oj.uz

Submission #593621

# Submission time Handle Problem Language Result Execution time Memory
593621 2022-07-11T12:48:14 Z vovik Self Study (JOI22_ho_t2) C++17
64 / 100
 183 ms 4788 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 = [&](ll x) {
        ll need = 0;
        for (int i = 0; i < n; ++i) {
            need += (x + max(a[i], b[i]) - 1) / (ll)max(a[i], b[i]);
            if (need > (ll)n * m) return false;
        }
        return need <= (ll)n * m;
    };
    ll l = 0, r = 2e18 + 1;
    while (r - l > 1) {
        ll 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 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 51 ms 2644 KB Output is correct
12 Correct 51 ms 2644 KB Output is correct
13 Correct 42 ms 2644 KB Output is correct
14 Correct 44 ms 2644 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 8 ms 2668 KB Output is correct
17 Correct 50 ms 2644 KB Output is correct
18 Correct 47 ms 2648 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 8 ms 2668 KB Output is correct
3 Correct 50 ms 2644 KB Output is correct
4 Correct 47 ms 2648 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 300 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 28 ms 3508 KB Output is correct
14 Correct 19 ms 3004 KB Output is correct
15 Correct 15 ms 2296 KB Output is correct
16 Correct 12 ms 1920 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 51 ms 2644 KB Output is correct
12 Correct 51 ms 2644 KB Output is correct
13 Correct 42 ms 2644 KB Output is correct
14 Correct 44 ms 2644 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 308 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 300 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 28 ms 3508 KB Output is correct
24 Correct 19 ms 3004 KB Output is correct
25 Correct 15 ms 2296 KB Output is correct
26 Correct 12 ms 1920 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 304 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 8 ms 2668 KB Output is correct
36 Correct 50 ms 2644 KB Output is correct
37 Correct 47 ms 2648 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Incorrect 0 ms 212 KB Output isn't correct
41 Halted 0 ms 0 KB -

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 308 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 28 ms 3508 KB Output is correct
10 Correct 19 ms 3004 KB Output is correct
11 Correct 15 ms 2296 KB Output is correct
12 Correct 12 ms 1920 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 8 ms 2668 KB Output is correct
22 Correct 50 ms 2644 KB Output is correct
23 Correct 47 ms 2648 KB Output is correct
24 Correct 24 ms 1560 KB Output is correct
25 Correct 52 ms 3400 KB Output is correct
26 Correct 8 ms 1148 KB Output is correct
27 Correct 52 ms 4648 KB Output is correct
28 Correct 59 ms 4688 KB Output is correct
29 Correct 58 ms 4788 KB Output is correct
30 Correct 80 ms 4624 KB Output is correct
31 Correct 160 ms 4692 KB Output is correct
32 Correct 103 ms 3796 KB Output is correct
33 Correct 183 ms 4680 KB Output is correct
34 Correct 92 ms 3812 KB Output is correct

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 51 ms 2644 KB Output is correct
12 Correct 51 ms 2644 KB Output is correct
13 Correct 42 ms 2644 KB Output is correct
14 Correct 44 ms 2644 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 308 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 300 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 28 ms 3508 KB Output is correct
24 Correct 19 ms 3004 KB Output is correct
25 Correct 15 ms 2296 KB Output is correct
26 Correct 12 ms 1920 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 304 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 2 ms 340 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Incorrect 0 ms 212 KB Output isn't correct
37 Halted 0 ms 0 KB -