# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
716896 |
2023-03-31T10:40:20 Z |
Desh03 |
Combo (IOI18_combo) |
C++17 |
|
34 ms |
576 KB |
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
string guess_sequence(int n) {
char first;
string s;
int x = press("AB");
if (x == 2) {
s = "AB";
first = 'A';
} else if (x) {
int y = press("A");
if (y) first = 'A', s = "A";
else first = 'B', s = "B";
} else {
int y = press("X");
if (y) first = 'X', s = "X";
else first = 'Y', s = "Y";
}
while (1) {
if (s.size() == n) return s;
else if (s.size() <= n - 2) {
if (first == 'A') {
string p = s + "BB" + s + "BX" + s + "BY" + s + "X";
int y = press(p), sz = s.size();
if (y == sz + 2) {
s.push_back('B');
} else if (y == sz + 1) {
s.push_back('X');
} else s.push_back('Y');
} else if (first == 'B') {
string p = s + "AA" + s + "AX" + s + "AY" + s + "X";
int y = press(p), sz = s.size();
if (y == sz + 2) {
s.push_back('A');
} else if (y == sz + 1) {
s.push_back('X');
} else s.push_back('Y');
} else if (first == 'X') {
string p = s + "BB" + s + "BA" + s + "BY" + s + "A";
int y = press(p), sz = s.size();
if (y == sz + 2) {
s.push_back('B');
} else if (y == sz + 1) {
s.push_back('A');
} else s.push_back('Y');
} else {
string p = s + "BB" + s + "BA" + s + "BX" + s + "A";
int y = press(p), sz = s.size();
if (y == sz + 2) {
s.push_back('B');
} else if (y == sz + 1) {
s.push_back('A');
} else s.push_back('X');
}
} else {
if (first == 'A') {
string p = s + "B" + s + "X";
int y = press(p);
if (y == n - 1) {
s.push_back('Y');
} else {
p = s + "B";
y = press(p);
if (y == n - 1) {
s.push_back('X');
} else s.push_back('B');
}
} else if (first == 'B') {
string p = s + "A" + s + "X";
int y = press(p);
if (y == n - 1) {
s.push_back('Y');
} else {
p = s + "A";
y = press(p);
if (y == n - 1) {
s.push_back('X');
} else s.push_back('A');
}
} else if (first == 'X') {
string p = s + "B" + s + "A";
int y = press(p);
if (y == n - 1) {
s.push_back('Y');
} else {
p = s + "B";
y = press(p);
if (y == n - 1) {
s.push_back('A');
} else s.push_back('B');
}
} else {
string p = s + "B" + s + "A";
int y = press(p);
if (y == n - 1) {
s.push_back('X');
} else {
p = s + "B";
y = press(p);
if (y == n - 1) {
s.push_back('A');
} else s.push_back('B');
}
}
}
}
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:21:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
21 | if (s.size() == n) return s;
| ~~~~~~~~~^~~~
combo.cpp:22:27: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
22 | else if (s.size() <= n - 2) {
| ~~~~~~~~~^~~~~~~~
# |
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 |
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 |
1 ms |
208 KB |
Output is correct |
7 |
Correct |
1 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 |
260 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 |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
1 ms |
208 KB |
Output is correct |
20 |
Correct |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
1 ms |
208 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 |
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 |
1 ms |
208 KB |
Output is correct |
29 |
Correct |
0 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 |
1 ms |
208 KB |
Output is correct |
33 |
Correct |
1 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
1 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 |
1 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 |
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 |
1 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 |
1 ms |
208 KB |
Output is correct |
16 |
Correct |
0 ms |
208 KB |
Output is correct |
17 |
Correct |
12 ms |
356 KB |
Output is correct |
18 |
Correct |
22 ms |
528 KB |
Output is correct |
19 |
Correct |
27 ms |
352 KB |
Output is correct |
20 |
Correct |
21 ms |
432 KB |
Output is correct |
21 |
Correct |
22 ms |
424 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 |
300 KB |
Output is correct |
25 |
Correct |
1 ms |
208 KB |
Output is correct |
26 |
Correct |
3 ms |
300 KB |
Output is correct |
27 |
Correct |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
208 KB |
Output is correct |
29 |
Correct |
3 ms |
296 KB |
Output is correct |
30 |
Correct |
2 ms |
324 KB |
Output is correct |
31 |
Correct |
2 ms |
208 KB |
Output is correct |
32 |
Correct |
28 ms |
368 KB |
Output is correct |
33 |
Correct |
25 ms |
360 KB |
Output is correct |
34 |
Correct |
23 ms |
488 KB |
Output is correct |
35 |
Correct |
21 ms |
476 KB |
Output is correct |
36 |
Correct |
22 ms |
356 KB |
Output is correct |
37 |
Correct |
30 ms |
392 KB |
Output is correct |
38 |
Correct |
28 ms |
408 KB |
Output is correct |
39 |
Correct |
25 ms |
460 KB |
Output is correct |
40 |
Correct |
32 ms |
352 KB |
Output is correct |
41 |
Correct |
33 ms |
348 KB |
Output is correct |
42 |
Correct |
31 ms |
368 KB |
Output is correct |
43 |
Correct |
16 ms |
440 KB |
Output is correct |
44 |
Correct |
25 ms |
400 KB |
Output is correct |
45 |
Correct |
18 ms |
576 KB |
Output is correct |
46 |
Correct |
26 ms |
480 KB |
Output is correct |
47 |
Correct |
33 ms |
512 KB |
Output is correct |
48 |
Correct |
25 ms |
424 KB |
Output is correct |
49 |
Correct |
26 ms |
432 KB |
Output is correct |
50 |
Correct |
18 ms |
376 KB |
Output is correct |
51 |
Correct |
25 ms |
432 KB |
Output is correct |
52 |
Correct |
34 ms |
364 KB |
Output is correct |
53 |
Correct |
28 ms |
392 KB |
Output is correct |
54 |
Correct |
31 ms |
384 KB |
Output is correct |
55 |
Correct |
13 ms |
352 KB |
Output is correct |
56 |
Correct |
26 ms |
488 KB |
Output is correct |
57 |
Correct |
23 ms |
348 KB |
Output is correct |
58 |
Correct |
25 ms |
428 KB |
Output is correct |
59 |
Correct |
21 ms |
576 KB |
Output is correct |
60 |
Correct |
27 ms |
448 KB |
Output is correct |
61 |
Correct |
28 ms |
508 KB |
Output is correct |
62 |
Correct |
19 ms |
348 KB |
Output is correct |
63 |
Correct |
26 ms |
400 KB |
Output is correct |
64 |
Correct |
12 ms |
352 KB |
Output is correct |
65 |
Correct |
34 ms |
376 KB |
Output is correct |
66 |
Correct |
26 ms |
416 KB |
Output is correct |
67 |
Correct |
17 ms |
348 KB |
Output is correct |
68 |
Correct |
26 ms |
456 KB |
Output is correct |
69 |
Correct |
23 ms |
472 KB |
Output is correct |
70 |
Correct |
18 ms |
356 KB |
Output is correct |
71 |
Correct |
29 ms |
352 KB |
Output is correct |
72 |
Correct |
20 ms |
348 KB |
Output is correct |
73 |
Correct |
25 ms |
456 KB |
Output is correct |
74 |
Correct |
31 ms |
436 KB |
Output is correct |
75 |
Correct |
22 ms |
468 KB |
Output is correct |
76 |
Correct |
14 ms |
508 KB |
Output is correct |
77 |
Correct |
24 ms |
408 KB |
Output is correct |
78 |
Correct |
0 ms |
208 KB |
Output is correct |
79 |
Correct |
1 ms |
208 KB |
Output is correct |
80 |
Correct |
0 ms |
208 KB |
Output is correct |
81 |
Correct |
0 ms |
208 KB |
Output is correct |
82 |
Correct |
0 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 |
300 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 |
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 |
208 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 |
272 KB |
Output is correct |
104 |
Correct |
1 ms |
336 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 |
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 |
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 |
300 KB |
Output is correct |