oj.uz

Submission #200849

# Submission time Handle Problem Language Result Execution time Memory
200849 2020-02-08T10:07:23 Z BThero Koala Game (APIO17_koala) C++17
81 / 100
 109 ms 508 KB 
// Why am I so dumb? :c
// chrono::system_clock::now().time_since_epoch().count()
                                                  
#include<bits/stdc++.h>
#include "koala.h"
//#include<ext/pb_ds/assoc_container.hpp>
//#include<ext/pb_ds/tree_policy.hpp>

#define pb push_back
#define mp make_pair

#define all(x) (x).begin(), (x).end()

#define fi first
#define se second

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;   
typedef pair<int, int> pii;
//template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

int n, w;

int minValue(int N, int W) {
    int me[N], you[N];

    for (int i = 0; i < N; ++i) {
        me[i] = 0;
    }

    me[0] = 1;
    playRound(me, you);
    int i = 0;

    while (you[i]) {
        ++i;
    }

    return i;
}

int maxValue(int N, int W) {
    int me[N], you[N];
    vector<int> v;

    for (int i = 0; i < N; ++i) {
        v.pb(i);
    }

    while (v.size() > 1) {
        int sz = v.size();
        int k = (W + sz) / sz - 1;
        fill(me, me + N, 0);
                
        // v.size() > k

        for (int x : v) {
            me[x] = k;
        }

        playRound(me, you);

        vector<int> nv;

        for (int x : v) {
            if (you[x] > me[x]) {
                nv.pb(x);
            }
        }

        assert(!nv.empty());
        v = nv;            
    }
    
    return v[0];
}

bool cmp(int a, int b) {
    int me[n] = {}, you[n];
    int L = 1, R = 8;

    while (L <= R) {
        int x = (L + R) >> 1;
        me[a] = me[b] = x;
        playRound(me, you);

        if (you[a] != you[b]) {
            if (you[a] > you[b]) {
                return 0;
            }
            else {
                return 1;
            }
        }

        if (you[a] > 0) {
            L = x + 1;
        }
        else {
            R = x - 1;
        }
    }
}

bool cmp2(int a, int b) {
    int me[n] = {}, you[n];
    me[a] = me[b] = n;
    playRound(me, you); 
    return you[b] > me[b];
}

int greaterValue(int N, int W) {
    n = N;
    w = W;
    return cmp(0, 1) ? 1 : 0;        
}

vector<int> solve(vector<int> v) {
    //stable_sort(all(v), cmp);
    //return v;

    if (v.size() <= 1) {
        return v;
    }    

    int me[n] = {}, you[n];
    int k = w / v.size();

    for (int x : v) {
        me[x] = k;
    }

    playRound(me, you);
    vector<int> a, b;

    for (int x : v) {
        if (you[x] > 0) {
            b.pb(x);
        }
        else {
            a.pb(x);
        }
    }

    if (a.empty() || b.empty()) {
        stable_sort(all(v), cmp);
        return v;
    }

    a = solve(a);
    b = solve(b);                            

    for (int x : b) {
        a.pb(x);
    }

    return a;
}

void allValues(int N, int W, int *P) {
    n = N;
    w = W;    
    vector<int> v;

    for (int i = 0; i < n; ++i) {
        v.pb(i);
    }

    if (w == 2 * n) {
        stable_sort(all(v), cmp2);
    }
    else {
        v = solve(v);
    }

    for (int i = 0; i < v.size(); ++i) {
        P[v[i]] = i + 1;
    }
}

Compilation message

koala.cpp: In function 'void allValues(int, int, int*)':
koala.cpp:178:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); ++i) {
                     ~~^~~~~~~~~~
koala.cpp: In function 'bool cmp(int, int)':
koala.cpp:105:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 376 KB Output is correct
2 Correct 10 ms 376 KB Output is correct
3 Correct 10 ms 376 KB Output is correct
4 Correct 10 ms 248 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 248 KB Output is correct
2 Correct 22 ms 248 KB Output is correct
3 Correct 22 ms 248 KB Output is correct
4 Correct 22 ms 376 KB Output is correct

Subtask #3
14.0 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 99 ms 376 KB Output is partially correct
2 Partially correct 109 ms 248 KB Output is partially correct
3 Partially correct 93 ms 248 KB Output is partially correct
4 Partially correct 91 ms 248 KB Output is partially correct
5 Partially correct 93 ms 376 KB Output is partially correct
6 Partially correct 95 ms 248 KB Output is partially correct
7 Partially correct 92 ms 352 KB Output is partially correct
8 Partially correct 100 ms 248 KB Output is partially correct
9 Partially correct 95 ms 248 KB Output is partially correct
10 Partially correct 88 ms 248 KB Output is partially correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 248 KB Output is correct
2 Correct 55 ms 376 KB Output is correct
3 Correct 54 ms 248 KB Output is correct
4 Correct 52 ms 332 KB Output is correct
5 Correct 53 ms 248 KB Output is correct
6 Correct 54 ms 248 KB Output is correct
7 Correct 53 ms 376 KB Output is correct
8 Correct 54 ms 248 KB Output is correct
9 Correct 52 ms 248 KB Output is correct
10 Correct 53 ms 376 KB Output is correct
11 Correct 54 ms 248 KB Output is correct
12 Correct 25 ms 248 KB Output is correct
13 Correct 52 ms 252 KB Output is correct
14 Correct 48 ms 252 KB Output is correct
15 Correct 47 ms 248 KB Output is correct
16 Correct 50 ms 252 KB Output is correct
17 Correct 49 ms 248 KB Output is correct
18 Correct 48 ms 248 KB Output is correct
19 Correct 49 ms 376 KB Output is correct
20 Correct 49 ms 248 KB Output is correct

Subtask #5
38.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 18 ms 376 KB Output is partially correct
2 Partially correct 20 ms 376 KB Output is partially correct
3 Partially correct 18 ms 248 KB Output is partially correct
4 Partially correct 18 ms 376 KB Output is partially correct
5 Partially correct 17 ms 504 KB Output is partially correct
6 Partially correct 17 ms 248 KB Output is partially correct
7 Partially correct 17 ms 376 KB Output is partially correct
8 Partially correct 17 ms 376 KB Output is partially correct
9 Partially correct 18 ms 248 KB Output is partially correct
10 Partially correct 19 ms 376 KB Output is partially correct
11 Partially correct 17 ms 376 KB Output is partially correct
12 Partially correct 13 ms 248 KB Output is partially correct
13 Partially correct 17 ms 248 KB Output is partially correct
14 Partially correct 18 ms 248 KB Output is partially correct
15 Partially correct 17 ms 248 KB Output is partially correct
16 Partially correct 18 ms 248 KB Output is partially correct
17 Partially correct 19 ms 248 KB Output is partially correct
18 Partially correct 18 ms 508 KB Output is partially correct
19 Partially correct 17 ms 248 KB Output is partially correct
20 Partially correct 17 ms 252 KB Output is partially correct
21 Partially correct 17 ms 248 KB Output is partially correct
22 Partially correct 17 ms 248 KB Output is partially correct
23 Partially correct 17 ms 376 KB Output is partially correct
24 Partially correct 17 ms 248 KB Output is partially correct
25 Partially correct 17 ms 248 KB Output is partially correct
26 Partially correct 17 ms 248 KB Output is partially correct
27 Partially correct 17 ms 248 KB Output is partially correct
28 Partially correct 17 ms 248 KB Output is partially correct
29 Partially correct 16 ms 248 KB Output is partially correct
30 Partially correct 17 ms 300 KB Output is partially correct
31 Partially correct 18 ms 380 KB Output is partially correct
32 Partially correct 18 ms 376 KB Output is partially correct
33 Partially correct 18 ms 248 KB Output is partially correct
34 Partially correct 17 ms 252 KB Output is partially correct
35 Partially correct 16 ms 248 KB Output is partially correct
36 Partially correct 19 ms 508 KB Output is partially correct
37 Partially correct 17 ms 248 KB Output is partially correct
38 Partially correct 18 ms 252 KB Output is partially correct
39 Partially correct 18 ms 248 KB Output is partially correct
40 Partially correct 17 ms 248 KB Output is partially correct