oj.uz

Submission #261471

# Submission time Handle Problem Language Result Execution time Memory
261471 2020-08-11T18:35:44 Z Kastanda Koala Game (APIO17_koala) C++11
100 / 100
 86 ms 512 KB 
// M
#include<bits/stdc++.h>
#include "koala.h"
using namespace std;
const int N = 109;
int B[N], R[N];

int minValue(int n, int W)
{
        for (int i = 0; i < n; i ++)
                B[i] = 1;
        playRound(B, R);
        int id = -1;
        for (int i = 0; i < n; i ++)
                if (R[i] > 1)
                        id = i;
        assert(id != -1);
        memset(B, 0, sizeof(B));
        B[id] = 1;
        playRound(B, R);
        for (int i = 0; i < n; i ++)
                if (!R[i])
                        return i;
}

int maxValue(int n, int W)
{
        vector < int > Cnds;
        for (int i = 0; i < n; i ++)
                Cnds.push_back(i);
        while (Cnds.size() > 1)
        {
                memset(B, 0, sizeof(B));
                for (int a : Cnds)
                        B[a] = W / (int)Cnds.size();
                playRound(B, R);
                vector < int > TbC;
                for (int a : Cnds)
                        if (R[a] > B[a])
                                TbC.push_back(a);
                Cnds.swap(TbC);
                TbC.clear();
        }
        assert(Cnds.size());
        return Cnds[0];
}

int greaterValue(int n, int W)
{
        int le = 0, ri = min(11, W / 2), md;
        while (ri - le > 1)
        {
                md = (le + ri) >> 1;
                memset(B, 0, sizeof(B));
                B[0] = md; B[1] = md;
                playRound(B, R);
                int w0 = R[0] > md, w1 = R[1] > md;
                if (w0 && !w1)
                        return 0;
                if (w1 && !w0)
                        return 1;
                if (w0 && w1)
                        le = md;
                else
                        ri = md;
        }
}

inline bool TestRound(int l, int r, int n, int W, int Cw)
{
        if (Cw * (r - l + 1) > W)
                return 0;
        memset(B, 0, sizeof(B));
        for (int i = 0; i < n; i ++)
                B[i] = 0;
        for (int i = l; i <= r; i ++)
                B[i - 1] = Cw;

        int ORGP[210];
        for (int i = 0; i < n; i ++)
                ORGP[i] = i + 1;

    int i, j;

    int cache[2][205];
    int num[2][205];
    char taken[105][205];

    for (i=0;i<205;++i) {
        cache[1][i] = 0;
        num[1][i] = 0;
    }

    for (i=0;i<n;++i) {
        int v = B[i]+1;
        int ii = i&1;
        int o = ii^1;
        for (j=0;j<=W;++j) {
            cache[ii][j] = cache[o][j];
            num[ii][j] = num[o][j];
            taken[i][j] = 0;
        }
        for (j=W;j>=v;--j) {
            int h = cache[o][j-v] + ORGP[i];
            int hn = num[o][j-v] + 1;
            if (h > cache[ii][j] || (h == cache[ii][j] && hn > num[ii][j])) {
                cache[ii][j] = h;
                num[ii][j] = hn;
                taken[i][j] = 1;
            } else {
                taken[i][j] = 0;
            }
        }
    }

    int cur = W;
    for (i=n-1;i>=0;--i) {
        R[i] = taken[i][cur] ? (B[i] + 1) : 0;
        cur -= R[i];
    }

        int Pkd = 0;
        for (int i = l; i <= r; i ++)
                if (R[i - 1] > B[i - 1])
                        Pkd ++;
        if (Pkd == 0 || Pkd == r - l + 1)
                return 0;
        return 1;
}

void Solve(int l, int r, vector < int > A, int n, int W, int * P)
{
        if (r < l)
                return ;
        if (l == r)
                return void(P[A[0]] = l);


        int w = W / n;
        int Cw = W;
        Cw /= (r - l + 1);
        while (Cw && !TestRound(l, r, n, W, Cw))
                Cw --;
        assert(Cw);

        memset(B, 0, sizeof(B));
        for (int i : A)
                B[i] = Cw;

        playRound(B, R);
        vector < int > Le, Ri;
        for (int i : A)
        {
                if (R[i] > B[i])
                        Ri.push_back(i);
                else
                        Le.push_back(i);
        }

        Solve(l, l + (int)Le.size() - 1, Le, n, W, P);
        Solve(l + (int)Le.size(), r, Ri, n, W, P);
        return ;
}

void allValues(int n, int W, int * P)
{
        vector < int > A;
        for (int i = 0; i < n; i ++)
                A.push_back(i);
        Solve(1, n, A, n, W, P);
}

Compilation message

koala.cpp: In function 'void Solve(int, int, std::vector<int>, int, int, int*)':
koala.cpp:139:13: warning: unused variable 'w' [-Wunused-variable]
         int w = W / n;
             ^
koala.cpp: In function 'int minValue(int, int)':
koala.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:67:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 384 KB Output is correct
2 Correct 10 ms 384 KB Output is correct
3 Correct 10 ms 384 KB Output is correct
4 Correct 9 ms 384 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 384 KB Output is correct
2 Correct 18 ms 512 KB Output is correct
3 Correct 20 ms 384 KB Output is correct
4 Correct 18 ms 384 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 384 KB Output is correct
2 Correct 86 ms 384 KB Output is correct
3 Correct 75 ms 384 KB Output is correct
4 Correct 86 ms 396 KB Output is correct
5 Correct 73 ms 384 KB Output is correct
6 Correct 73 ms 384 KB Output is correct
7 Correct 74 ms 384 KB Output is correct
8 Correct 74 ms 384 KB Output is correct
9 Correct 79 ms 504 KB Output is correct
10 Correct 73 ms 384 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 384 KB Output is correct
2 Correct 17 ms 512 KB Output is correct
3 Correct 17 ms 384 KB Output is correct
4 Correct 17 ms 384 KB Output is correct
5 Correct 16 ms 384 KB Output is correct
6 Correct 16 ms 384 KB Output is correct
7 Correct 16 ms 384 KB Output is correct
8 Correct 17 ms 384 KB Output is correct
9 Correct 16 ms 384 KB Output is correct
10 Correct 16 ms 384 KB Output is correct
11 Correct 16 ms 384 KB Output is correct
12 Correct 16 ms 384 KB Output is correct
13 Correct 16 ms 384 KB Output is correct
14 Correct 16 ms 384 KB Output is correct
15 Correct 16 ms 384 KB Output is correct
16 Correct 16 ms 384 KB Output is correct
17 Correct 18 ms 384 KB Output is correct
18 Correct 16 ms 384 KB Output is correct
19 Correct 18 ms 384 KB Output is correct
20 Correct 16 ms 512 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 384 KB Output is correct
2 Correct 59 ms 384 KB Output is correct
3 Correct 63 ms 384 KB Output is correct
4 Correct 64 ms 384 KB Output is correct
5 Correct 60 ms 504 KB Output is correct
6 Correct 58 ms 384 KB Output is correct
7 Correct 58 ms 384 KB Output is correct
8 Correct 59 ms 384 KB Output is correct
9 Correct 58 ms 384 KB Output is correct
10 Correct 59 ms 384 KB Output is correct
11 Correct 59 ms 384 KB Output is correct
12 Correct 60 ms 384 KB Output is correct
13 Correct 60 ms 384 KB Output is correct
14 Correct 60 ms 384 KB Output is correct
15 Correct 58 ms 384 KB Output is correct
16 Correct 59 ms 384 KB Output is correct
17 Correct 58 ms 384 KB Output is correct
18 Correct 58 ms 384 KB Output is correct
19 Correct 58 ms 384 KB Output is correct
20 Correct 58 ms 384 KB Output is correct
21 Correct 58 ms 384 KB Output is correct
22 Correct 58 ms 384 KB Output is correct
23 Correct 59 ms 384 KB Output is correct
24 Correct 59 ms 384 KB Output is correct
25 Correct 60 ms 504 KB Output is correct
26 Correct 58 ms 384 KB Output is correct
27 Correct 59 ms 384 KB Output is correct
28 Correct 59 ms 384 KB Output is correct
29 Correct 58 ms 384 KB Output is correct
30 Correct 59 ms 384 KB Output is correct
31 Correct 60 ms 384 KB Output is correct
32 Correct 58 ms 288 KB Output is correct
33 Correct 58 ms 384 KB Output is correct
34 Correct 58 ms 384 KB Output is correct
35 Correct 60 ms 384 KB Output is correct
36 Correct 58 ms 384 KB Output is correct
37 Correct 59 ms 384 KB Output is correct
38 Correct 59 ms 384 KB Output is correct
39 Correct 68 ms 384 KB Output is correct
40 Correct 59 ms 384 KB Output is correct