제출 #512080

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
512080		InternetPerson10	코알라 (APIO17_koala)	C++17	33 / 100	61 ms	376 KiB

koala

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

using namespace std;

int B[100], 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.
    B[0] = 1;
    playRound(B, R);
    if(R[0] == 2) {
        for(int i = 1; i < N; i++) {
            if(R[i] == 0) return i;
        }
    }
    return 0;
}

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.
    for(int i = 0; i < 100; i++) {
        B[i] = 1;
    }
    playRound(B, R);
    for(int i = 0; i < 100; i++) {
        B[i] = R[i];
    }
    playRound(B, R);
    for(int i = 0; i < 100; i++) {
        if(R[i] == 3) B[i] = 4;
        else B[i] = 0;
    }
    playRound(B, R);
    for(int i = 0; i < 100; i++) {
        if(R[i] == 5) B[i] = 11;
        else B[i] = 0;
    }
    playRound(B, R);
    for(int i = 0; i < 100; i++) {
        if(R[i] == 12) return i;
    }
}

int greaterValue(int N, int W, int X, int Y) {
    // TODO: Implement Subtask 3 solution here.
    // You may leave this function unmodified if you are not attempting this
    // subtask.
    int l = 0, r = 13;
    while(l != r - 1) {
        int mid = (l+r+1)/2;
        B[X] = B[Y] = mid;
        playRound(B, R);
        bool x = (R[X] > mid), y = (R[Y] > mid);
        if(x && y) l = mid;
        else if(!x && !y) r = mid;
        else if(x) return X;
        else if(y) return Y;
    }
    return 0;
}

int greaterValue(int N, int W) {
    return greaterValue(N, W, 0, 1);
}

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.
    }
}

컴파일 시 표준 에러 (stderr) 메시지

koala.cpp: In function 'int maxValue(int, int)':
koala.cpp:47:1: warning: control reaches end of non-void function [-Wreturn-type]
   47 | }
      | ^

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