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Submission #701294

# Submission time Handle Problem Language Result Execution time Memory
701294 2023-02-20T19:09:26 Z Abrar_Al_Samit Koala Game (APIO17_koala) C++17
100 / 100
 45 ms 436 KB 
#include "koala.h"
#include<bits/stdc++.h>

using namespace std;

int lim[101];
int minValue(int N, int W) {
    int B[N], R[N];
    for(int i=0; i<N; ++i) {
        B[i] = R[i] = 0;
    }
    B[0] = 1;
    playRound(B, R);

    if(R[0]<=1) {
        return 0;
    }
    for(int i=1; i<N; ++i) {
        if(R[i]==0) return i;
    }
}

int maxValue(int N, int W) {
    int B[N] = {0}, R[N] = {0};

    set<int>s;
    for(int i=0; i<N; ++i) {
        s.insert(i);
    }

    while(s.size()>1) {
        int val = W / s.size();

        memset(B, 0, sizeof B);
        memset(R, 0, sizeof R);

        for(int x : s) {
            B[x] = val;
        }
        playRound(B, R);

        set<int>new_s;
        for(int i=0; i<N; ++i) if(R[i]>B[i]) {
            if(s.count(i)) new_s.insert(i);
        }
        s = new_s;
    }
    return *s.begin();    
}

int greaterValue(int N, int W) {
    int B[N] = {0}, R[N] = {0};

    int l = 1, r = 13;

    while(l<r) {
        int mid = (l+r)/2;

        B[0] = B[1] = mid;
        playRound(B, R);

        if(B[0]<R[0] && B[1]<R[1]) {
            l = mid+1;
        } else if(B[0]>=R[0] && B[1]>=R[1]) {
            r = mid-1;
        } else {
            if(R[0]>B[0]) return 0;
            return 1;            
        }
    }
}

void solve(set<int>s, int *P, int mx, int N, int W) {
    if(s.size()==1) {
        P[*s.begin()] = mx;
        return;
    }
    int B[N] = {0}, R[N] = {0};
    int val = W / s.size();
    val = min(val, lim[mx]);

    for(int j : s) {
        B[j] = val;
    }
    playRound(B, R);

    set<int>bigger;
    for(int j : s) {
        if(R[j]>B[j]) {
            bigger.insert(j);
        }
    }
    for(int x : bigger) {
        s.erase(x);
    }

    solve(bigger, P, mx, N, W);
    mx -= bigger.size();
    solve(s, P, mx, N, W);
}
bool cmp(int i, int j) {
    int B[100] = {0}, R[100] = {0};

    B[i] = B[j] = 100;
    playRound(B, R);

    if(R[i]>B[i]) return false;
    return true;
}
void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        vector<int>order(N);
        iota(order.begin(), order.end(), 0);

        stable_sort(order.begin(), order.end(), cmp);
        for(int i=0; i<N; ++i) {
            P[order[i]] = i+1;
        }
    } else {
        int S = 0;
        for(int i=1, cur=1; i<=N; ++i) {
            if(i>S) S += cur, ++cur;
            lim[i] = cur-2;
        }

        set<int>s;
        for(int i=0; i<N; ++i) {
            s.insert(i);
        }
        solve(s, P, N, N, W);
    }
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type]
   21 | }
      | ^
koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:71:1: warning: control reaches end of non-void function [-Wreturn-type]
   71 | }
      | ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 4 ms 208 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 324 KB Output is correct
2 Correct 13 ms 328 KB Output is correct
3 Correct 13 ms 208 KB Output is correct
4 Correct 12 ms 208 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 336 KB Output is correct
2 Correct 43 ms 320 KB Output is correct
3 Correct 39 ms 332 KB Output is correct
4 Correct 41 ms 336 KB Output is correct
5 Correct 43 ms 324 KB Output is correct
6 Correct 45 ms 324 KB Output is correct
7 Correct 39 ms 336 KB Output is correct
8 Correct 39 ms 320 KB Output is correct
9 Correct 40 ms 436 KB Output is correct
10 Correct 37 ms 344 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 208 KB Output is correct
2 Correct 33 ms 208 KB Output is correct
3 Correct 31 ms 316 KB Output is correct
4 Correct 34 ms 304 KB Output is correct
5 Correct 30 ms 208 KB Output is correct
6 Correct 30 ms 208 KB Output is correct
7 Correct 29 ms 208 KB Output is correct
8 Correct 30 ms 208 KB Output is correct
9 Correct 36 ms 208 KB Output is correct
10 Correct 34 ms 208 KB Output is correct
11 Correct 33 ms 208 KB Output is correct
12 Correct 14 ms 308 KB Output is correct
13 Correct 28 ms 208 KB Output is correct
14 Correct 26 ms 316 KB Output is correct
15 Correct 26 ms 208 KB Output is correct
16 Correct 27 ms 316 KB Output is correct
17 Correct 29 ms 316 KB Output is correct
18 Correct 27 ms 208 KB Output is correct
19 Correct 28 ms 208 KB Output is correct
20 Correct 29 ms 296 KB Output is correct

Subtask #5
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 336 KB Output is correct
2 Correct 3 ms 336 KB Output is correct
3 Correct 3 ms 336 KB Output is correct
4 Correct 3 ms 336 KB Output is correct
5 Correct 3 ms 336 KB Output is correct
6 Correct 3 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 3 ms 336 KB Output is correct
11 Correct 3 ms 336 KB Output is correct
12 Correct 3 ms 336 KB Output is correct
13 Correct 5 ms 336 KB Output is correct
14 Correct 3 ms 336 KB Output is correct
15 Correct 3 ms 348 KB Output is correct
16 Correct 3 ms 336 KB Output is correct
17 Correct 3 ms 336 KB Output is correct
18 Correct 3 ms 336 KB Output is correct
19 Correct 3 ms 336 KB Output is correct
20 Correct 3 ms 336 KB Output is correct
21 Correct 3 ms 336 KB Output is correct
22 Correct 3 ms 336 KB Output is correct
23 Correct 3 ms 336 KB Output is correct
24 Correct 3 ms 336 KB Output is correct
25 Correct 3 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 3 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 4 ms 336 KB Output is correct
30 Correct 3 ms 336 KB Output is correct
31 Correct 3 ms 336 KB Output is correct
32 Correct 3 ms 328 KB Output is correct
33 Correct 3 ms 336 KB Output is correct
34 Correct 3 ms 336 KB Output is correct
35 Correct 3 ms 336 KB Output is correct
36 Correct 3 ms 336 KB Output is correct
37 Correct 4 ms 336 KB Output is correct
38 Correct 3 ms 336 KB Output is correct
39 Correct 3 ms 336 KB Output is correct
40 Correct 3 ms 336 KB Output is correct