oj.uz

Submission #593619

# Submission time Handle Problem Language Result Execution time Memory
593619 2022-07-11T12:45:43 Z vovik Self Study (JOI22_ho_t2) C++17
10 / 100
 66 ms 4564 KB 
#include <bits/stdc++.h>

namespace IO {
    const int DPAIRSIZ = 1 << 10;
    char BB[DPAIRSIZ], *SS = BB, *TT = BB;

    inline char getcha() {
        return SS == TT && (TT = (SS = BB) + fread(BB, 1, DPAIRSIZ, stdin), SS == TT) ? EOF : *SS++;
    }

    template<typename T = int>
    inline T read() {
        T x = 0;
        int fu = 1;
        char c = getcha();
        while (c > 57 || c < 48) {
            if (c == 45) fu = -1;
            c = getcha();
        }
        while (c <= 57 && c >= 48) {
            x = x * 10 + c - 48;
            c = getcha();
        }
        x *= fu;
        return x;
    }

    template<typename T>
    inline void read(T &x) {
        x = 0;
        int fu = 1;
        char c = getcha();
        while (c > 57 || c < 48) {
            if (c == 45) fu = -1;
            c = getcha();
        }
        while (c <= 57 && c >= 48) {
            x = x * 10 + c - 48;
            c = getcha();
        }
        x *= fu;
    }

    template<typename T>
    inline void read(T *bg, T *ed) { while (bg != ed) read(*bg++); }

    inline void read(char &ch) {
        ch = getcha();
        while (ch <= 32) ch = getcha();
    }

    inline void read(char *s) {
        char ch = getcha();
        while (ch <= 32) ch = getcha();
        while (ch > 32) *s++ = ch, ch = getcha();
        *s = '\0';
    }

    inline void read(std::string &s) {
        char ch = getcha();
        while (ch <= 32) ch = getcha();
        while (ch > 32) s.push_back(ch), ch = getcha();
    }

    inline void sread(char *s) {
        char ch = getcha();
        while (ch < 32) ch = getcha();
        while (ch >= 32) *s++ = ch, ch = getcha();
        *s = '\0';
    }

    inline void pread(char *&s) {
        char ch = getcha();
        while (ch <= 32) ch = getcha();
        while (ch > 32) *s++ = ch, ch = getcha();
        *s = '\0';
    }

    inline void spread(char *&s) {
        char ch = getcha();
        while (ch < 32) ch = getcha();
        while (ch >= 32) *s++ = ch, ch = getcha();
        *s = '\0';
    }

    template<typename T, typename ...Args>
    inline void read(T &x, Args &...args) {
        read(x);
        read(args...);
    }

    char out[DPAIRSIZ], *Out = out;
#define flush() fwrite(out, 1, Out - out, stdout)

    inline void putcha(char x) {
        *Out++ = x;
        if (Out - out >= (DPAIRSIZ)) flush(), Out = out;
    }

    template<typename T>
    inline void fprint(T x) {
        if (x < 0) putcha(45), x = -x;
        if (x > 9) fprint(x / 10);
        putcha(x % 10 + 48);
    }

    inline void print() { putcha(10); }

    template<typename T>
    inline void print(T x) {
        fprint(x);
        putcha(10);
    }

    inline void print(char *ch) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(10);
    }

    inline void put(char *ch) { while (*ch != '\0') putcha(*(ch++)); }

    inline void print(const char *ch) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(10);
    }

    inline void put(const char *ch) { while (*ch != '\0') putcha(*(ch++)); }

    template<typename T, typename ...Args>
    inline void print(T x, Args ...args) {
        fprint(x);
        putcha(32);
        print(args...);
    }

    template<typename ...Args>
    inline void print(const char *ch, Args ...args) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(32);
        print(args...);
    }

    template<typename ...Args>
    inline void print(char *ch, Args ...args) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(32);
        print(args...);
    }

    template<typename T, typename ...Args>
    inline void printl(T x, Args ...args) {
        fprint(x);
        putcha(10);
        printl(args...);
    }

    template<typename ...Args>
    inline void printl(const char *ch, Args ...args) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(10);
        printl(args...);
    }

    template<typename ...Args>
    inline void printl(char *ch, Args ...args) {
        while (*ch != '\0') putcha(*(ch++));
        putcha(10);
        printl(args...);
    }

    template<typename T>
    inline void sprint(T x) {
        fprint(x);
        putcha(32);
    }

    template<typename T, typename ...Args>
    inline void sprint(T x, Args ...args) {
        fprint(x);
        putcha(32);
        sprint(args...);
    }

    template<typename T>
    inline void sprint(T *bg, T *ed) { while (bg != ed) sprint(*bg++); }

    template<typename T>
    inline void print(T *bg, T *ed) {
        while (bg != ed) sprint(*bg++);
        putcha(10);
    }

    template<typename T>
    inline void printl(T *bg, T *ed) { while (bg != ed) print(*bg++); }

    class AutoFlush {
    public:
        ~AutoFlush() { flush(); }
    } __AutoFlush;
} // namespace IO
using namespace IO;

#define vc vector

#define nd node*
#define pnd pair<nd, nd>

using namespace std;
typedef long long ll;
typedef vector<ll> vll;
typedef pair<ll, ll> pll;
typedef vc<pll> vpll;
typedef vc<vll> vvll;
typedef vc<vpll> vvpll;

template<const ll MOD>
struct mod_mul : std::multiplies<const ll> {
    ll operator()(const ll a, const ll b) {
        return (a * b) % MOD;
    }
};


template<typename T>
inline void sort(T &a) {
    sort(a.begin(), a.end());
}

template<typename T>
inline void unique(T &a) {
    a.resize(unique(a.begin(), a.end()) - a.begin());
}

template<typename T>
inline void reverse(T &a) {
    reverse(a.begin(), a.end());
}

const ll INF = 9023372036854775808ll;
const ll MOD = 1000000007ll;

int main() {
    int n = read();
    int m = read();
    vc<int> a(n), b(n);
    for (auto &i: a) read(i);
    for (auto &i: b) read(i);
    int sm = 0;
    for (int i = 0; i < n; ++i) sm += a[i] < b[i];
    auto check = [&](int x) {
        ll need = 0;
        for (int i = 0; i < n; ++i) need += (x + max(a[i], b[i]) - 1) / max(a[i], b[i]);
        return need <= n * m;
    };
    int l = 0, r = 1e9 + 1;
    while (r - l > 1) {
        int mid = (l + r) / 2;
        if (check(mid)) {
            l = mid;
        } else {
            r = mid;
        }
    }
    cout << l << '\n';
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 57 ms 4468 KB Output is correct
12 Correct 55 ms 4560 KB Output is correct
13 Correct 53 ms 4556 KB Output is correct
14 Correct 54 ms 4564 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 66 ms 3812 KB Output is correct
17 Correct 58 ms 4448 KB Output is correct
18 Correct 57 ms 4504 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 66 ms 3812 KB Output is correct
3 Correct 58 ms 4448 KB Output is correct
4 Correct 57 ms 4504 KB Output is correct
5 Incorrect 1 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 57 ms 4468 KB Output is correct
12 Correct 55 ms 4560 KB Output is correct
13 Correct 53 ms 4556 KB Output is correct
14 Correct 54 ms 4564 KB Output is correct
15 Incorrect 1 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 1 ms 304 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 57 ms 4468 KB Output is correct
12 Correct 55 ms 4560 KB Output is correct
13 Correct 53 ms 4556 KB Output is correct
14 Correct 54 ms 4564 KB Output is correct
15 Incorrect 1 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -