Submission #637036

#	Time	Username	Problem	Language	Result	Execution time	Memory
637036		bonk	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

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

void exploreCave(int n){
    vector<int>s(n, -1), d(n);
    vector<bool>mark(n);
    for(int i = 0; i < n; i++){
        for(int j = 0; j < n; j++) if(!mark[j]) s[j] = 0;
        int x = tryCombination(s);
        if(x == i){
            for(int j = 0; j < n; j++) if(!mark[j]) s[j] = 1;
        }

        int l = 0, r = n - 1;
        int a = 0;

        while(l <= r){
            int mid = (l + r)/2;
            for(int j = 0; j < mid; j++) if(!mark[j]) s[j] ^= 1;
            int tmp = tryCombination(s);
            if(tmp == -1) tmp = n + 1;
            if(tmp > i){
                a = mid;
                l = mid + 1;
            } else{
                r = mid - 1;
            }
            for(int j = 0; j < mid; j++) if(!mark[j]) s[j] ^= 1;
        }

        mark[a] = true;
        d[a] = i;
    }

    answer(s, d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:5:5: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
    5 |     vector<int>s(n, -1), d(n);
      |     ^~~~~~
      |     std::vector
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from cave.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
cave.cpp:5:12: error: expected primary-expression before 'int'
    5 |     vector<int>s(n, -1), d(n);
      |            ^~~
cave.cpp:6:12: error: expected primary-expression before 'bool'
    6 |     vector<bool>mark(n);
      |            ^~~~
cave.cpp:8:40: error: 'mark' was not declared in this scope
    8 |         for(int j = 0; j < n; j++) if(!mark[j]) s[j] = 0;
      |                                        ^~~~
cave.cpp:8:49: error: 's' was not declared in this scope
    8 |         for(int j = 0; j < n; j++) if(!mark[j]) s[j] = 0;
      |                                                 ^
cave.cpp:9:32: error: 's' was not declared in this scope
    9 |         int x = tryCombination(s);
      |                                ^
cave.cpp:11:44: error: 'mark' was not declared in this scope
   11 |             for(int j = 0; j < n; j++) if(!mark[j]) s[j] = 1;
      |                                            ^~~~
cave.cpp:19:46: error: 'mark' was not declared in this scope
   19 |             for(int j = 0; j < mid; j++) if(!mark[j]) s[j] ^= 1;
      |                                              ^~~~
cave.cpp:28:46: error: 'mark' was not declared in this scope
   28 |             for(int j = 0; j < mid; j++) if(!mark[j]) s[j] ^= 1;
      |                                              ^~~~
cave.cpp:31:9: error: 'mark' was not declared in this scope
   31 |         mark[a] = true;
      |         ^~~~
cave.cpp:32:9: error: 'd' was not declared in this scope
   32 |         d[a] = i;
      |         ^
cave.cpp:35:12: error: 's' was not declared in this scope
   35 |     answer(s, d);
      |            ^
cave.cpp:35:15: error: 'd' was not declared in this scope
   35 |     answer(s, d);
      |               ^