제출 #869096

#제출 시각아이디문제언어결과실행 시간메모리
869096AtabayRajabli동굴 (IOI13_cave)C++17
0 / 100
108 ms488 KiB
#include "cave.h"
 
void exploreCave(int n) {
    int q = 0;
    int a[n], ans[n], d[n];
    for(int i = 0; i<n; i++)
    {
        a[i] = 0;
    }

    for(int i = 0; i<n; i++)
    {   
        int l = 0, r = n-1, q = tryCombination(a);
        while(l <= r)
        {
            int mid = (l + r) / 2;
            a[mid] ^= 1;

            int k = tryCombination(a);
            if(k == q)
            {
                r = mid - 1;
                a[mid] ^= 1;
            }
            else if(k < q)
            {
                l = mid + 1;
                a[mid] ^= 1;
            }
            else if(k == q + 1)
            {
                break;
            }
        }
    }
    
    answer(a, d);
}

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:4:9: warning: unused variable 'q' [-Wunused-variable]
    4 |     int q = 0;
      |         ^
cave.cpp:5:15: warning: unused variable 'ans' [-Wunused-variable]
    5 |     int a[n], ans[n], d[n];
      |               ^~~
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