# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
632503 |
2022-08-20T08:20:12 Z |
ghostwriter |
Combo (IOI18_combo) |
C++14 |
|
33 ms |
588 KB |
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include <debug.h>
#endif
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
template<typename T> T gcd(T a, T b) { return (b == 0? a : gcd(b, a % b)); }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
#define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
#define FOS(i, r, l) for (int (i) = (r); (i) >= (l); --(i))
#define EACH(i, x) for (auto &(i) : (x))
#define WHILE while
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
Tran The Bao
CTL - Da Lat
Practising for VOI23 gold medal
*/
str guess_sequence(int N) {
str ans;
int pre = press("AB");
if (pre) {
pre = press("A");
if (pre) ans.pb('A');
else ans.pb('B');
}
else {
pre = press("X");
if (pre) ans.pb('X');
else ans.pb('Y');
}
if (N == 1) return ans;
vi c;
if (ans.front() != 'A') c.pb('A');
if (ans.front() != 'B') c.pb('B');
if (ans.front() != 'X') c.pb('X');
if (ans.front() != 'Y') c.pb('Y');
FOR(i, 2, N - 1) {
str tmp;
tmp += ans;
tmp.pb(c[0]);
tmp += ans;
tmp.pb(c[1]);
tmp.pb(c[0]);
tmp += ans;
tmp.pb(c[1]);
tmp.pb(c[1]);
tmp += ans;
tmp.pb(c[1]);
tmp.pb(c[2]);
pre = press(tmp);
if (pre == i) ans.pb(c[0]);
else if (pre == i + 1) ans.pb(c[1]);
else ans.pb(c[2]);
}
str tmp = ans;
tmp.pb(c[0]);
if (press(tmp) == N) ans = tmp;
else {
tmp._pb();
tmp.pb(c[1]);
if (press(tmp) == N) ans = tmp;
else ans.pb(c[2]);
}
return ans;
}
Compilation message
combo.cpp: In function 'str guess_sequence(int)':
combo.cpp:25:31: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
25 | #define FOR(i, l, r) for (int (i) = (l); (i) <= (r); ++(i))
| ^
combo.cpp:56:2: note: in expansion of macro 'FOR'
56 | FOR(i, 2, N - 1) {
| ^~~
# |
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 |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
0 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
0 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
1 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
0 ms |
208 KB |
Output is correct |
20 |
Correct |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
0 ms |
208 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
252 KB |
Output is correct |
24 |
Correct |
0 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
0 ms |
208 KB |
Output is correct |
28 |
Correct |
1 ms |
208 KB |
Output is correct |
29 |
Correct |
1 ms |
208 KB |
Output is correct |
30 |
Correct |
0 ms |
208 KB |
Output is correct |
31 |
Correct |
1 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
0 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
208 KB |
Output is correct |
# |
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 |
5 |
Correct |
0 ms |
208 KB |
Output is correct |
6 |
Correct |
0 ms |
208 KB |
Output is correct |
7 |
Correct |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
1 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
0 ms |
208 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
0 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
20 ms |
452 KB |
Output is correct |
18 |
Correct |
21 ms |
440 KB |
Output is correct |
19 |
Correct |
26 ms |
476 KB |
Output is correct |
20 |
Correct |
26 ms |
532 KB |
Output is correct |
21 |
Correct |
22 ms |
532 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
304 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 KB |
Output is correct |
26 |
Correct |
2 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
308 KB |
Output is correct |
31 |
Correct |
2 ms |
316 KB |
Output is correct |
32 |
Correct |
18 ms |
352 KB |
Output is correct |
33 |
Correct |
25 ms |
480 KB |
Output is correct |
34 |
Correct |
27 ms |
448 KB |
Output is correct |
35 |
Correct |
23 ms |
352 KB |
Output is correct |
36 |
Correct |
25 ms |
460 KB |
Output is correct |
37 |
Correct |
27 ms |
356 KB |
Output is correct |
38 |
Correct |
19 ms |
588 KB |
Output is correct |
39 |
Correct |
24 ms |
460 KB |
Output is correct |
40 |
Correct |
24 ms |
436 KB |
Output is correct |
41 |
Correct |
27 ms |
456 KB |
Output is correct |
42 |
Correct |
26 ms |
356 KB |
Output is correct |
43 |
Correct |
12 ms |
444 KB |
Output is correct |
44 |
Correct |
18 ms |
364 KB |
Output is correct |
45 |
Correct |
28 ms |
416 KB |
Output is correct |
46 |
Correct |
29 ms |
360 KB |
Output is correct |
47 |
Correct |
28 ms |
360 KB |
Output is correct |
48 |
Correct |
29 ms |
448 KB |
Output is correct |
49 |
Correct |
19 ms |
520 KB |
Output is correct |
50 |
Correct |
12 ms |
352 KB |
Output is correct |
51 |
Correct |
21 ms |
352 KB |
Output is correct |
52 |
Correct |
24 ms |
360 KB |
Output is correct |
53 |
Correct |
21 ms |
464 KB |
Output is correct |
54 |
Correct |
33 ms |
348 KB |
Output is correct |
55 |
Correct |
26 ms |
356 KB |
Output is correct |
56 |
Correct |
24 ms |
444 KB |
Output is correct |
57 |
Correct |
21 ms |
424 KB |
Output is correct |
58 |
Correct |
26 ms |
460 KB |
Output is correct |
59 |
Correct |
21 ms |
352 KB |
Output is correct |
60 |
Correct |
22 ms |
428 KB |
Output is correct |
61 |
Correct |
29 ms |
372 KB |
Output is correct |
62 |
Correct |
22 ms |
436 KB |
Output is correct |
63 |
Correct |
24 ms |
384 KB |
Output is correct |
64 |
Correct |
26 ms |
360 KB |
Output is correct |
65 |
Correct |
26 ms |
356 KB |
Output is correct |
66 |
Correct |
21 ms |
440 KB |
Output is correct |
67 |
Correct |
23 ms |
360 KB |
Output is correct |
68 |
Correct |
26 ms |
352 KB |
Output is correct |
69 |
Correct |
27 ms |
456 KB |
Output is correct |
70 |
Correct |
27 ms |
508 KB |
Output is correct |
71 |
Correct |
29 ms |
464 KB |
Output is correct |
72 |
Correct |
15 ms |
356 KB |
Output is correct |
73 |
Correct |
29 ms |
468 KB |
Output is correct |
74 |
Correct |
30 ms |
356 KB |
Output is correct |
75 |
Correct |
31 ms |
460 KB |
Output is correct |
76 |
Correct |
15 ms |
452 KB |
Output is correct |
77 |
Correct |
28 ms |
392 KB |
Output is correct |
78 |
Correct |
0 ms |
208 KB |
Output is correct |
79 |
Correct |
0 ms |
208 KB |
Output is correct |
80 |
Correct |
1 ms |
208 KB |
Output is correct |
81 |
Correct |
1 ms |
208 KB |
Output is correct |
82 |
Correct |
1 ms |
208 KB |
Output is correct |
83 |
Correct |
1 ms |
208 KB |
Output is correct |
84 |
Correct |
1 ms |
208 KB |
Output is correct |
85 |
Correct |
1 ms |
208 KB |
Output is correct |
86 |
Correct |
1 ms |
208 KB |
Output is correct |
87 |
Correct |
1 ms |
304 KB |
Output is correct |
88 |
Correct |
0 ms |
208 KB |
Output is correct |
89 |
Correct |
1 ms |
208 KB |
Output is correct |
90 |
Correct |
1 ms |
208 KB |
Output is correct |
91 |
Correct |
1 ms |
208 KB |
Output is correct |
92 |
Correct |
1 ms |
208 KB |
Output is correct |
93 |
Correct |
1 ms |
208 KB |
Output is correct |
94 |
Correct |
1 ms |
208 KB |
Output is correct |
95 |
Correct |
1 ms |
208 KB |
Output is correct |
96 |
Correct |
1 ms |
208 KB |
Output is correct |
97 |
Correct |
1 ms |
336 KB |
Output is correct |
98 |
Correct |
1 ms |
208 KB |
Output is correct |
99 |
Correct |
1 ms |
208 KB |
Output is correct |
100 |
Correct |
1 ms |
208 KB |
Output is correct |
101 |
Correct |
1 ms |
208 KB |
Output is correct |
102 |
Correct |
1 ms |
208 KB |
Output is correct |
103 |
Correct |
1 ms |
208 KB |
Output is correct |
104 |
Correct |
1 ms |
208 KB |
Output is correct |
105 |
Correct |
1 ms |
208 KB |
Output is correct |
106 |
Correct |
1 ms |
208 KB |
Output is correct |
107 |
Correct |
1 ms |
208 KB |
Output is correct |
108 |
Correct |
1 ms |
208 KB |
Output is correct |
109 |
Correct |
1 ms |
208 KB |
Output is correct |
110 |
Correct |
1 ms |
208 KB |
Output is correct |
111 |
Correct |
1 ms |
208 KB |
Output is correct |
112 |
Correct |
1 ms |
208 KB |
Output is correct |
113 |
Correct |
1 ms |
208 KB |
Output is correct |
114 |
Correct |
0 ms |
208 KB |
Output is correct |
115 |
Correct |
1 ms |
208 KB |
Output is correct |
116 |
Correct |
1 ms |
208 KB |
Output is correct |
117 |
Correct |
1 ms |
208 KB |
Output is correct |
118 |
Correct |
1 ms |
208 KB |
Output is correct |
119 |
Correct |
1 ms |
208 KB |
Output is correct |
120 |
Correct |
1 ms |
208 KB |
Output is correct |
121 |
Correct |
1 ms |
208 KB |
Output is correct |
122 |
Correct |
1 ms |
208 KB |
Output is correct |
123 |
Correct |
1 ms |
208 KB |
Output is correct |