Submission #728039

#	Time	Username	Problem	Language	Result	Execution time	Memory
728039		bitaro1337	Xoractive (IZhO19_xoractive)	C++14	Compilation error	0 ms	0 KiB

Xoractive

#include "interactive.h"
using namespace std;

vector<int> guess(int n) {
    vector<int> ans(n, 0);
    ans[0] = get(1);
    map<int, int> pos;
    for(int i = 0; i < 7; ++i) {
        vector<int> v;
        for(j = 1; j < n; ++j) {
            if(j >> i & 1) {
                v.push_back(j + 1);
            }
        }
        vector<int> A = get_pairwise_xor(v);
        v.push_back(1);
        vector<int> B = get_pairwise_xor(v);
        map<int, int> cnt;
        for(auto x: A) if(x) ++cnt[x];
        for(auto x: B) if(x) --cnt[x];
        for(auto x: cnt) {
            if(x.second) {
                pos[x.first ^ ans[0]] += (1 << i); 
            }
        }
    }
    for(auto x: pos) ans[x.second] = x.first;
    return ans;
}

Compilation message (stderr)

Xoractive.cpp: In function 'std::vector<int> guess(int)':
Xoractive.cpp:6:14: error: 'get' was not declared in this scope
    6 |     ans[0] = get(1);
      |              ^~~
Xoractive.cpp:7:5: error: 'map' was not declared in this scope
    7 |     map<int, int> pos;
      |     ^~~
Xoractive.cpp:2:1: note: 'std::map' is defined in header '<map>'; did you forget to '#include <map>'?
    1 | #include "interactive.h"
  +++ |+#include <map>
    2 | using namespace std;
Xoractive.cpp:7:9: error: expected primary-expression before 'int'
    7 |     map<int, int> pos;
      |         ^~~
Xoractive.cpp:10:13: error: 'j' was not declared in this scope
   10 |         for(j = 1; j < n; ++j) {
      |             ^
Xoractive.cpp:18:13: error: expected primary-expression before 'int'
   18 |         map<int, int> cnt;
      |             ^~~
Xoractive.cpp:19:32: error: 'cnt' was not declared in this scope; did you mean 'int'?
   19 |         for(auto x: A) if(x) ++cnt[x];
      |                                ^~~
      |                                int
Xoractive.cpp:20:32: error: 'cnt' was not declared in this scope; did you mean 'int'?
   20 |         for(auto x: B) if(x) --cnt[x];
      |                                ^~~
      |                                int
Xoractive.cpp:21:21: error: 'cnt' was not declared in this scope; did you mean 'int'?
   21 |         for(auto x: cnt) {
      |                     ^~~
      |                     int
Xoractive.cpp:23:17: error: 'pos' was not declared in this scope
   23 |                 pos[x.first ^ ans[0]] += (1 << i);
      |                 ^~~
Xoractive.cpp:27:17: error: 'pos' was not declared in this scope
   27 |     for(auto x: pos) ans[x.second] = x.first;
      |                 ^~~