Submission #1035660

#	Time	Username	Problem	Language	Result	Execution time	Memory
1035660		RecursiveCo	Magic Show (APIO24_show)	C++17	0 / 100	1 ms	600 KiB

Alice

// CF template, version 3.0

#include <bits/stdc++.h>
#include "Alice.h"

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

//#define int long long int

template <typename T, typename I>
struct segtree {
    int n;
    vector<T> tree;
    vector<I> initial;
    T id;

    segtree(int i_n, vector<I> i_initial, T i_id): n(i_n), initial(i_initial), id(i_id) {
        tree.resize(4 * n);
    }

    T conquer(T left, T right) {
        // write your conquer function
    }

    T value(I inp) {
        // write your value function
    }

    void build(int v, int l, int r) {
        if (l == r) tree[v] = value(initial[l]);
        else {
            int middle = (l + r) / 2;
            build(2 * v, l, middle);
            build(2 * v + 1, middle + 1, r);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    void upd(int v, int l, int r, int i, I x) {
        if (l == r) tree[v] = value(x);
        else {
            int middle = (l + r) / 2;
            if (middle >= i) upd(2 * v, l, middle, i, x);
            else upd(2 * v + 1, middle + 1, r, i, x);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    T query(int v, int l, int r, int ql, int qr) {
        if (ql <= l && r <= qr) return tree[v];
        else if (r < ql || qr < l) return id;
        int middle = (l + r) / 2;
        T left = query(2 * v, l, middle, ql, qr);
        T right = query(2 * v + 1, middle + 1, r, ql, qr);
        return conquer(left, right);
    }
};

// vector<int>

/*long long setN(int n) {
    get(X);
    return X;
}*/

vector<pair<int, int>> Alice() {
    long long X = setN(5000);
    vector<pair<int, int>> res;
    if (X == 25000000) return res;
    if (X % 5001 == 0) {
        int j = X / 5001;
        forto(5000, i) {
            if (i == j) continue;
            res.push_back({i + 1, j + 1});
        }
        return res;
    }
    int a = X / 5000;
    int b = X % 5000;
    if (a < b) {
        forto(5000, i) {
            if (i == a) continue;
            res.push_back({i + 1, a + 1});
        }
        forto(5000, i) {
            if (i == a || i == b) continue;
            res.push_back({i + 1, b + 1});
        }
    } else {
        vector<int> left;
        forto(5000, i) if (i != a && i != b) left.push_back(i);
        forto(3000, i) res.push_back({a + 1, left[i] + 1});
        forto(3000, i) res.push_back({b + 1, left[4997 - i] + 1});
    }
    return res;
}

Bob

// CF template, version 3.0

#include <bits/stdc++.h>

using namespace std;

#define improvePerformance ios_base::sync_with_stdio(false); cin.tie(0)
#define getTest int t; cin >> t
#define eachTest for (int _var=0;_var<t;_var++)
#define get(name) int (name); cin >> (name)
#define out(o) cout << (o)
#define getList(cnt, name) vector<int> (name); for (int _=0;_<(cnt);_++) { get(a); (name).push_back(a); }
#define sortl(name) sort((name).begin(), (name).end())
#define rev(name) reverse((name).begin(), (name).end())
#define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
#define decision(b) if (b){out("YES");}else{out("NO");}

//#define int long long int

template <typename T, typename I>
struct segtree {
    int n;
    vector<T> tree;
    vector<I> initial;
    T id;

    segtree(int i_n, vector<I> i_initial, T i_id): n(i_n), initial(i_initial), id(i_id) {
        tree.resize(4 * n);
    }

    T conquer(T left, T right) {
        // write your conquer function
    }

    T value(I inp) {
        // write your value function
    }

    void build(int v, int l, int r) {
        if (l == r) tree[v] = value(initial[l]);
        else {
            int middle = (l + r) / 2;
            build(2 * v, l, middle);
            build(2 * v + 1, middle + 1, r);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    void upd(int v, int l, int r, int i, I x) {
        if (l == r) tree[v] = value(x);
        else {
            int middle = (l + r) / 2;
            if (middle >= i) upd(2 * v, l, middle, i, x);
            else upd(2 * v + 1, middle + 1, r, i, x);
            tree[v] = conquer(tree[2 * v], tree[2 * v + 1]);
        }
    }

    T query(int v, int l, int r, int ql, int qr) {
        if (ql <= l && r <= qr) return tree[v];
        else if (r < ql || qr < l) return id;
        int middle = (l + r) / 2;
        T left = query(2 * v, l, middle, ql, qr);
        T right = query(2 * v + 1, middle + 1, r, ql, qr);
        return conquer(left, right);
    }
};

// vector<int>

long long Bob(vector<pair<int, int>> edges) {
    if (edges.empty()) return 25000000;
    vector<int> deg(5000);
    for (auto edge: edges) deg[edge.first - 1]++, deg[edge.second - 1]++;
    int heavy = 0;
    for (int d: deg) heavy += d >= 100;
    if (heavy == 1) {
        forto(5000, i) if (deg[i] >= 100) return 5001 * i;
    }
    int two = 0;
    for (int d: deg) two += d >= 2;
    int a = -1;
    int b = -1;
    forto(5000, i) {
        if (deg[i] >= 100) {
            if (a == -1) a = i;
            else b = i;
        }
    }
    if (two >= 2000) return a * 5000 + b;
    return 5000 * b + a;
}

Compilation message (stderr)

Alice.cpp: In function 'std::vector<std::pair<int, int> > Alice()':
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:83:9: note: in expansion of macro 'forto'
   83 |         forto(5000, i) {
      |         ^~~~~
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:92:9: note: in expansion of macro 'forto'
   92 |         forto(5000, i) {
      |         ^~~~~
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:96:9: note: in expansion of macro 'forto'
   96 |         forto(5000, i) {
      |         ^~~~~
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:102:9: note: in expansion of macro 'forto'
  102 |         forto(5000, i) if (i != a && i != b) left.push_back(i);
      |         ^~~~~
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:103:9: note: in expansion of macro 'forto'
  103 |         forto(3000, i) res.push_back({a + 1, left[i] + 1});
      |         ^~~~~
Alice.cpp:16:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   16 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Alice.cpp:104:9: note: in expansion of macro 'forto'
  104 |         forto(3000, i) res.push_back({b + 1, left[4997 - i] + 1});
      |         ^~~~~

Bob.cpp: In function 'long long int Bob(std::vector<std::pair<int, int> >)':
Bob.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Bob.cpp:78:9: note: in expansion of macro 'forto'
   78 |         forto(5000, i) if (deg[i] >= 100) return 5001 * i;
      |         ^~~~~
Bob.cpp:15:35: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   15 | #define forto(name, var) for (int (var) = 0; (var) < (name); (var)++)
      |                                   ^
Bob.cpp:84:5: note: in expansion of macro 'forto'
   84 |     forto(5000, i) {
      |     ^~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 30
• Subtask 3: 0 / 65