[cur_digits];
            cur_digits += old_digits;
            while (cur_digits >= new_digits) {
                res.push_back(int(cur % p[new_digits]));
                cur /= p[new_digits];
                cur_digits -= new_digits;
            }
        }
        res.push_back((int) cur);
        while (!res.empty() && !res.back())
            res.pop_back();
        return res;
    }
 
    typedef vector<long long> vll;
 
    static vll karatsubaMultiply(const vll &a, const vll &b) {
        int n = a.size();
        vll res(n + n);
        if (n <= 32) {
            for (int i = 0; i < n; i++)
                for (int j = 0; j < n; j++)
                    res[i + j] += a[i] * b[j];
            return res;
        }
 
        int k = n >> 1;
        vll a1(a.begin(), a.begin() + k);
        vll a2(a.begin() + k, a.end());
        vll b1(b.begin(), b.begin() + k);
        vll b2(b.begin() + k, b.end());
 
        vll a1b1 = karatsubaMultiply(a1, b1);
        vll a2b2 = karatsubaMultiply(a2, b2);
 
        for (int i = 0; i < k; i++)
            a2[i] += a1[i];
        for (int i = 0; i < k; i++)
            b2[i] += b1[i];
 
        vll r = karatsubaMultiply(a2, b2);
        for (int i = 0; i < (int) a1b1.size(); i++)
            r[i] -= a1b1[i];
        for (int i = 0; i < (int) a2b2.size(); i++)
            r[i] -= a2b2[i];
 
        for (int i = 0; i < (int) r.size(); i++)
            res[i + k] += r[i];
        for (int i = 0; i < (int) a1b1.size(); i++)
            res[i] += a1b1[i];
        for (int i = 0; i < (int) a2b2.size(); i++)
            res[i + n] += a2b2[i];
        return res;
    }
 
    bigint operator*(const bigint &v) const {
        vector<int> a6 = convert_base(this->a, base_digits, 6);
        vector<int> b6 = convert_base(v.a, base_digits, 6);
        vll a(a6.begin(), a6.end());
        vll b(b6.begin(), b6.end());
        while (a.size() < b.size())
            a.push_back(0);
        while (b.size() < a.size())
            b.push_back(0);
        while (a.size() & (a.size() - 1))
            a.push_back(0), b.push_back(0);
        vll c = karatsubaMultiply(a, b);
        bigint res;
        res.sign = sign * v.sign;
        for (int i = 0, carry = 0; i < (int) c.size(); i++) {
            long long cur = c[i] + carry;
            res.a.push_back((int) (cur % 1000000));
            carry = (int) (cur / 1000000);
        }
        res.a = convert_base(res.a, 6, base_digits);
        res.trim();
        return res;
    }
};

static bigint ProdTree(int l, int r)
{
    if (l > r)
        return 1;
    if (l == r)
         return l;
    if (r - l == 1)
        return (bigint)l * r;
    int m = (l + r) / 2;
    return ProdTree(l, m) * ProdTree(m + 1, r);
}
        
static bigint f(int n)
{
    if (n < 0)
        return 0;
    if (n == 0)
        return 1;
    if (n == 1 || n == 2)
        return n;
    return ProdTree(2, n);
}                                              
const int MaxN = int (6e5) + 256;
const int INF = int(1e9); 
const int mod = (int)(1e9) + 7;
int n, m, t, k, z;
pair<int, int> p[22];
 
int main () { _
	cin >> n >> m >> k >> t >> z;
    for(int i = 0; i < k; i++){
        int x, y; cin >> x >> y;
        p[i] = mp(x, y);
    }
    sort(p, p + k);
    int N = n + m;
    bigint ans = f(n + m) / f(n) / f(m);
    for(int i = 0; i < (1 << k); i++){
        bigint cnt = bigint(1);
        int last_i = 0, last_j = 0, kol = 0;
        bool ok = 1;
        for(int j = 0; j < k; j++){
            if((i & (1 << j))){
                if(last_j > p[j].second){
                    ok = 0;
                    break;
                }
                kol++;
                int I = p[j].first - last_i;
                int J = p[j].second - last_j;
                last_i = p[j].first;
                last_j = p[j].second;
                cnt = cnt * (f(I + J) / f(I) / f(J));
            }
        }
        if(kol > t && ok){
            int I = n - last_i;
            int J = m - last_j;
            cnt = cnt * (f(I + J) / f(I) / f(J));                                              
            ans = ans - cnt;   
        }      
    }
    cout << ans % z;
return 0;
}

Compilation message

turtle.cpp: In function 'int main()':
turtle.cpp:404:9: warning: unused variable 'N' [-Wunused-variable]
     int N = n + m;
         ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 0 ms 376 KB Output isn't correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 1832 ms 384 KB Output is correct
5 Execution timed out 2089 ms 352 KB Time limit exceeded
6 Execution timed out 2075 ms 376 KB Time limit exceeded
7 Execution timed out 2001 ms 376 KB Time limit exceeded
8 Execution timed out 2082 ms 504 KB Time limit exceeded
9 Execution timed out 2040 ms 928 KB Time limit exceeded
10 Execution timed out 2077 ms 1508 KB Time limit exceeded
11 Execution timed out 2005 ms 8404 KB Time limit exceeded
12 Execution timed out 2021 ms 9100 KB Time limit exceeded
13 Execution timed out 2008 ms 8876 KB Time limit exceeded
14 Execution timed out 2007 ms 8404 KB Time limit exceeded
15 Execution timed out 2013 ms 8548 KB Time limit exceeded
16 Execution timed out 2045 ms 8896 KB Time limit exceeded
17 Execution timed out 2017 ms 8716 KB Time limit exceeded
18 Execution timed out 2037 ms 8696 KB Time limit exceeded
19 Execution timed out 2080 ms 9236 KB Time limit exceeded
20 Execution timed out 2027 ms 8784 KB Time limit exceeded