Submission #402907

#	Time	Username	Problem	Language	Result	Execution time	Memory
402907		A_D	Koala Game (APIO17_koala)	C++14	22 / 100	98 ms	432 KiB

koala

#include "koala.h"


#include <bits/stdc++.h>


int minValue(int N, int W) {
    int ans=0;
    int B[N];
    int R[N];
    memset(B,0,sizeof(B));
    memset(R,0,sizeof(R));
    B[0]=1;
    playRound(B,R);
    for(int i=1;i<N;i++)if(R[i]==0)ans=i;
    return ans;
}

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.
    return 0;
}

int greaterValue(int N, int W) {
    int l=1,r=13,ans;
    int B[N];
    int R[N];
    memset(B,0,sizeof(B));
    while(l<=r){
        int mid=(l+r)/2;
        B[0]=mid;
        B[1]=mid;
        playRound(B, R);
        int a=R[0]>mid;
        int b=R[1]>mid;
        if(a>b)return 0;
        if(b>a)return 1;
        if(a){
            l=mid+1;
        }
        else r=mid-1;
    }
    assert(0);
}

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.
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

Compilation message (stderr)

koala.cpp: In function 'int greaterValue(int, int)':
koala.cpp:27:18: warning: unused variable 'ans' [-Wunused-variable]
   27 |     int l=1,r=13,ans;
      |                  ^~~

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