oj.uz

Submission #156541

# Submission time Handle Problem Language Result Execution time Memory
156541 2019-10-06T11:55:56 Z Alexa2001 Koala Game (APIO17_koala) C++17
63 / 100
 70 ms 540 KB 
#include "koala.h"
#include <bits/stdc++.h>

using namespace std;

const int Nmax = 105;
int a[Nmax], b[Nmax];

int minValue(int N, int W)
{
    int i;
    for(i=1; i<N; ++i) a[i] = 0;
    a[1] = 1;

    int id;
    playRound(a, b);

    for(i=0; i<N; ++i)
        if(b[i] < a[i] + 1)
            id = i;
    return id;
}

int maxValue(int N, int W)
{
    int i, step, nr = N;
    bool used[Nmax];

    for(i=0; i<N; ++i) used[i] = 1;

    for(step = 0; step < 4; ++step)
    {
        for(i=0; i<N; ++i)
            if(used[i]) a[i] = N / nr;
                else a[i] = 0;

        playRound(a, b);

        for(i=0; i<N; ++i)
            if(used[i] && b[i] <= a[i])
                used[i] = 0, --nr;
    }

    assert(nr == 1);
    for(i=0; i<N; ++i)
        if(used[i]) return i;
    assert(0);
}

bool cmp(int x, int y) /// 1 daca x < y;
{
    if(x == y) return 0;

    int l = 1, r = 9, mid;
    while(1)
    {
        mid = (l + r) / 2;

        int i;
        for(i=0; i<100; ++i) a[i] = ((i == x || i == y) ? mid : 0);

        playRound(a, b);

        bool X, Y;
        X = b[x] > a[x];
        Y = b[y] > a[y];

        if(X ^ Y)
            return Y;

        if(!X) r = mid - 1;
            else l = mid + 1;
    }
    assert(0);
}

bool cmp2(int x, int y)
{
    if(x == y) return 0;

    int i;
    for(i=0; i<100; ++i) a[i] = 0;
    a[x] = a[y] = 100;

    playRound(a, b);

    return (a[y] < b[y]);
}

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

void allValues(int N, int W, int *P)
{
    int i;
    for(i=0; i<N; ++i) P[i] = i;
    int ans[Nmax];

    if (W == 2*N)
        sort(P, P+N, cmp2);
    else
        stable_sort(P, P+N, cmp);

    for(i=0; i<N; ++i)
        ans[P[i]] = i+1;

    for(i=0; i<N; ++i)
        P[i] = ans[i];
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:21:12: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return id;
            ^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 380 KB Output is correct
2 Correct 6 ms 380 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 376 KB Output is correct
2 Correct 17 ms 376 KB Output is correct
3 Correct 16 ms 376 KB Output is correct
4 Correct 16 ms 380 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 504 KB Output is correct
2 Correct 70 ms 444 KB Output is correct
3 Correct 60 ms 376 KB Output is correct
4 Correct 59 ms 376 KB Output is correct
5 Correct 60 ms 456 KB Output is correct
6 Correct 62 ms 376 KB Output is correct
7 Correct 60 ms 540 KB Output is correct
8 Correct 61 ms 376 KB Output is correct
9 Correct 62 ms 376 KB Output is correct
10 Correct 60 ms 376 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 416 KB Output is correct
2 Incorrect 43 ms 372 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
26.0 / 53.0

# Verdict Execution time Memory Grader output
1 Partially correct 21 ms 376 KB Output is partially correct
2 Partially correct 32 ms 376 KB Output is partially correct
3 Partially correct 34 ms 384 KB Output is partially correct
4 Partially correct 32 ms 376 KB Output is partially correct
5 Partially correct 33 ms 376 KB Output is partially correct
6 Partially correct 31 ms 376 KB Output is partially correct
7 Partially correct 31 ms 376 KB Output is partially correct
8 Partially correct 31 ms 376 KB Output is partially correct
9 Partially correct 32 ms 376 KB Output is partially correct
10 Partially correct 32 ms 376 KB Output is partially correct
11 Partially correct 32 ms 376 KB Output is partially correct
12 Partially correct 16 ms 376 KB Output is partially correct
13 Partially correct 31 ms 376 KB Output is partially correct
14 Partially correct 31 ms 376 KB Output is partially correct
15 Partially correct 31 ms 376 KB Output is partially correct
16 Partially correct 32 ms 376 KB Output is partially correct
17 Partially correct 32 ms 376 KB Output is partially correct
18 Partially correct 32 ms 376 KB Output is partially correct
19 Partially correct 31 ms 376 KB Output is partially correct
20 Partially correct 31 ms 376 KB Output is partially correct
21 Partially correct 30 ms 376 KB Output is partially correct
22 Partially correct 33 ms 376 KB Output is partially correct
23 Partially correct 27 ms 376 KB Output is partially correct
24 Partially correct 31 ms 376 KB Output is partially correct
25 Partially correct 30 ms 504 KB Output is partially correct
26 Partially correct 32 ms 376 KB Output is partially correct
27 Partially correct 31 ms 376 KB Output is partially correct
28 Partially correct 31 ms 376 KB Output is partially correct
29 Partially correct 31 ms 376 KB Output is partially correct
30 Partially correct 31 ms 376 KB Output is partially correct
31 Partially correct 32 ms 376 KB Output is partially correct
32 Partially correct 32 ms 376 KB Output is partially correct
33 Partially correct 31 ms 376 KB Output is partially correct
34 Partially correct 27 ms 376 KB Output is partially correct
35 Partially correct 32 ms 376 KB Output is partially correct
36 Partially correct 30 ms 376 KB Output is partially correct
37 Partially correct 28 ms 376 KB Output is partially correct
38 Partially correct 29 ms 376 KB Output is partially correct
39 Partially correct 28 ms 412 KB Output is partially correct
40 Partially correct 30 ms 388 KB Output is partially correct