# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
708528 |
2023-03-12T02:52:08 Z |
joelgun14 |
Combo (IOI18_combo) |
C++17 |
|
33 ms |
636 KB |
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
std::string guess_sequence(int N) {
// determine first instance -> 2 operations
// the rest should be able to be done constructively
// AB
// AC
// BA
// BC
// CA
// CB
// AA
// BB
// CC
// try to find combo that can find the result in 2 moves !!!
// AB, AA, BC
// 3 -> ABA, ABB, ABC, know 2 chars are AB, reset ASAP
// 2 -> AA, AC -> can add 1 op to know first and second char
// 1 -> BA, BB, BC -> know what first char is B, can just reset ASAP
// 0 -> CC, CA, CB -> we know next char, can just reset ASAP
// next: try to search 3 of those at once while determining next element
// mis AA AC
// -> just use 1 more to find
// -> ABA ABB ABC
// just brute force bagi kasus aja ga sih :D
// DABA DABB DABC DB -> init query
// D -> cur prefix
// determine init
vector<char> A;
int X = press("AB");
string cur = "";
if(X == 2)
cur = "AB", A = {'B', 'X', 'Y'};
else {
if(X == 1) {
X = press("A");
if(X) {
cur += 'A', A = {'B', 'X', 'Y'};
}
else
cur += 'B', A = {'A', 'X', 'Y'};
}
else {
X = press("X");
if(X)
cur += 'X', A = {'A', 'B', 'Y'};
else
cur += 'Y', A = {'A', 'B', 'X'};
}
}
while(cur.size() < N) {
/*
if(N - cur.size() >= 3) {
int X = press(cur + A[0] + A[0] + A[0] + cur + A[0] + A[0] + A[1] + cur + A[0] + A[0] + A[2] + cur + A[1]);
if(X == 3) {
cur += A[0] + A[0];
continue;
}
else if(X == 2) {
// antara A[0] + A[1] atau A[0] + A[2]
X = press(cur + A[1]);
if(X == 2)
cur += A[1];
else
cur += A[2];
}
else if(X == 1) {
cur += A[1];
}
else
cur += A[0];
}
*/
if(N - cur.size() >= 2) {
X = press(cur + A[0] + A[0] + cur + A[0] + A[1] + cur + A[0] + A[2] + cur + A[1]);
if(X == cur.size() + 2)
cur += A[0];
else if(X == cur.size() + 1)
cur += A[1];
else
cur += A[2];
}
else {
// use 2 queries to know
X = press(cur + A[0]);
if(X == cur.size() + 1)
cur += A[0];
else {
X = press(cur + A[1]);
if(X == cur.size() + 1)
cur += A[1];
else
cur += A[2];
}
}
}
return cur;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:53:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
53 | while(cur.size() < N) {
| ~~~~~~~~~~~^~~
combo.cpp:78:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
78 | if(X == cur.size() + 2)
| ~~^~~~~~~~~~~~~~~~~
combo.cpp:80:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | else if(X == cur.size() + 1)
| ~~^~~~~~~~~~~~~~~~~
combo.cpp:88:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
88 | if(X == cur.size() + 1)
| ~~^~~~~~~~~~~~~~~~~
combo.cpp:92:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
92 | if(X == cur.size() + 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 |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
0 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
1 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 |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 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 |
0 ms |
208 KB |
Output is correct |
21 |
Correct |
1 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 |
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 |
1 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 |
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 |
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 |
0 ms |
208 KB |
Output is correct |
8 |
Correct |
1 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
1 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
1 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 |
17 ms |
552 KB |
Output is correct |
18 |
Correct |
22 ms |
424 KB |
Output is correct |
19 |
Correct |
18 ms |
464 KB |
Output is correct |
20 |
Correct |
28 ms |
352 KB |
Output is correct |
21 |
Correct |
23 ms |
356 KB |
Output is correct |
22 |
Correct |
0 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 |
1 ms |
208 KB |
Output is correct |
27 |
Correct |
1 ms |
208 KB |
Output is correct |
28 |
Correct |
2 ms |
208 KB |
Output is correct |
29 |
Correct |
2 ms |
208 KB |
Output is correct |
30 |
Correct |
2 ms |
308 KB |
Output is correct |
31 |
Correct |
4 ms |
208 KB |
Output is correct |
32 |
Correct |
12 ms |
352 KB |
Output is correct |
33 |
Correct |
33 ms |
536 KB |
Output is correct |
34 |
Correct |
16 ms |
548 KB |
Output is correct |
35 |
Correct |
27 ms |
464 KB |
Output is correct |
36 |
Correct |
29 ms |
448 KB |
Output is correct |
37 |
Correct |
21 ms |
436 KB |
Output is correct |
38 |
Correct |
15 ms |
412 KB |
Output is correct |
39 |
Correct |
33 ms |
352 KB |
Output is correct |
40 |
Correct |
23 ms |
456 KB |
Output is correct |
41 |
Correct |
22 ms |
564 KB |
Output is correct |
42 |
Correct |
29 ms |
452 KB |
Output is correct |
43 |
Correct |
33 ms |
544 KB |
Output is correct |
44 |
Correct |
23 ms |
440 KB |
Output is correct |
45 |
Correct |
25 ms |
460 KB |
Output is correct |
46 |
Correct |
33 ms |
352 KB |
Output is correct |
47 |
Correct |
29 ms |
480 KB |
Output is correct |
48 |
Correct |
20 ms |
616 KB |
Output is correct |
49 |
Correct |
29 ms |
364 KB |
Output is correct |
50 |
Correct |
29 ms |
400 KB |
Output is correct |
51 |
Correct |
24 ms |
412 KB |
Output is correct |
52 |
Correct |
17 ms |
464 KB |
Output is correct |
53 |
Correct |
26 ms |
552 KB |
Output is correct |
54 |
Correct |
30 ms |
548 KB |
Output is correct |
55 |
Correct |
19 ms |
456 KB |
Output is correct |
56 |
Correct |
30 ms |
356 KB |
Output is correct |
57 |
Correct |
24 ms |
348 KB |
Output is correct |
58 |
Correct |
19 ms |
428 KB |
Output is correct |
59 |
Correct |
26 ms |
500 KB |
Output is correct |
60 |
Correct |
32 ms |
500 KB |
Output is correct |
61 |
Correct |
31 ms |
348 KB |
Output is correct |
62 |
Correct |
16 ms |
440 KB |
Output is correct |
63 |
Correct |
27 ms |
452 KB |
Output is correct |
64 |
Correct |
26 ms |
636 KB |
Output is correct |
65 |
Correct |
23 ms |
576 KB |
Output is correct |
66 |
Correct |
23 ms |
480 KB |
Output is correct |
67 |
Correct |
18 ms |
348 KB |
Output is correct |
68 |
Correct |
26 ms |
412 KB |
Output is correct |
69 |
Correct |
12 ms |
436 KB |
Output is correct |
70 |
Correct |
25 ms |
440 KB |
Output is correct |
71 |
Correct |
31 ms |
352 KB |
Output is correct |
72 |
Correct |
25 ms |
352 KB |
Output is correct |
73 |
Correct |
30 ms |
352 KB |
Output is correct |
74 |
Correct |
29 ms |
448 KB |
Output is correct |
75 |
Correct |
17 ms |
460 KB |
Output is correct |
76 |
Correct |
24 ms |
528 KB |
Output is correct |
77 |
Correct |
29 ms |
384 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 |
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 |
208 KB |
Output is correct |
88 |
Correct |
0 ms |
208 KB |
Output is correct |
89 |
Correct |
0 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 |
300 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 |
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 |
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 |
0 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 |
220 KB |
Output is correct |
123 |
Correct |
2 ms |
208 KB |
Output is correct |