#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define pb push_back
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#include "interactive.h"
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ii = pair<int,int>;
using iii = tuple<int,int,int>;
const int inf = 2e9+1;
const int mod = 1e9+7;
const int maxn = 1e5+100;
template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }
// namespace {
// const int MAX_VALUE_OF_N = 100;
// const int MAX_VALUE_OF_Q = 200;
// int numberOfQueries = 0;
// int n;
// std::vector<int> a;
// void wrong_answer(const char *MSG) {
// printf("-1\n");
// exit(0);
// }
// }
// void query() {
// numberOfQueries++;
// if (numberOfQueries > MAX_VALUE_OF_Q) {
// wrong_answer("Number of queries exceeded");
// }
// }
// int ask(int position) {
// query();
// if (position < 1 || position > n) {
// wrong_answer("Not correct position");
// }
// return a[position - 1];
// }
// vector<int> get_pairwise_xor(vector<int> positions) {
// query();
// if (positions.empty() || positions.size() > n) {
// wrong_answer("Not correct size");
// }
// sort(positions.begin(), positions.end());
// for (int i = 1; i < positions.size(); i++) {
// if (positions[i] == positions[i - 1]) {
// wrong_answer("Not unique");
// }
// }
// for (int i = 0; i < positions.size(); i++) {
// if (positions[i] < 1 || positions[i] > n) {
// wrong_answer("Not correct position");
// }
// }
// vector<int> pairwise_xor;
// for (int i = 0; i < positions.size(); i++) {
// for (int j = 0; j < positions.size(); j++) {
// pairwise_xor.push_back(a[positions[i] - 1] ^ a[positions[j] - 1]);
// }
// }
// sort(pairwise_xor.begin(), pairwise_xor.end());
// return pairwise_xor;
// }
vector<int> guess(int n) {
vector<int>ans(n);
map<int,int>where;//{number,position}
ans[0] = ask(1);
for(int i=0;i<7;++i){
if((1<<i)>n)break;
vector<int>cur;
for(int j=0;j<(1<<6);++j){
int act = ((j - (j&((1<<i)-1)))<<1) + (j&((1<<i)-1)) + (1<<i);
if(act>n)break;
if(act!=1)cur.pb(act);
}
vector<int>resp1 = get_pairwise_xor(cur);
cur.pb(1);
vector<int> resp2 = get_pairwise_xor(cur);
int x = 0, y = 0;
while(x<sz(resp2)){
while(x<sz(resp2)&&(y==sz(resp1)||resp2[x]!=resp1[y])){
if(resp2[x]!=0)where[resp2[x]^ans[0]]|=(1<<i);
++x;
}
++y, ++x;
}
}
for(auto [x,y]:where)ans[y-1] = x;
return ans;
}
// int main() {
// assert(scanf("%d", &n) == 1);
// assert(1 <= n && n <= MAX_VALUE_OF_N);
// for (int i = 1; i <= n; i++) {
// int x;
// assert(scanf("%d", &x) == 1);
// assert(x >= 0 && x <= 1000 * 1000 * 1000);
// a.push_back(x);
// }
// vector<int> participant_solution = guess(n);
// if (participant_solution.size() != n) {
// wrong_answer("-1");
// }
// printf("%d\n", n);
// for (auto i: participant_solution) {
// printf("%d ", i);
// }
// printf("\n");
// printf("%d\n", numberOfQueries);
// return 0;
// }
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
336 KB |
Output is correct |
2 |
Correct |
2 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
2 ms |
320 KB |
Output is correct |
5 |
Correct |
2 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
336 KB |
Output is correct |
8 |
Correct |
2 ms |
336 KB |
Output is correct |
9 |
Correct |
3 ms |
336 KB |
Output is correct |
10 |
Correct |
3 ms |
336 KB |
Output is correct |
11 |
Correct |
2 ms |
336 KB |
Output is correct |
12 |
Correct |
2 ms |
336 KB |
Output is correct |
13 |
Correct |
2 ms |
336 KB |
Output is correct |
14 |
Correct |
2 ms |
336 KB |
Output is correct |
15 |
Correct |
2 ms |
336 KB |
Output is correct |
16 |
Correct |
3 ms |
336 KB |
Output is correct |
17 |
Correct |
3 ms |
336 KB |
Output is correct |
18 |
Correct |
3 ms |
336 KB |
Output is correct |
19 |
Correct |
2 ms |
336 KB |
Output is correct |
20 |
Correct |
3 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
2 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
336 KB |
Output is correct |
24 |
Correct |
2 ms |
336 KB |
Output is correct |
25 |
Correct |
2 ms |
336 KB |
Output is correct |
26 |
Correct |
2 ms |
336 KB |
Output is correct |
27 |
Correct |
2 ms |
336 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
2 ms |
336 KB |
Output is correct |
33 |
Correct |
2 ms |
336 KB |
Output is correct |
34 |
Correct |
2 ms |
336 KB |
Output is correct |
35 |
Correct |
2 ms |
336 KB |
Output is correct |
36 |
Correct |
3 ms |
336 KB |
Output is correct |
37 |
Correct |
2 ms |
336 KB |
Output is correct |
38 |
Correct |
2 ms |
336 KB |
Output is correct |
39 |
Correct |
2 ms |
336 KB |
Output is correct |
40 |
Correct |
2 ms |
336 KB |
Output is correct |
41 |
Correct |
2 ms |
336 KB |
Output is correct |
42 |
Correct |
2 ms |
336 KB |
Output is correct |
43 |
Correct |
2 ms |
336 KB |
Output is correct |
44 |
Correct |
2 ms |
336 KB |
Output is correct |
45 |
Correct |
2 ms |
336 KB |
Output is correct |
46 |
Correct |
2 ms |
336 KB |
Output is correct |
47 |
Correct |
2 ms |
336 KB |
Output is correct |
48 |
Correct |
2 ms |
336 KB |
Output is correct |
49 |
Correct |
2 ms |
336 KB |
Output is correct |
50 |
Correct |
2 ms |
336 KB |
Output is correct |
51 |
Correct |
2 ms |
336 KB |
Output is correct |
52 |
Correct |
2 ms |
336 KB |
Output is correct |
53 |
Correct |
3 ms |
336 KB |
Output is correct |
54 |
Correct |
2 ms |
336 KB |
Output is correct |
55 |
Correct |
2 ms |
336 KB |
Output is correct |
56 |
Correct |
2 ms |
336 KB |
Output is correct |
57 |
Correct |
2 ms |
336 KB |
Output is correct |
58 |
Correct |
3 ms |
336 KB |
Output is correct |
59 |
Correct |
2 ms |
336 KB |
Output is correct |
60 |
Correct |
2 ms |
336 KB |
Output is correct |
61 |
Correct |
2 ms |
336 KB |
Output is correct |
62 |
Correct |
2 ms |
336 KB |
Output is correct |
63 |
Correct |
2 ms |
336 KB |
Output is correct |
64 |
Correct |
2 ms |
336 KB |
Output is correct |
65 |
Correct |
2 ms |
336 KB |
Output is correct |
66 |
Correct |
2 ms |
336 KB |
Output is correct |
67 |
Correct |
2 ms |
336 KB |
Output is correct |
68 |
Correct |
2 ms |
336 KB |
Output is correct |
69 |
Correct |
2 ms |
336 KB |
Output is correct |
70 |
Correct |
2 ms |
336 KB |
Output is correct |
71 |
Correct |
2 ms |
336 KB |
Output is correct |
72 |
Correct |
2 ms |
336 KB |
Output is correct |
73 |
Correct |
2 ms |
336 KB |
Output is correct |
74 |
Correct |
2 ms |
336 KB |
Output is correct |
75 |
Correct |
2 ms |
336 KB |
Output is correct |
76 |
Correct |
2 ms |
336 KB |
Output is correct |
77 |
Correct |
2 ms |
336 KB |
Output is correct |
78 |
Correct |
2 ms |
336 KB |
Output is correct |
79 |
Correct |
2 ms |
336 KB |
Output is correct |
80 |
Correct |
2 ms |
332 KB |
Output is correct |
81 |
Correct |
3 ms |
336 KB |
Output is correct |
82 |
Correct |
2 ms |
336 KB |
Output is correct |
83 |
Correct |
2 ms |
336 KB |
Output is correct |
84 |
Correct |
2 ms |
336 KB |
Output is correct |
85 |
Correct |
2 ms |
336 KB |
Output is correct |
86 |
Correct |
2 ms |
336 KB |
Output is correct |
87 |
Correct |
2 ms |
336 KB |
Output is correct |
88 |
Correct |
2 ms |
336 KB |
Output is correct |
89 |
Correct |
2 ms |
340 KB |
Output is correct |
90 |
Correct |
2 ms |
340 KB |
Output is correct |
91 |
Correct |
2 ms |
340 KB |
Output is correct |
92 |
Correct |
2 ms |
340 KB |
Output is correct |
93 |
Correct |
2 ms |
336 KB |
Output is correct |
94 |
Correct |
2 ms |
336 KB |
Output is correct |
95 |
Correct |
2 ms |
336 KB |
Output is correct |
96 |
Correct |
2 ms |
336 KB |
Output is correct |
97 |
Correct |
2 ms |
336 KB |
Output is correct |
98 |
Correct |
2 ms |
336 KB |
Output is correct |
99 |
Correct |
2 ms |
336 KB |
Output is correct |
100 |
Correct |
2 ms |
336 KB |
Output is correct |