oj.uz

Submission #969959

# Submission time Handle Problem Language Result Execution time Memory
969959 2024-04-26T02:04:20 Z socpite Koala Game (APIO17_koala) C++14
100 / 100
 63 ms 596 KB 
#include "koala.h"
#include<bits/stdc++.h>
using namespace std;

#define isz(x) (int)x.size()

int B[105], R[105];

int minValue(int N, int W) {
    B[0] = 1;
    playRound(B, R);
    if(R[0] == 2)for(int i = 0; i < N; i++)if(R[i] == 0)return i;
    return 0;
}
vector<int> search_set = {1, 2, 3, 5, 8};

int maxValue(int N, int W) {
    vector<int> vec = {1, 2, 4, 11};
    vector<int> good(N);
    iota(good.begin(), good.end(), 0);
    for(auto v: vec){
        fill(B, B + N, 0);
        for(auto id: good)B[id] = v;
        playRound(B, R);
        good.clear();
        for(int i = 0; i < N; i++)if(R[i] > v)good.push_back(i);
    }
    return good.back();
}

int greaterValue(int N, int W) {
    int l = 0, r = search_set.size()-1;
    while(l <= r){
        int md = (l+r)>>1;
        int mid = search_set[md];
        B[0] = B[1] = mid;
        playRound(B, R);
        if (R[0] > mid and R[1] <= mid) return 0;
        if (R[1] > mid and R[0] <= mid) return 1;
        if(R[0] > mid && R[1] > mid)l = md + 1;
        else r = md - 1;
    }
    return 0;

    // k p0 <= sum (k+1)so dau tien < p1
}

int n;

// 1-3, 3-9, 6-18, 15-45, 36-100
int bound[9][2] = {
    {0, 0},
    {0, 4},
    {2, 10},
    {5, 19},
    {9, 31},
    {14, 46},
    {20, 64},
    {27, 85},
    {35, 101}
};

int cbound[105][2];

int cnt[105][2];
bool recmp[105][105];

bool cmp(int a, int b){
    // assert(a != b);
    if(recmp[a][b])return 1;
    if(recmp[b][a])return 0;
    int la = max(cnt[a][0] - 1, cbound[a][0]), ra = min(100 - cnt[a][1], cbound[a][1]);
    int lb = max(cnt[b][0] - 1, cbound[b][0]), rb = min(100 - cnt[b][1], cbound[b][1]);
    if(la >= rb){
        cnt[a][0]++;
        cnt[b][1]++;
        recmp[b][a] = 1;
        cbound[a][0] = max(cbound[a][0], cbound[b][0]);
        cbound[b][1] = min(cbound[b][1], cbound[a][1]);
        return 0;
    }
    if(lb >= ra){
        recmp[a][b] = 1;
        cnt[b][0]++;
        cnt[a][1]++;
        cbound[b][0] = max(cbound[b][0], cbound[a][0]);
        cbound[a][1] = min(cbound[a][1], cbound[b][1]);
        return 1;
    }
    int l = -1, r = -1;
    for(int i = 0; i < search_set.size(); i++){
        if(bound[search_set[i]][0] >= min(ra, rb) || bound[search_set[i]][1] <= max(la, lb))continue;
        if(l == -1)l = i;
        r = i;
    }
    while(l <= r){
        int md = (l+r)>>1;
        int mid = search_set[md];
        fill(B, B+n, 0);
        B[a] = B[b] = mid;
        playRound(B, R);
        // cout << mid << " " << R[a] << " " << R[b] << endl;
        if (R[a] > mid and R[b] <= mid) {
            cnt[a][0]++;
            cnt[b][1]++;
            recmp[b][a] = 1;
            cbound[a][0] = max(cbound[a][0], cbound[b][0]);
            cbound[b][1] = min(cbound[b][1], cbound[a][1]);
            return 0;
        }
        if (R[b] > mid and R[a] <= mid) {
            cnt[b][0]++;
            cnt[a][1]++;
            recmp[a][b] = 1; 
            cbound[b][0] = max(cbound[b][0], cbound[a][0]);
            cbound[a][1] = min(cbound[a][1], cbound[b][1]);
            return 1;
        }
        if(R[a] > mid && R[b] > mid){
            l = md + 1;
            cbound[a][0] = max(cbound[a][0], bound[mid][1]);
            cbound[b][0] = max(cbound[b][0], bound[mid][1]);
        }
        else {
            r = md - 1;
            cbound[a][1] = min(cbound[a][1], bound[mid][0]);
            cbound[b][1] = min(cbound[b][1], bound[mid][0]);
        }
    }
    // assert(false);
    return 0;
}

bool cmp_subtask_4(int a, int b){
    fill(B, B+n, 0);
    B[a] = B[b] = n;
    playRound(B, R);
    return R[a] < R[b];
}

mt19937 rng_lmao(69420);

pair<int, int> vis[105][105];

void allValues(int N, int W, int *P) {
    n = N;
    if (W == 2*N) {
        vector<int> vec(N);
        iota(vec.begin(), vec.end(), 0);
        stable_sort(vec.begin(), vec.end(), cmp_subtask_4);
        for(int i = 0; i < N; i++)P[vec[i]] = i+1;
    } else {
        vis[1][101] = {1, 51};
vis[1][51] = {1, 26};
vis[1][26] = {1, 14};
vis[1][14] = {1, 8};
vis[1][8] = {1, 5};
vis[1][5] = {1, 3};
vis[1][3] = {1, 2};
vis[3][5] = {2, 4};
vis[5][8] = {2, 7};
vis[5][7] = {3, 6};
vis[8][14] = {2, 11};
vis[8][11] = {3, 10};
vis[8][10] = {4, 9};
vis[11][14] = {4, 13};
vis[11][13] = {5, 12};
vis[14][26] = {2, 20};
vis[14][20] = {3, 18};
vis[14][18] = {4, 17};
vis[14][17] = {5, 16};
vis[14][16] = {5, 15};
vis[18][20] = {6, 19};
vis[20][26] = {4, 24};
vis[20][24] = {6, 23};
vis[20][23] = {7, 22};
vis[20][22] = {6, 21};
vis[24][26] = {7, 25};
vis[26][51] = {2, 39};
vis[26][39] = {3, 34};
vis[26][34] = {4, 31};
vis[26][31] = {6, 30};
vis[26][30] = {7, 29};
vis[26][29] = {8, 28};
vis[26][28] = {7, 27};
vis[31][34] = {9, 33};
vis[31][33] = {8, 32};
vis[34][39] = {7, 38};
vis[34][38] = {9, 37};
vis[34][37] = {9, 36};
vis[34][36] = {8, 35};
vis[39][51] = {4, 47};
vis[39][47] = {5, 45};
vis[39][45] = {7, 44};
vis[39][44] = {8, 43};
vis[39][43] = {10, 42};
vis[39][42] = {10, 41};
vis[39][41] = {9, 40};
vis[45][47] = {10, 46};
vis[47][51] = {12, 50};
vis[47][50] = {11, 49};
vis[47][49] = {10, 48};
vis[51][101] = {2, 76};
vis[51][76] = {3, 66};
vis[51][66] = {4, 61};
vis[51][61] = {6, 58};
vis[51][58] = {8, 57};
vis[51][57] = {9, 56};
vis[51][56] = {11, 55};
vis[51][55] = {12, 54};
vis[51][54] = {11, 53};
vis[51][53] = {10, 52};
vis[58][61] = {12, 60};
vis[58][60] = {11, 59};
vis[61][66] = {13, 65};
vis[61][65] = {13, 64};
vis[61][64] = {12, 63};
vis[61][63] = {11, 62};
vis[66][76] = {7, 74};
vis[66][74] = {9, 73};
vis[66][73] = {10, 72};
vis[66][72] = {12, 71};
vis[66][71] = {14, 70};
vis[66][70] = {14, 69};
vis[66][69] = {13, 68};
vis[66][68] = {12, 67};
vis[74][76] = {12, 75};
vis[76][101] = {4, 92};
vis[76][92] = {5, 87};
vis[76][87] = {7, 84};
vis[76][84] = {10, 83};
vis[76][83] = {11, 82};
vis[76][82] = {13, 81};
vis[76][81] = {16, 80};
vis[76][80] = {15, 79};
vis[76][79] = {13, 78};
vis[76][78] = {12, 77};
vis[84][87] = {14, 86};
vis[84][86] = {13, 85};
vis[87][92] = {16, 91};
vis[87][91] = {15, 90};
vis[87][90] = {14, 89};
vis[87][89] = {13, 88};
vis[92][101] = {11, 100};
vis[92][100] = {12, 99};
vis[92][99] = {14, 98};
vis[92][98] = {16, 97};
vis[92][97] = {17, 96};
vis[92][96] = {16, 95};
vis[92][95] = {15, 94};
vis[92][94] = {14, 93};

    auto dfs = [&](auto self, vector<int> idx, int l, int r) -> void {
        if (l + 1 == r) {
            P[idx.front()] = l;
            return;
        }
        fill(B, B + n, 0);
        int val = vis[l][r].first;
        // cout << l << " " << r << " " << val << endl;
        for (int idx_ : idx) B[idx_] = val;
        playRound(B, R);
        vector<int> left, right;
        for (int idx_ : idx) {
            if (R[idx_] > val) right.emplace_back(idx_);
            else left.emplace_back(idx_);
        }
        // cout << l << " " << r << " " << l + isz(left) << " " << r - isz(right) << " " << vis[l][r].second << endl;
        // assert(l + isz(left) == vis[l][r].second);
        // assert(r - isz(right) == vis[l][r].second);
        self(self, left, l, l + isz(left));
        self(self, right, r - isz(right), r);
    };
    vector<int> idx(n);
    iota(idx.begin(), idx.end(), 0);
    dfs(dfs, idx, 1, n + 1);
        
    }
}

Compilation message

koala.cpp: In function 'bool cmp(int, int)':
koala.cpp:91:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     for(int i = 0; i < search_set.size(); i++){
      |                    ~~^~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 3 ms 344 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 464 KB Output is correct
3 Correct 11 ms 344 KB Output is correct
4 Correct 10 ms 340 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 472 KB Output is correct
2 Correct 63 ms 488 KB Output is correct
3 Correct 55 ms 480 KB Output is correct
4 Correct 55 ms 476 KB Output is correct
5 Correct 62 ms 484 KB Output is correct
6 Correct 60 ms 476 KB Output is correct
7 Correct 57 ms 476 KB Output is correct
8 Correct 56 ms 488 KB Output is correct
9 Correct 56 ms 472 KB Output is correct
10 Correct 55 ms 596 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 464 KB Output is correct
2 Correct 28 ms 444 KB Output is correct
3 Correct 28 ms 344 KB Output is correct
4 Correct 28 ms 460 KB Output is correct
5 Correct 28 ms 544 KB Output is correct
6 Correct 31 ms 456 KB Output is correct
7 Correct 27 ms 436 KB Output is correct
8 Correct 27 ms 344 KB Output is correct
9 Correct 27 ms 468 KB Output is correct
10 Correct 26 ms 344 KB Output is correct
11 Correct 28 ms 344 KB Output is correct
12 Correct 12 ms 344 KB Output is correct
13 Correct 26 ms 440 KB Output is correct
14 Correct 24 ms 344 KB Output is correct
15 Correct 24 ms 464 KB Output is correct
16 Correct 25 ms 344 KB Output is correct
17 Correct 25 ms 344 KB Output is correct
18 Correct 24 ms 460 KB Output is correct
19 Correct 25 ms 344 KB Output is correct
20 Correct 25 ms 344 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 3 ms 548 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 3 ms 544 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 3 ms 344 KB Output is correct
14 Correct 3 ms 388 KB Output is correct
15 Correct 3 ms 544 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 3 ms 344 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 3 ms 344 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 3 ms 344 KB Output is correct
22 Correct 3 ms 596 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 3 ms 344 KB Output is correct
27 Correct 3 ms 344 KB Output is correct
28 Correct 3 ms 344 KB Output is correct
29 Correct 3 ms 344 KB Output is correct
30 Correct 3 ms 344 KB Output is correct
31 Correct 3 ms 344 KB Output is correct
32 Correct 3 ms 344 KB Output is correct
33 Correct 3 ms 344 KB Output is correct
34 Correct 3 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 3 ms 344 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 2 ms 344 KB Output is correct
39 Correct 3 ms 344 KB Output is correct
40 Correct 3 ms 344 KB Output is correct