Submission #1090080

#TimeUsernameProblemLanguageResultExecution timeMemory
1090080alexander707070Koala Game (APIO17_koala)C++14
59 / 100
50 ms600 KiB
#include<bits/stdc++.h>
#define MAXN 107
#include "koala.h"

using namespace std;

int b[MAXN],r[MAXN];

int minValue(int N, int W) {
    b[0]=1;
    playRound(b,r);

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

vector<int> can,best;

void reset(){
    best.clear(); can.clear();
    for(int i=0;i<100;i++)b[i]=0;
}

int maxValue(int N, int W) {
    reset();

    for(int i=0;i<100;i++)can.push_back(i);
    
    while(can.size()>1){
        for(int i=0;i<100;i++)b[i]=0;

        for(int i:can){
            b[i]=W/int(can.size());
        }

        playRound(b,r);

        for(int i:can){
            if(r[i]>b[i])best.push_back(i);
        }

        can=best; best={};
    }

    return can[0];
}

int from[MAXN],to[MAXN];

bool compare(int x,int y){
    for(int i=0;i<100;i++)b[i]=0;
    
    int ll=0,rr=10,tt;

    while(ll+1<rr){
        tt=(ll+rr)/2;

        b[x]=b[y]=tt;
        playRound(b,r);

        if(r[x]<=tt and r[y]<=tt){
            rr=tt;
        }else if(r[x]>tt and r[y]>tt){
            ll=tt;
        }else{
            if(r[x]>=tt)return false;
            else return true;
        }
    }

    return false;
}

int greaterValue(int N, int W) {

    if(compare(0,1))return 1;
    else return 0;
}

int order[MAXN];

void allValues(int N, int W, int *P) {
    for(int i=0;i<100;i++){
        order[i]=i;

        from[i]=1; to[i]=100;
    }

    sort(order,order+100,compare);

    for(int i=0;i<N;i++){
        P[order[i]]=i+1;
    }
}
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