oj.uz

Submission #203010

# Submission time Handle Problem Language Result Execution time Memory
203010 2020-02-19T02:28:15 Z guangxuan Xoractive (IZhO19_xoractive) C++14
100 / 100
 9 ms 504 KB 
#include "interactive.h"
#include <unordered_map>
#include <vector>
using namespace std;



unordered_map<int,int> m2vec(vector<int> v,int n){
    unordered_map<int,int> res;
    for(int i=n;i<v.size();i+=2)res[v[i]]++;
    return res;
}

vector<int> getnums(vector<int> pos,int an,int n){
    vector<int> qp;
    for(int i:pos)qp.push_back(i);
    unordered_map<int,int> qr1 = m2vec(get_pairwise_xor(qp),(int)qp.size());
    qp.push_back(n);
    unordered_map<int,int> qr2 = m2vec(get_pairwise_xor(qp),(int)qp.size());
    for(pair<int,int> i:qr1){
        qr2[i.first]-=i.second;
        if(qr2[i.first]==0)qr2.erase(i.first);
    }
    vector<int> nums;
    for(pair<int,int> i:qr2){
        nums.push_back(i.first ^ an);
    }
    return nums;
}

vector<int> guess(int n) {
    int an = ask(n);
    int l2=7;
    unordered_map<int,int> valuetoindex;
    for(int bi=0;bi<l2;bi++){
        vector<int> pos;
        for(int j=1;j<n;j++){
            if(j&(1<<bi)){
                pos.push_back(j);
            }
        }
        if(pos.size()==0)continue;
        vector<int> res = getnums(pos,an,n);
        for(int i:res){
            valuetoindex[i]+=1<<bi;
        }
    }
    vector<int> ans(n);
    ans[n-1] = an;
    for(pair<int,int> i:valuetoindex){
        ans[i.second-1] = i.first;
    }
    return ans;
}

Compilation message

Xoractive.cpp: In function 'std::unordered_map<int, int> m2vec(std::vector<int>, int)':
Xoractive.cpp:10:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=n;i<v.size();i+=2)res[v[i]]++;
                 ~^~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 248 KB Output is correct
2 Correct 4 ms 248 KB Output is correct
3 Correct 4 ms 248 KB Output is correct
4 Correct 4 ms 376 KB Output is correct

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 376 KB Output is correct
2 Correct 9 ms 380 KB Output is correct
3 Correct 6 ms 248 KB Output is correct
4 Correct 8 ms 376 KB Output is correct
5 Correct 9 ms 376 KB Output is correct
6 Correct 8 ms 376 KB Output is correct
7 Correct 6 ms 248 KB Output is correct
8 Correct 8 ms 376 KB Output is correct
9 Correct 8 ms 504 KB Output is correct
10 Correct 8 ms 376 KB Output is correct
11 Correct 6 ms 248 KB Output is correct
12 Correct 8 ms 376 KB Output is correct
13 Correct 9 ms 412 KB Output is correct
14 Correct 9 ms 380 KB Output is correct
15 Correct 7 ms 376 KB Output is correct
16 Correct 8 ms 376 KB Output is correct
17 Correct 9 ms 376 KB Output is correct
18 Correct 8 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 8 ms 376 KB Output is correct
21 Correct 8 ms 380 KB Output is correct
22 Correct 8 ms 376 KB Output is correct
23 Correct 6 ms 248 KB Output is correct
24 Correct 9 ms 376 KB Output is correct
25 Correct 8 ms 376 KB Output is correct
26 Correct 8 ms 376 KB Output is correct
27 Correct 6 ms 248 KB Output is correct
28 Correct 9 ms 376 KB Output is correct
29 Correct 9 ms 376 KB Output is correct
30 Correct 9 ms 504 KB Output is correct
31 Correct 6 ms 376 KB Output is correct
32 Correct 8 ms 376 KB Output is correct
33 Correct 9 ms 376 KB Output is correct
34 Correct 9 ms 376 KB Output is correct
35 Correct 6 ms 248 KB Output is correct
36 Correct 8 ms 376 KB Output is correct
37 Correct 8 ms 376 KB Output is correct
38 Correct 8 ms 376 KB Output is correct
39 Correct 6 ms 248 KB Output is correct
40 Correct 8 ms 376 KB Output is correct
41 Correct 8 ms 376 KB Output is correct
42 Correct 8 ms 376 KB Output is correct
43 Correct 6 ms 376 KB Output is correct
44 Correct 8 ms 376 KB Output is correct
45 Correct 8 ms 376 KB Output is correct
46 Correct 8 ms 416 KB Output is correct
47 Correct 7 ms 376 KB Output is correct
48 Correct 8 ms 376 KB Output is correct
49 Correct 8 ms 376 KB Output is correct
50 Correct 8 ms 376 KB Output is correct
51 Correct 6 ms 248 KB Output is correct
52 Correct 8 ms 504 KB Output is correct
53 Correct 8 ms 376 KB Output is correct
54 Correct 8 ms 376 KB Output is correct
55 Correct 7 ms 248 KB Output is correct
56 Correct 8 ms 376 KB Output is correct
57 Correct 9 ms 376 KB Output is correct
58 Correct 8 ms 376 KB Output is correct
59 Correct 7 ms 248 KB Output is correct
60 Correct 8 ms 408 KB Output is correct
61 Correct 9 ms 504 KB Output is correct
62 Correct 9 ms 504 KB Output is correct
63 Correct 6 ms 504 KB Output is correct
64 Correct 8 ms 376 KB Output is correct
65 Correct 9 ms 380 KB Output is correct
66 Correct 8 ms 376 KB Output is correct
67 Correct 6 ms 248 KB Output is correct
68 Correct 9 ms 376 KB Output is correct
69 Correct 8 ms 376 KB Output is correct
70 Correct 8 ms 376 KB Output is correct
71 Correct 6 ms 248 KB Output is correct
72 Correct 9 ms 376 KB Output is correct
73 Correct 8 ms 376 KB Output is correct
74 Correct 8 ms 380 KB Output is correct
75 Correct 6 ms 248 KB Output is correct
76 Correct 9 ms 376 KB Output is correct
77 Correct 8 ms 376 KB Output is correct
78 Correct 9 ms 376 KB Output is correct
79 Correct 6 ms 248 KB Output is correct
80 Correct 9 ms 376 KB Output is correct
81 Correct 8 ms 376 KB Output is correct
82 Correct 8 ms 376 KB Output is correct
83 Correct 7 ms 248 KB Output is correct
84 Correct 8 ms 376 KB Output is correct
85 Correct 9 ms 380 KB Output is correct
86 Correct 9 ms 376 KB Output is correct
87 Correct 7 ms 248 KB Output is correct
88 Correct 8 ms 376 KB Output is correct
89 Correct 8 ms 376 KB Output is correct
90 Correct 8 ms 376 KB Output is correct
91 Correct 6 ms 248 KB Output is correct
92 Correct 8 ms 376 KB Output is correct
93 Correct 8 ms 376 KB Output is correct
94 Correct 9 ms 376 KB Output is correct
95 Correct 7 ms 248 KB Output is correct
96 Correct 9 ms 376 KB Output is correct
97 Correct 8 ms 376 KB Output is correct
98 Correct 8 ms 412 KB Output is correct
99 Correct 6 ms 304 KB Output is correct
100 Correct 8 ms 376 KB Output is correct