oj.uz

Submission #505157

# Submission time Handle Problem Language Result Execution time Memory
505157 2022-01-10T19:25:58 Z rainliofficial Xoractive (IZhO19_xoractive) C++17
88 / 100
 9 ms 840 KB 
#include <bits/stdc++.h>
#include "interactive.h"
//#include "grader.cpp"
using namespace std;
#define ll long long
#define pii pair<int, int>
#define f first
#define s second

multiset<int> filter(vector<int>& all, vector<int>& exclude){
    multiset<int> allValues;
    for (int i : all){
        allValues.insert(i);
    }
    for (int i : exclude){
        if (allValues.find(i) != allValues.end()){
            allValues.erase(allValues.find(i));
        }
    }
    return allValues;
}
vector<int> guess(int n) {
	vector<int> ans(n);
	vector<int> allPositions(n);
    for (int i=0; i<n; i++){
        allPositions[i] = i+1;
    }
    vector<int> exludeFirst(n-1);
    for (int i=1; i<n; i++){
        exludeFirst[i-1] = i+1;
    }
    int first = ask(1);
    map<int, int> valToInd;
    vector<int> allPairwiseXor = get_pairwise_xor(allPositions);
    vector<int> excludeFirstXor = get_pairwise_xor(exludeFirst);
    multiset<int> allValues = filter(allPairwiseXor, excludeFirstXor);
    valToInd[first] = 1;
    // Look at answer indexes by bit
    int maxBits = log2(n)+1;
    for (int i=0; i<=maxBits; i++){  
        vector<int> currSet; // The set of numbers with this bit ON
        for (int j=2; j<=n; j++){
            if (j & (1<<i)){ // This bit is ON
                currSet.push_back(j);
            }
        }
        if (currSet.empty()){
            continue; 
        }
        vector<int> currSetXor = get_pairwise_xor(currSet);
        currSet.push_back(1);
        vector<int> xorWithFirst = get_pairwise_xor(currSet);
        multiset<int> currSetResult = filter(xorWithFirst, currSetXor);
        set<int> processed;
        for (int curr : currSetResult){
            if (curr == 0 || processed.find(curr) != processed.end()){
                continue;
            }
            processed.insert(curr);
            int val = curr ^ first; // Convert XOR value to orig value
            valToInd[val] += 1<<i; 
        }
    }
    for (auto cur : valToInd){
        ans[cur.second-1] = cur.first;
    }
	return ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 0 ms 200 KB Output is correct
4 Correct 0 ms 200 KB Output is correct

Subtask #2
82.0 / 94.0

# Verdict Execution time Memory Grader output
1 Partially correct 7 ms 840 KB Output is partially correct
2 Partially correct 7 ms 712 KB Output is partially correct
3 Partially correct 8 ms 816 KB Output is partially correct
4 Partially correct 7 ms 712 KB Output is partially correct
5 Partially correct 7 ms 712 KB Output is partially correct
6 Partially correct 7 ms 712 KB Output is partially correct
7 Partially correct 6 ms 712 KB Output is partially correct
8 Partially correct 7 ms 840 KB Output is partially correct
9 Partially correct 7 ms 712 KB Output is partially correct
10 Partially correct 7 ms 800 KB Output is partially correct
11 Partially correct 6 ms 824 KB Output is partially correct
12 Partially correct 8 ms 840 KB Output is partially correct
13 Partially correct 7 ms 712 KB Output is partially correct
14 Partially correct 7 ms 712 KB Output is partially correct
15 Partially correct 7 ms 824 KB Output is partially correct
16 Partially correct 8 ms 712 KB Output is partially correct
17 Partially correct 7 ms 840 KB Output is partially correct
18 Partially correct 7 ms 712 KB Output is partially correct
19 Partially correct 7 ms 712 KB Output is partially correct
20 Partially correct 7 ms 712 KB Output is partially correct
21 Partially correct 7 ms 840 KB Output is partially correct
22 Partially correct 8 ms 712 KB Output is partially correct
23 Partially correct 7 ms 840 KB Output is partially correct
24 Partially correct 7 ms 840 KB Output is partially correct
25 Partially correct 7 ms 712 KB Output is partially correct
26 Partially correct 8 ms 796 KB Output is partially correct
27 Partially correct 7 ms 712 KB Output is partially correct
28 Partially correct 7 ms 712 KB Output is partially correct
29 Partially correct 7 ms 712 KB Output is partially correct
30 Partially correct 7 ms 804 KB Output is partially correct
31 Partially correct 7 ms 712 KB Output is partially correct
32 Partially correct 7 ms 828 KB Output is partially correct
33 Partially correct 7 ms 840 KB Output is partially correct
34 Partially correct 8 ms 828 KB Output is partially correct
35 Partially correct 7 ms 712 KB Output is partially correct
36 Partially correct 7 ms 792 KB Output is partially correct
37 Partially correct 7 ms 712 KB Output is partially correct
38 Partially correct 7 ms 712 KB Output is partially correct
39 Partially correct 7 ms 840 KB Output is partially correct
40 Partially correct 7 ms 712 KB Output is partially correct
41 Partially correct 7 ms 712 KB Output is partially correct
42 Partially correct 8 ms 712 KB Output is partially correct
43 Partially correct 6 ms 712 KB Output is partially correct
44 Partially correct 7 ms 712 KB Output is partially correct
45 Partially correct 7 ms 712 KB Output is partially correct
46 Partially correct 7 ms 712 KB Output is partially correct
47 Partially correct 6 ms 712 KB Output is partially correct
48 Partially correct 7 ms 712 KB Output is partially correct
49 Partially correct 7 ms 712 KB Output is partially correct
50 Partially correct 7 ms 712 KB Output is partially correct
51 Partially correct 6 ms 712 KB Output is partially correct
52 Partially correct 8 ms 840 KB Output is partially correct
53 Partially correct 7 ms 712 KB Output is partially correct
54 Partially correct 7 ms 712 KB Output is partially correct
55 Partially correct 7 ms 840 KB Output is partially correct
56 Partially correct 8 ms 712 KB Output is partially correct
57 Partially correct 8 ms 836 KB Output is partially correct
58 Partially correct 7 ms 732 KB Output is partially correct
59 Partially correct 7 ms 836 KB Output is partially correct
60 Partially correct 7 ms 712 KB Output is partially correct
61 Partially correct 7 ms 712 KB Output is partially correct
62 Partially correct 7 ms 712 KB Output is partially correct
63 Partially correct 7 ms 808 KB Output is partially correct
64 Partially correct 7 ms 796 KB Output is partially correct
65 Partially correct 7 ms 712 KB Output is partially correct
66 Partially correct 7 ms 712 KB Output is partially correct
67 Partially correct 6 ms 716 KB Output is partially correct
68 Partially correct 7 ms 688 KB Output is partially correct
69 Partially correct 7 ms 716 KB Output is partially correct
70 Partially correct 7 ms 716 KB Output is partially correct
71 Partially correct 6 ms 716 KB Output is partially correct
72 Partially correct 7 ms 808 KB Output is partially correct
73 Partially correct 7 ms 716 KB Output is partially correct
74 Partially correct 7 ms 792 KB Output is partially correct
75 Partially correct 7 ms 832 KB Output is partially correct
76 Partially correct 8 ms 836 KB Output is partially correct
77 Partially correct 8 ms 712 KB Output is partially correct
78 Partially correct 7 ms 824 KB Output is partially correct
79 Partially correct 7 ms 712 KB Output is partially correct
80 Partially correct 7 ms 712 KB Output is partially correct
81 Partially correct 8 ms 780 KB Output is partially correct
82 Partially correct 7 ms 712 KB Output is partially correct
83 Partially correct 6 ms 712 KB Output is partially correct
84 Partially correct 7 ms 712 KB Output is partially correct
85 Partially correct 7 ms 820 KB Output is partially correct
86 Partially correct 7 ms 712 KB Output is partially correct
87 Partially correct 7 ms 712 KB Output is partially correct
88 Partially correct 7 ms 832 KB Output is partially correct
89 Partially correct 7 ms 712 KB Output is partially correct
90 Partially correct 7 ms 712 KB Output is partially correct
91 Partially correct 9 ms 712 KB Output is partially correct
92 Partially correct 7 ms 712 KB Output is partially correct
93 Partially correct 7 ms 712 KB Output is partially correct
94 Partially correct 7 ms 712 KB Output is partially correct
95 Partially correct 7 ms 712 KB Output is partially correct
96 Partially correct 7 ms 712 KB Output is partially correct
97 Partially correct 7 ms 712 KB Output is partially correct
98 Partially correct 7 ms 712 KB Output is partially correct
99 Partially correct 6 ms 712 KB Output is partially correct
100 Partially correct 8 ms 712 KB Output is partially correct