oj.uz

Submission #866721

# Submission time Handle Problem Language Result Execution time Memory
866721 2023-10-26T21:26:24 Z vjudge1 Monster Game (JOI21_monster) C++17
0 / 100
 120 ms 1104 KB 
#include <bits/stdc++.h>
#include "monster.h"
using namespace std;

/*vector<int> a;

bool Query(int x, int y)
{
    //cout << "? " << x << " " << y << '\n';
    bool win=false;
    if (a[x]-a[y]>1 || a[y]-a[x]==1)
        win=true;
    //cout << win << '\n';

    return win;
}*/

bool compare(int x, int y)
{
    return !Query(x, y);
}

int firstelement(int x, int n)
{
    int win=0;
    for (int i=0; i<n; i++)
    {
        if (i==x)
            continue;
        win=win+Query(x, i);
    }
    if (win<2)
        return 0;

    return 1;
}

int bigfirstelement(int x, int n)
{
    int win=0;
    for (int i=0; i<n; i++)
    {
        if (i==x)
            continue;
        win=win+Query(x, i);
    }
    if (win==n-2)
        return n-2;

    return n-1;
}

vector<int> Solve(int n)
{
    int order[n];
    for (int i=0; i<n; i++)
        order[i]=i;
    sort(order, order+n, compare);
    vector<int> win;
    for (int i=1; i<n; i++)
        if (Query(order[0], order[i]))
            win.push_back(i);
    int current;
    if (win.size()<2)
        current=firstelement(order[win[0]], n);
    else if (win.size()==n-2)
        current=bigfirstelement(order[win[0]], n);
    else
        current=win[win.size()-2];
    vector<int> strength;
    int last=-1, check=0, x=current;
    while (x>last)
    {
        strength.push_back(x);
        x=x-1;
    }
    while (strength.size()<n)
    {
        for (int i=strength.size(); i<n; i++)
            if (Query(order[check], order[i]))
            {
                check=strength.size();
                last=current;
                current=current+(i-strength.size()+1);
                break;
            }
        x=current;
        while (x>last)
        {
            strength.push_back(x);
            x=x-1;
        }
    }
    vector<int> finalstrength(n);
    for (int i=0; i<n; i++)
        finalstrength[order[i]]=strength[i];

    return finalstrength;
}

/*int main()
{
    a={3, 1, 4, 2, 0};
    for (auto x : a)
        cout << x << " ";
    cout << '\n';
    vector<int> t=Solve(5);
    for (auto x : t)
        cout << x << " ";

    return 0;
}*/



/*#include <bits/stdc++.h>
#include "monster.h"
using namespace std;

vector<int> a;

bool Query(int x, int y)
{
    cout << "? " << x << " " << y << '\n';
    bool win=false;
    if (a[x]-a[y]>1 || a[y]-a[x]==1)
        win=true;
    cout << win << '\n';

    return win;
}

vector<int> Solve(int n)
{
    int wins[n]={0};
    bool outcome[n][n];
    vector<int> strength(n);
    for (int i=0; i<n; i++)
        for (int j=i+1; j<n; j++)
        {
            outcome[i][j]=Query(i, j);
            if (outcome[i][j]==true)
                wins[i]=wins[i]+1;
            else
                wins[j]=wins[j]+1;
        }
    cout << "wins\n";
    for (int i=0; i<n; i++)
        cout << wins[i] << " ";
    cout << '\n';
    for (int i=0; i<n; i++)
        strength[i]=wins[i];
    for (int i=0; i<n; i++)
        for (int j=i+1; j<n; j++)
        {
            if (wins[i]==n-2 && wins[j]==n-2)
            {
                strength[i]=n-1;
                strength[j]=n-2;
                if (outcome[i][j]==true)
                    swap(strength[i], strength[j]);

            }
            if (wins[i]==1 && wins[j]==1)
            {
                strength[i]=1;
                strength[j]=0;
                if (outcome[i][j]==true)
                    swap(strength[i], strength[j]);

            }
        }

    return strength;
}

int main()
{
    a={3, 1, 4, 2, 0};
    vector<int> t=Solve(5);
    for (auto x : t)
        cout << x << " ";

    return 0;
}*/

Compilation message

monster.cpp: In function 'std::vector<int> Solve(int)':
monster.cpp:66:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   66 |     else if (win.size()==n-2)
      |              ~~~~~~~~~~^~~~~
monster.cpp:77:27: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   77 |     while (strength.size()<n)
      |            ~~~~~~~~~~~~~~~^~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Incorrect 0 ms 344 KB Wrong Answer [3]
4 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Incorrect 0 ms 344 KB Wrong Answer [3]
4 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# Verdict Execution time Memory Grader output
1 Partially correct 61 ms 424 KB Partially correct
2 Partially correct 60 ms 668 KB Partially correct
3 Partially correct 74 ms 672 KB Partially correct
4 Partially correct 87 ms 344 KB Partially correct
5 Partially correct 50 ms 412 KB Partially correct
6 Partially correct 62 ms 668 KB Partially correct
7 Partially correct 89 ms 672 KB Partially correct
8 Partially correct 68 ms 668 KB Partially correct
9 Partially correct 54 ms 412 KB Partially correct
10 Partially correct 94 ms 408 KB Partially correct
11 Partially correct 92 ms 592 KB Partially correct
12 Partially correct 79 ms 1104 KB Partially correct
13 Incorrect 120 ms 416 KB Wrong Answer [6]
14 Halted 0 ms 0 KB -