Submission #969656

#	Time	Username	Problem	Language	Result	Execution time	Memory
969656		CDuong	Koala Game (APIO17_koala)	C++17	39 / 100	64 ms	720 KiB

koala

#include "koala.h"
#include<bits/stdc++.h>
using namespace std;
 
int B[105], R[105];
 
int minValue(int N, int W) {
    // TODO: Implement Subtask 1 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    return 0;
}
 
 
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 = 1, r = 8;
    while (l < r) {
        int mid = (l + r) >> 1;
        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 = mid + 1;
        else r = mid - 1;
    }
    B[0] = B[1] = l;
    playRound(B, R);
    if (R[0] > l and R[1] <= l) return 0;
    if (R[1] > l and R[0] <= l) return 1;
    assert(0);
    return 0;
 }
 
int n;
 
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];
}
 
 
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 {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

• Subtask 1: 0 / 4
• Subtask 2: 15 / 15
• Subtask 3: 14 / 18
• Subtask 4: 10 / 10
• Subtask 5: 0 / 53