Submission #869095

#	Time	Username	Problem	Language	Result	Execution time	Memory
869095		AtabayRajabli	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#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;
    }
    map<int, int> mp;
    for(int i = 0; i<n; i++)mp[i]++

    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);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:10:5: error: 'map' was not declared in this scope
   10 |     map<int, int> mp;
      |     ^~~
cave.cpp:10:9: error: expected primary-expression before 'int'
   10 |     map<int, int> mp;
      |         ^~~
cave.cpp:11:29: error: 'mp' was not declared in this scope
   11 |     for(int i = 0; i<n; i++)mp[i]++
      |                             ^~
cave.cpp:13:20: error: 'i' was not declared in this scope
   13 |     for(int i = 0; i<n; i++)
      |                    ^
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];
      |               ^~~