# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
589171 |
2022-07-04T09:53:59 Z |
Mahtimursu |
Combo (IOI18_combo) |
C++17 |
|
45 ms |
624 KB |
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string opt[] = {"A", "B", "X", "Y"};
vector<string> oth;
unsigned seed = std::chrono::system_clock::now().time_since_epoch().count();
string get_p() {
if (press(opt[0] + opt[1]) >= 1) {
if (press(opt[0]) == 1) return opt[0];
return opt[1];
} else {
if (press(opt[2]) == 1) return opt[2];
return opt[3];
}
}
string find_first() {
string p = get_p();
for (string c : opt) {
if (string(1, p[0]) != c) oth.push_back(c);
}
return p;
}
string find_two(string sd) {
shuffle(oth.begin(), oth.end(), mt19937(seed));
vector<string> cmb;
for (int i = 0; i < 2; ++i) {
cmb.push_back(oth[0] + oth[i]);
}
cmb.push_back(oth[1] + oth[0]);
string q;
for (auto x : cmb) q += sd + x;
int out = press(q) - sd.length();
if (out == 2) {
out = press(sd + oth[0] + oth[1]) - sd.length();
if (out == 2) return oth[0] + oth[1];
if (out == 1) return oth[0] + oth[0];
if (out == 0) return oth[1] + oth[0];
} else if (out == 1) {
out = press(sd + oth[1] + oth[1]) - sd.length();
if (out == 2) return oth[1] + oth[1];
if (out == 1) return oth[1] + oth[2];
if (out == 0) return oth[0] + oth[2];
} else {
return oth[2];
}
}
string find_one(string p) {
int tre = 0;
bool ok = 0;
for (string c : opt) {
if (p.length() > 0 && c == string(1, p[0])) continue;
if (ok || press(p + c) == (int)p.length() + 1) {
p += c;
break;
} else tre++;
if (p.length() > 0 && tre == 2) ok = 1;
if (p.length() == 0 && tre == 3) ok = 1;
}
return p;
}
string find_one_fast(string sd) {
string q = sd + oth[0] + sd[0];
for (int i = 0; i < 3; ++i) q += sd + oth[1] + oth[i];
int out = press(q) - sd.length();
if (out == 2) return oth[1];
if (out == 1) return oth[0];
return oth[2];
}
string guess_sequence(int N) {
oth.clear();
string p = find_first();
while ((int)p.length() + 2 <= N) {
p += find_one_fast(p);
}
if ((int)p.length() != N) {
p = find_one(p);
}
return p;
}
/*
S'AA S'AB S'BA
2 -> AA/AB/BA
-> Kysy AB
-> 2 = AB
-> 1 = AA
-> 0 = BA
1 -> AX/BB/BX
-> Kysy BB
-> 2 = BB
-> 1 = BX
-> 0 = AX
0 -> XA/XB/XX
-> Lisää X
S'AY S'BA S'BB S'BX
-> 2 = B
-> 1 = A
-> 0 = X
*/
Compilation message
combo.cpp: In function 'std::string find_two(std::string)':
combo.cpp:33:20: warning: control reaches end of non-void function [-Wreturn-type]
33 | vector<string> cmb;
| ^~~
# |
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 |
1 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 |
0 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 |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
208 KB |
Output is correct |
19 |
Correct |
1 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 |
0 ms |
208 KB |
Output is correct |
23 |
Correct |
0 ms |
208 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 |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
0 ms |
208 KB |
Output is correct |
29 |
Correct |
0 ms |
208 KB |
Output is correct |
30 |
Correct |
1 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
1 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
1 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 |
30 ms |
468 KB |
Output is correct |
18 |
Correct |
27 ms |
416 KB |
Output is correct |
19 |
Correct |
25 ms |
472 KB |
Output is correct |
20 |
Correct |
33 ms |
388 KB |
Output is correct |
21 |
Correct |
30 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
1 ms |
208 KB |
Output is correct |
26 |
Correct |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
2 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
320 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
31 |
Correct |
3 ms |
336 KB |
Output is correct |
32 |
Correct |
25 ms |
456 KB |
Output is correct |
33 |
Correct |
27 ms |
468 KB |
Output is correct |
34 |
Correct |
35 ms |
536 KB |
Output is correct |
35 |
Correct |
24 ms |
388 KB |
Output is correct |
36 |
Correct |
28 ms |
412 KB |
Output is correct |
37 |
Correct |
29 ms |
504 KB |
Output is correct |
38 |
Correct |
31 ms |
388 KB |
Output is correct |
39 |
Correct |
29 ms |
496 KB |
Output is correct |
40 |
Correct |
28 ms |
432 KB |
Output is correct |
41 |
Correct |
22 ms |
480 KB |
Output is correct |
42 |
Correct |
25 ms |
388 KB |
Output is correct |
43 |
Correct |
38 ms |
504 KB |
Output is correct |
44 |
Correct |
27 ms |
428 KB |
Output is correct |
45 |
Correct |
32 ms |
472 KB |
Output is correct |
46 |
Correct |
19 ms |
624 KB |
Output is correct |
47 |
Correct |
30 ms |
384 KB |
Output is correct |
48 |
Correct |
27 ms |
428 KB |
Output is correct |
49 |
Correct |
20 ms |
604 KB |
Output is correct |
50 |
Correct |
24 ms |
600 KB |
Output is correct |
51 |
Correct |
23 ms |
540 KB |
Output is correct |
52 |
Correct |
33 ms |
436 KB |
Output is correct |
53 |
Correct |
27 ms |
484 KB |
Output is correct |
54 |
Correct |
36 ms |
388 KB |
Output is correct |
55 |
Correct |
26 ms |
384 KB |
Output is correct |
56 |
Correct |
39 ms |
472 KB |
Output is correct |
57 |
Correct |
33 ms |
384 KB |
Output is correct |
58 |
Correct |
17 ms |
392 KB |
Output is correct |
59 |
Correct |
19 ms |
448 KB |
Output is correct |
60 |
Correct |
45 ms |
388 KB |
Output is correct |
61 |
Correct |
36 ms |
484 KB |
Output is correct |
62 |
Correct |
31 ms |
464 KB |
Output is correct |
63 |
Correct |
31 ms |
604 KB |
Output is correct |
64 |
Correct |
28 ms |
416 KB |
Output is correct |
65 |
Correct |
33 ms |
512 KB |
Output is correct |
66 |
Correct |
18 ms |
496 KB |
Output is correct |
67 |
Correct |
26 ms |
464 KB |
Output is correct |
68 |
Correct |
24 ms |
388 KB |
Output is correct |
69 |
Correct |
29 ms |
524 KB |
Output is correct |
70 |
Correct |
17 ms |
388 KB |
Output is correct |
71 |
Correct |
22 ms |
516 KB |
Output is correct |
72 |
Correct |
35 ms |
388 KB |
Output is correct |
73 |
Correct |
27 ms |
432 KB |
Output is correct |
74 |
Correct |
20 ms |
468 KB |
Output is correct |
75 |
Correct |
29 ms |
592 KB |
Output is correct |
76 |
Correct |
20 ms |
464 KB |
Output is correct |
77 |
Correct |
31 ms |
604 KB |
Output is correct |
78 |
Correct |
1 ms |
208 KB |
Output is correct |
79 |
Correct |
1 ms |
208 KB |
Output is correct |
80 |
Correct |
1 ms |
220 KB |
Output is correct |
81 |
Correct |
0 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 |
300 KB |
Output is correct |
86 |
Correct |
1 ms |
208 KB |
Output is correct |
87 |
Correct |
1 ms |
208 KB |
Output is correct |
88 |
Correct |
1 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 |
0 ms |
208 KB |
Output is correct |
93 |
Correct |
2 ms |
296 KB |
Output is correct |
94 |
Correct |
1 ms |
336 KB |
Output is correct |
95 |
Correct |
1 ms |
304 KB |
Output is correct |
96 |
Correct |
1 ms |
300 KB |
Output is correct |
97 |
Correct |
1 ms |
208 KB |
Output is correct |
98 |
Correct |
1 ms |
208 KB |
Output is correct |
99 |
Correct |
2 ms |
304 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 |
0 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 |
0 ms |
208 KB |
Output is correct |
112 |
Correct |
0 ms |
208 KB |
Output is correct |
113 |
Correct |
1 ms |
208 KB |
Output is correct |
114 |
Correct |
1 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 |
352 KB |
Output is correct |
120 |
Correct |
1 ms |
208 KB |
Output is correct |
121 |
Correct |
1 ms |
296 KB |
Output is correct |
122 |
Correct |
1 ms |
208 KB |
Output is correct |
123 |
Correct |
1 ms |
208 KB |
Output is correct |