oj.uz

Submission #173328

# Submission time Handle Problem Language Result Execution time Memory
173328 2020-01-03T18:39:39 Z GoldeN Xoractive (IZhO19_xoractive) C++17
100 / 100
 6 ms 504 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <interactive.h>
using namespace std;

#define f first
#define s second
#define pb push_back
#define all(a) a.begin(),a.end()

typedef long long ll;
typedef long double ld;
typedef pair <int,int> pii;
typedef pair <ll,ll> pll;
typedef vector <ll> vl;
typedef vector <int> vi;
typedef vector <bool> vb;
typedef vector <vector <int> > vvi;
typedef vector <vector <ll> > vvl;
typedef vector <pair<int,int> > vii;
typedef vector <pair<ll,ll> > vll;

string itos(int n) {stringstream ss;ss<<n;string s=ss.str();return s;}

vi guess(int n) {
    if (n <= 6) {
        vi ans;
        for (int i=1;i<=n;++i)
            ans.pb(ask(i));
        return ans;
    }
    vi ans(n);
    ans[0]=ask(1);
    map<int,int> check;
    for (int ind=0;ind<7;++ind) {
        vi cur;
        for (int i=2;i<=n;++i) {
            if (i&(1<<ind)) {
                cur.pb(i);
            }
        }
        vi a=get_pairwise_xor(cur);
        cur.pb(1);
        vi b=get_pairwise_xor(cur);
        map<int,int> cnt;
        for (int i : b) {
            cnt[i]++;
        }
        for (int i : a)
            cnt[i]--;
        for (auto i : cnt) {
            if (i.f && i.s) {
                check[i.f^ans[0]]|=(1<<ind);
            }
        }
    }
    for (auto i : check) {
        ans[i.s-1]=i.f;
    }
    return ans;
}

Subtask #1
6.0 / 6.0

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

Subtask #2
94.0 / 94.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 4 ms 248 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 4 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 4 ms 248 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 4 ms 504 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 4 ms 248 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 4 ms 248 KB Output is correct
24 Correct 6 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 4 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 6 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 4 ms 248 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 4 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 380 KB Output is correct
39 Correct 4 ms 248 KB Output is correct
40 Correct 6 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 408 KB Output is correct
43 Correct 4 ms 376 KB Output is correct
44 Correct 5 ms 380 KB Output is correct
45 Correct 6 ms 376 KB Output is correct
46 Correct 5 ms 380 KB Output is correct
47 Correct 4 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 4 ms 248 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 380 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 4 ms 248 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 6 ms 380 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 4 ms 248 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 4 ms 252 KB Output is correct
64 Correct 5 ms 376 KB Output is correct
65 Correct 6 ms 376 KB Output is correct
66 Correct 5 ms 376 KB Output is correct
67 Correct 4 ms 248 KB Output is correct
68 Correct 5 ms 376 KB Output is correct
69 Correct 5 ms 376 KB Output is correct
70 Correct 5 ms 376 KB Output is correct
71 Correct 4 ms 248 KB Output is correct
72 Correct 5 ms 380 KB Output is correct
73 Correct 6 ms 376 KB Output is correct
74 Correct 6 ms 376 KB Output is correct
75 Correct 4 ms 376 KB Output is correct
76 Correct 6 ms 376 KB Output is correct
77 Correct 6 ms 376 KB Output is correct
78 Correct 6 ms 380 KB Output is correct
79 Correct 4 ms 376 KB Output is correct
80 Correct 6 ms 376 KB Output is correct
81 Correct 6 ms 376 KB Output is correct
82 Correct 5 ms 376 KB Output is correct
83 Correct 4 ms 376 KB Output is correct
84 Correct 6 ms 376 KB Output is correct
85 Correct 6 ms 376 KB Output is correct
86 Correct 6 ms 380 KB Output is correct
87 Correct 4 ms 248 KB Output is correct
88 Correct 6 ms 380 KB Output is correct
89 Correct 5 ms 376 KB Output is correct
90 Correct 5 ms 380 KB Output is correct
91 Correct 2 ms 504 KB Output is correct
92 Correct 5 ms 376 KB Output is correct
93 Correct 5 ms 376 KB Output is correct
94 Correct 2 ms 392 KB Output is correct
95 Correct 4 ms 248 KB Output is correct
96 Correct 5 ms 376 KB Output is correct
97 Correct 5 ms 376 KB Output is correct
98 Correct 5 ms 376 KB Output is correct
99 Correct 4 ms 248 KB Output is correct
100 Correct 6 ms 376 KB Output is correct