oj.uz

Submission #842404

# Submission time Handle Problem Language Result Execution time Memory
842404 2023-09-02T20:14:30 Z Tob Koala Game (APIO17_koala) C++14
43 / 100
 48 ms 600 KB 
#include <bits/stdc++.h>
#include "koala.h"

using namespace std;

int minValue(int N, int W) {
    int arr[100] = {0}, r[100];
    arr[0] = 1;
    playRound(arr, r);
    for (int i = 1; i < N; i++) if (r[i] == 0) return i;
    return 0;
}

int maxValue(int N, int W) {
    int arr[100] = {0}, r[100];
    vector <int> v;
    for (int i = 0; i < N; i++) {
        v.push_back(i);
    }
    while (v.size() > 1) {
        for (int i = 0; i < N; i++) arr[i] = 0;
        int siz = v.size();
        for (int i = 0; i < siz; i++) arr[v[i]] = N/siz;
        playRound(arr, r);
        v.clear();
        for (int i = 0; i < N; i++) if (r[i] > N/siz) v.push_back(i);
    }
    return v[0];
}

int greaterValue(int N, int W) {
    int arr[100] = {0}, r[100];
    int lo = 1, hi = 9;
    while (lo <= hi) {
        int mid = (lo + hi + 1) / 2;
        fill(arr, arr+N, 0);
        arr[0] = arr[1] = mid;
        playRound(arr, r);
        if ((r[0] > mid) != (r[1] > mid)) return (r[0] < r[1]);
        if (r[0] <= mid && r[1] <= mid) hi = mid-1;
        else lo = mid;
    }

    return 0;
}

bool Cmp(int x, int y, int N) {
    int arr[100] = {0}, r[100];
    arr[x] = arr[y] = N;
    playRound(arr, r);
    return r[x] < r[y];
}
void Sort(vector <int>& v, int N) {
    int siz = v.size();
    if (siz == 1) return;
    vector <int> a, b;
    for (int i = 0; i < siz/2; i++) a.push_back(v[i]);
    for (int i = siz/2; i < siz; i++) b.push_back(v[i]);
    v.clear();
    Sort(a, N); Sort(b, N);
    //for (int i = 0; i < a.size(); i++) cout << a[i] << " "; cout << " -  ";
    //for (int i = 0; i < b.size(); i++) cout << b[i] << " "; cout << "\n";
    int x = 0, y = 0;
    for (; x < a.size() && y < b.size();) {
        if (Cmp(a[x], b[y], N)) v.push_back(a[x++]);
        else v.push_back(b[y++]);
    }
    for (; x < a.size(); x++) v.push_back(a[x]);
    for (; y < b.size(); y++) v.push_back(b[y]);
    //for (int i = 0; i < v.size(); i++) cout << v[i] << " "; cout << "\n";
}
void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        vector <int> v;
        for (int i = 0; i < N; i++) v.push_back(i);
        Sort(v, N);
        for (int i = 0; i < N; i++) P[v[i]] = i+1;
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

Compilation message

koala.cpp: In function 'void Sort(std::vector<int>&, int)':
koala.cpp:64:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for (; x < a.size() && y < b.size();) {
      |            ~~^~~~~~~~~~
koala.cpp:64:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for (; x < a.size() && y < b.size();) {
      |                            ~~^~~~~~~~~~
koala.cpp:68:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for (; x < a.size(); x++) v.push_back(a[x]);
      |            ~~^~~~~~~~~~
koala.cpp:69:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     for (; y < b.size(); y++) v.push_back(b[y]);
      |            ~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 3 ms 452 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 596 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 344 KB Output is correct
2 Correct 10 ms 344 KB Output is correct
3 Correct 10 ms 360 KB Output is correct
4 Correct 10 ms 344 KB Output is correct

Subtask #3
14.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 468 KB Output is correct
2 Partially correct 48 ms 460 KB Output is partially correct
3 Correct 43 ms 480 KB Output is correct
4 Correct 40 ms 460 KB Output is correct
5 Partially correct 40 ms 472 KB Output is partially correct
6 Correct 40 ms 472 KB Output is correct
7 Partially correct 39 ms 464 KB Output is partially correct
8 Correct 44 ms 468 KB Output is correct
9 Correct 40 ms 464 KB Output is correct
10 Correct 47 ms 468 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 448 KB Output is correct
2 Correct 25 ms 344 KB Output is correct
3 Correct 26 ms 344 KB Output is correct
4 Correct 27 ms 344 KB Output is correct
5 Correct 25 ms 452 KB Output is correct
6 Correct 24 ms 344 KB Output is correct
7 Correct 24 ms 344 KB Output is correct
8 Correct 25 ms 344 KB Output is correct
9 Correct 24 ms 344 KB Output is correct
10 Correct 24 ms 344 KB Output is correct
11 Correct 24 ms 600 KB Output is correct
12 Correct 16 ms 344 KB Output is correct
13 Correct 24 ms 452 KB Output is correct
14 Correct 23 ms 344 KB Output is correct
15 Correct 23 ms 340 KB Output is correct
16 Correct 22 ms 452 KB Output is correct
17 Correct 22 ms 344 KB Output is correct
18 Correct 22 ms 448 KB Output is correct
19 Correct 22 ms 344 KB Output is correct
20 Correct 22 ms 344 KB Output is correct

Subtask #5
0 / 53.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -