Submission #404243

#	Time	Username	Problem	Language	Result	Execution time	Memory
404243		Haruto810198	Koala Game (APIO17_koala)	C++17	47 / 100	62 ms	336 KiB

koala

#include <bits/stdc++.h>
#include "koala.h"

using namespace std;

//#define int long long
#define double long double

#define FOR(i,l,r,d) for(int i=(l);i<=(r);i+=(d))
#define szof(x) ((x).size())

#define vi vector<int>
#define pii pair<int,int>

#define F first
#define S second

#define pb push_back
#define eb emplace_back
#define mkp make_pair

const int INF = 2147483647;
const int MOD = 1000000007;
const int mod = 998244353;
const double eps = 1e-12;

int B[100];
int R[100];

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.

    FOR(i,0,N-2,1){
        B[i] = 0;
    }
    B[N-1] = 1;

    playRound(B, R);

    int res = 0;
    FOR(i,0,N-1,1){
        if(R[i]<=B[i]){
            res = i;
        }
    }

    return res;
}

int maxValue(int N, int W) {
    // TODO: Implement Subtask 2 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.

    bool isMax[N];

    /// Round 0: 100 -> 50
    /// Round 1: 50 -> 25
    /// Round 2: 25 -> 9
    /// Round 3: 9 -> 1
    int Maxstone[4] = {1, 2, 4, 11};

    FOR(i,0,N-1,1){
        isMax[i] = 1;
    }

    FOR(Round,0,3,1){

        FOR(i,0,N-1,1){
            if(isMax[i]==1){
                B[i] = Maxstone[Round];
            }
            else{
                B[i] = 0;
            }
        }

        playRound(B, R);

        FOR(i,0,N-1,1){
            if(R[i]>B[i] and isMax[i]==1){
                isMax[i] = 1;
            }
            else{
                isMax[i] = 0;
            }
        }

    }

    FOR(i,0,N-1,1){
        if(isMax[i]){
            return i;
        }
    }

    return 0;

}

int greaterValue(int N, int W) {
    // TODO: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.

    FOR(i,2,N-1,1){
        B[i] = 0;
    }

    int lb=1, rb=14, mid;
    while(lb<rb){

        mid = (lb+rb) / 2;
        B[0] = B[1] = mid;

        playRound(B, R);

        if(R[0]>B[0] and R[1]>B[1]){
            lb = mid+1;
        }
        else if(R[0]<=B[0] and R[1]<=B[1]){
            rb = mid-1;
        }
        else{
            if(R[0]>B[0]){
                return 0;
            }
            else{
                return 1;
            }
        }

    }

    return 0;

}

bool cmp(int n1, int n2){
    FOR(i,0,99,1){
        B[i] = 0;
    }
    B[n1] = B[n2] = 100;
    playRound(B, R);
    return (R[n1]<R[n2]);
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.

        int rk[100];

        FOR(i,0,99,1){
            rk[i] = i;
        }

        stable_sort(rk,rk+100,cmp);

        FOR(i,0,99,1){
            P[rk[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: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 18 / 18
• Subtask 4: 10 / 10
• Subtask 5: 0 / 53