// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h>
#include "minerals.h"
using namespace std;
#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;
#ifndef DEBUG
#define cerr if (0) cerr
#endif
const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 86005;
int n;
vi lft, rht;
bool state[MAXN];
int cur;
bool inlfi[MAXN];
void dnc(vi fi, vi se) {
REP (i, 1, 2 * n + 1) {
cerr << state[i];
}
cerr << '\n';
cerr << "fi:";
for (int i : fi) {
cerr << ' ' << i;
}
cerr << '\n';
cerr << "se:";
for (int i : se) {
cerr << ' ' << i;
}
cerr << '\n';
assert(SZ(fi) == SZ(se));
if (SZ(fi) == 1) {
Answer(fi[0], se[0]);
return;
}
vi lfi, rfi;
REP (i, 0, (SZ(fi) - 1) / 3 + 1) {
lfi.pb(fi[i]);
inlfi[fi[i]] = 1;
}
REP (i, (SZ(fi) - 1) / 3 + 1, SZ(se)) {
rfi.pb(fi[i]);
}
int cnt = 0;
for (int i : fi) {
if (inlfi[i] ^ state[i]) {
cnt++;
}
}
if (cnt * 2 > SZ(fi)) {
for (int i : fi) {
inlfi[i] ^= 1;
}
swap(lfi, rfi);
}
for (int i : fi) {
if (inlfi[i] ^ state[i]) {
cur = Query(i);
cerr << "? " << i << '\n';
state[i] ^= 1;
}
}
for (int i : lfi) {
inlfi[i] = 0;
}
vi lse, rse;
for (int i : se) {
if (SZ(lse) == SZ(lfi)) {
rse.pb(i);
continue;
} else if (SZ(rse) == SZ(rfi)) {
lse.pb(i);
continue;
}
int nxt = Query(i);
state[i] ^= 1;
cerr << "? " << i << '\n';
if (nxt == cur) {
lse.pb(i);
} else {
rse.pb(i);
}
cur = nxt;
}
dnc(lfi, lse);
dnc(rfi, rse);
}
void Solve(int N) {
n = N;
vi id(2 * n, 0);
iota(ALL(id), 1);
for (int i : id) {
int nxt = Query(i);
state[i] = 1;
cerr << "? " << i << '\n';
if (nxt > cur) {
lft.pb(i);
} else {
rht.pb(i);
}
cur = nxt;
}
assert(SZ(lft) == n);
dnc(lft, rht);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
3 ms |
532 KB |
Output is correct |
3 |
Correct |
5 ms |
720 KB |
Output is correct |
4 |
Correct |
8 ms |
1124 KB |
Output is correct |
5 |
Correct |
16 ms |
1764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
19 |
Correct |
44 ms |
4264 KB |
Output is correct |
20 |
Correct |
43 ms |
4248 KB |
Output is correct |
21 |
Correct |
34 ms |
4388 KB |
Output is correct |
22 |
Correct |
40 ms |
4024 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
19 |
Correct |
44 ms |
4264 KB |
Output is correct |
20 |
Correct |
43 ms |
4248 KB |
Output is correct |
21 |
Correct |
34 ms |
4388 KB |
Output is correct |
22 |
Correct |
40 ms |
4024 KB |
Output is correct |
23 |
Correct |
44 ms |
4348 KB |
Output is correct |
24 |
Correct |
45 ms |
4412 KB |
Output is correct |
25 |
Correct |
36 ms |
4416 KB |
Output is correct |
26 |
Correct |
37 ms |
4208 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
19 |
Correct |
44 ms |
4264 KB |
Output is correct |
20 |
Correct |
43 ms |
4248 KB |
Output is correct |
21 |
Correct |
34 ms |
4388 KB |
Output is correct |
22 |
Correct |
40 ms |
4024 KB |
Output is correct |
23 |
Correct |
44 ms |
4348 KB |
Output is correct |
24 |
Correct |
45 ms |
4412 KB |
Output is correct |
25 |
Correct |
36 ms |
4416 KB |
Output is correct |
26 |
Correct |
37 ms |
4208 KB |
Output is correct |
27 |
Correct |
46 ms |
4540 KB |
Output is correct |
28 |
Correct |
46 ms |
4456 KB |
Output is correct |
29 |
Correct |
36 ms |
4508 KB |
Output is correct |
30 |
Correct |
38 ms |
4232 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
19 |
Correct |
44 ms |
4264 KB |
Output is correct |
20 |
Correct |
43 ms |
4248 KB |
Output is correct |
21 |
Correct |
34 ms |
4388 KB |
Output is correct |
22 |
Correct |
40 ms |
4024 KB |
Output is correct |
23 |
Correct |
44 ms |
4348 KB |
Output is correct |
24 |
Correct |
45 ms |
4412 KB |
Output is correct |
25 |
Correct |
36 ms |
4416 KB |
Output is correct |
26 |
Correct |
37 ms |
4208 KB |
Output is correct |
27 |
Correct |
46 ms |
4540 KB |
Output is correct |
28 |
Correct |
46 ms |
4456 KB |
Output is correct |
29 |
Correct |
36 ms |
4508 KB |
Output is correct |
30 |
Correct |
38 ms |
4232 KB |
Output is correct |
31 |
Correct |
53 ms |
4720 KB |
Output is correct |
32 |
Correct |
46 ms |
4596 KB |
Output is correct |
33 |
Correct |
38 ms |
4676 KB |
Output is correct |
34 |
Correct |
39 ms |
4424 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
308 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 |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
3 ms |
532 KB |
Output is correct |
7 |
Correct |
5 ms |
720 KB |
Output is correct |
8 |
Correct |
8 ms |
1124 KB |
Output is correct |
9 |
Correct |
16 ms |
1764 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
11 ms |
1360 KB |
Output is correct |
12 |
Correct |
18 ms |
1872 KB |
Output is correct |
13 |
Correct |
15 ms |
1872 KB |
Output is correct |
14 |
Correct |
13 ms |
1744 KB |
Output is correct |
15 |
Correct |
46 ms |
4228 KB |
Output is correct |
16 |
Correct |
44 ms |
4248 KB |
Output is correct |
17 |
Correct |
37 ms |
4220 KB |
Output is correct |
18 |
Correct |
40 ms |
4056 KB |
Output is correct |
19 |
Correct |
44 ms |
4264 KB |
Output is correct |
20 |
Correct |
43 ms |
4248 KB |
Output is correct |
21 |
Correct |
34 ms |
4388 KB |
Output is correct |
22 |
Correct |
40 ms |
4024 KB |
Output is correct |
23 |
Correct |
44 ms |
4348 KB |
Output is correct |
24 |
Correct |
45 ms |
4412 KB |
Output is correct |
25 |
Correct |
36 ms |
4416 KB |
Output is correct |
26 |
Correct |
37 ms |
4208 KB |
Output is correct |
27 |
Correct |
46 ms |
4540 KB |
Output is correct |
28 |
Correct |
46 ms |
4456 KB |
Output is correct |
29 |
Correct |
36 ms |
4508 KB |
Output is correct |
30 |
Correct |
38 ms |
4232 KB |
Output is correct |
31 |
Correct |
53 ms |
4720 KB |
Output is correct |
32 |
Correct |
46 ms |
4596 KB |
Output is correct |
33 |
Correct |
38 ms |
4676 KB |
Output is correct |
34 |
Correct |
39 ms |
4424 KB |
Output is correct |
35 |
Correct |
48 ms |
4756 KB |
Output is correct |
36 |
Correct |
48 ms |
4652 KB |
Output is correct |
37 |
Correct |
44 ms |
4804 KB |
Output is correct |
38 |
Correct |
43 ms |
4480 KB |
Output is correct |