| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 97304 |
2019-02-15T02:01:09 Z |
E869120 |
Combo (IOI18_combo) |
C++14 |
|
41 ms |
596 KB |
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string G = "ABXY", I;
string rev(int p1, int p2) {
return I.substr(p1, 1) + I.substr(p2, 1);
}
string guess_sequence(int N) {
// At first, you should find the 1st letter
int F1 = press("AB"), fir = 0;
if (F1 >= 1) {
int F2 = press("A");
if (F2 == 1) fir = 0; else fir = 1;
}
else {
int F2 = press("X");
if (F2 == 1) fir = 2; else fir = 3;
}
for (int i = 0; i < 4; i++) { if (i != fir) I += G[i]; }
// Second, you should find 2 - (N-1)th letter
string S = ""; S += G[fir];
while ((int)S.size() <= N - 2) {
string query = S + rev(0, 0) + S + rev(0, 1) + S + rev(1, 2);
int F3 = press(query);
if (F3 >= S.size() + 2) {
string query2 = S + rev(0, 0);
int F4 = press(query2);
if (F4 == S.size() + 2) S += rev(0, 0);
else if (F4 == S.size() + 1) S += rev(0, 1);
else if (F4 == S.size() + 0) S += rev(1, 2);
}
else if (F3 == S.size() + 1) {
string query2 = S + rev(1, 0);
int F4 = press(query2);
if (F4 == S.size() + 2) S += rev(1, 0);
else if (F4 == S.size() + 1) S += rev(1, 1);
else if (F4 == S.size() + 0) S += rev(0, 2);
}
else {
S += I[2];
}
}
if (S.size() == N - 1) {
for (int i = 0; i < 2; i++) {
string query3 = S + I.substr(i, 1);
int F5 = press(query3);
if (F5 == N) { S += I[i]; break; }
}
if (S.size() == N - 1) S += I[2];
}
return S;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:31:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | if (F3 >= S.size() + 2) {
| ~~~^~~~~~~~~~~~~~~
combo.cpp:34:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
34 | if (F4 == S.size() + 2) S += rev(0, 0);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
35 | else if (F4 == S.size() + 1) S += rev(0, 1);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:36:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | else if (F4 == S.size() + 0) S += rev(1, 2);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:38:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
38 | else if (F3 == S.size() + 1) {
| ~~~^~~~~~~~~~~~~~~
combo.cpp:41:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | if (F4 == S.size() + 2) S += rev(1, 0);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:42:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | else if (F4 == S.size() + 1) S += rev(1, 1);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:43:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | else if (F4 == S.size() + 0) S += rev(0, 2);
| ~~~^~~~~~~~~~~~~~~
combo.cpp:50:15: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
50 | if (S.size() == N - 1) {
| ~~~~~~~~~^~~~~~~~
combo.cpp:56:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
56 | if (S.size() == N - 1) S += I[2];
| ~~~~~~~~~^~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
2 ms |
232 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
2 ms |
200 KB |
Output is correct |
| 6 |
Correct |
2 ms |
200 KB |
Output is correct |
| 7 |
Correct |
1 ms |
200 KB |
Output is correct |
| 8 |
Correct |
1 ms |
200 KB |
Output is correct |
| 9 |
Correct |
2 ms |
200 KB |
Output is correct |
| 10 |
Correct |
1 ms |
244 KB |
Output is correct |
| 11 |
Correct |
1 ms |
200 KB |
Output is correct |
| 12 |
Correct |
1 ms |
200 KB |
Output is correct |
| 13 |
Correct |
2 ms |
200 KB |
Output is correct |
| 14 |
Correct |
1 ms |
200 KB |
Output is correct |
| 15 |
Correct |
2 ms |
200 KB |
Output is correct |
| 16 |
Correct |
1 ms |
200 KB |
Output is correct |
| 17 |
Correct |
2 ms |
200 KB |
Output is correct |
| 18 |
Correct |
2 ms |
200 KB |
Output is correct |
| 19 |
Correct |
2 ms |
200 KB |
Output is correct |
| 20 |
Correct |
2 ms |
200 KB |
Output is correct |
| 21 |
Correct |
1 ms |
200 KB |
Output is correct |
| 22 |
Correct |
1 ms |
200 KB |
Output is correct |
| 23 |
Correct |
2 ms |
200 KB |
Output is correct |
| 24 |
Correct |
1 ms |
200 KB |
Output is correct |
| 25 |
Correct |
2 ms |
200 KB |
Output is correct |
| 26 |
Correct |
2 ms |
200 KB |
Output is correct |
| 27 |
Correct |
1 ms |
200 KB |
Output is correct |
| 28 |
Correct |
2 ms |
200 KB |
Output is correct |
| 29 |
Correct |
2 ms |
200 KB |
Output is correct |
| 30 |
Correct |
1 ms |
200 KB |
Output is correct |
| 31 |
Correct |
1 ms |
200 KB |
Output is correct |
| 32 |
Correct |
1 ms |
200 KB |
Output is correct |
| 33 |
Correct |
1 ms |
200 KB |
Output is correct |
| 34 |
Correct |
1 ms |
200 KB |
Output is correct |
| 35 |
Correct |
1 ms |
200 KB |
Output is correct |
| 36 |
Correct |
1 ms |
200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
2 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
1 ms |
200 KB |
Output is correct |
| 5 |
Correct |
1 ms |
200 KB |
Output is correct |
| 6 |
Correct |
1 ms |
200 KB |
Output is correct |
| 7 |
Correct |
1 ms |
200 KB |
Output is correct |
| 8 |
Correct |
1 ms |
200 KB |
Output is correct |
| 9 |
Correct |
1 ms |
200 KB |
Output is correct |
| 10 |
Correct |
1 ms |
200 KB |
Output is correct |
| 11 |
Correct |
1 ms |
200 KB |
Output is correct |
| 12 |
Correct |
1 ms |
200 KB |
Output is correct |
| 13 |
Correct |
1 ms |
200 KB |
Output is correct |
| 14 |
Correct |
1 ms |
200 KB |
Output is correct |
| 15 |
Correct |
1 ms |
200 KB |
Output is correct |
| 16 |
Correct |
1 ms |
200 KB |
Output is correct |
| 17 |
Correct |
35 ms |
428 KB |
Output is correct |
| 18 |
Correct |
32 ms |
364 KB |
Output is correct |
| 19 |
Correct |
24 ms |
368 KB |
Output is correct |
| 20 |
Correct |
29 ms |
364 KB |
Output is correct |
| 21 |
Correct |
27 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
200 KB |
Output is correct |
| 23 |
Correct |
2 ms |
200 KB |
Output is correct |
| 24 |
Correct |
2 ms |
200 KB |
Output is correct |
| 25 |
Correct |
2 ms |
296 KB |
Output is correct |
| 26 |
Correct |
2 ms |
200 KB |
Output is correct |
| 27 |
Correct |
2 ms |
200 KB |
Output is correct |
| 28 |
Correct |
3 ms |
296 KB |
Output is correct |
| 29 |
Correct |
3 ms |
256 KB |
Output is correct |
| 30 |
Correct |
2 ms |
200 KB |
Output is correct |
| 31 |
Correct |
4 ms |
200 KB |
Output is correct |
| 32 |
Correct |
30 ms |
488 KB |
Output is correct |
| 33 |
Correct |
25 ms |
368 KB |
Output is correct |
| 34 |
Correct |
38 ms |
456 KB |
Output is correct |
| 35 |
Correct |
19 ms |
368 KB |
Output is correct |
| 36 |
Correct |
33 ms |
408 KB |
Output is correct |
| 37 |
Correct |
37 ms |
596 KB |
Output is correct |
| 38 |
Correct |
36 ms |
476 KB |
Output is correct |
| 39 |
Correct |
36 ms |
448 KB |
Output is correct |
| 40 |
Correct |
36 ms |
368 KB |
Output is correct |
| 41 |
Correct |
27 ms |
372 KB |
Output is correct |
| 42 |
Correct |
24 ms |
368 KB |
Output is correct |
| 43 |
Correct |
39 ms |
364 KB |
Output is correct |
| 44 |
Correct |
36 ms |
368 KB |
Output is correct |
| 45 |
Correct |
28 ms |
364 KB |
Output is correct |
| 46 |
Correct |
30 ms |
364 KB |
Output is correct |
| 47 |
Correct |
35 ms |
364 KB |
Output is correct |
| 48 |
Correct |
28 ms |
364 KB |
Output is correct |
| 49 |
Correct |
33 ms |
368 KB |
Output is correct |
| 50 |
Correct |
15 ms |
364 KB |
Output is correct |
| 51 |
Correct |
33 ms |
364 KB |
Output is correct |
| 52 |
Correct |
32 ms |
440 KB |
Output is correct |
| 53 |
Correct |
37 ms |
364 KB |
Output is correct |
| 54 |
Correct |
31 ms |
484 KB |
Output is correct |
| 55 |
Correct |
31 ms |
452 KB |
Output is correct |
| 56 |
Correct |
39 ms |
400 KB |
Output is correct |
| 57 |
Correct |
33 ms |
364 KB |
Output is correct |
| 58 |
Correct |
29 ms |
460 KB |
Output is correct |
| 59 |
Correct |
38 ms |
424 KB |
Output is correct |
| 60 |
Correct |
37 ms |
368 KB |
Output is correct |
| 61 |
Correct |
26 ms |
368 KB |
Output is correct |
| 62 |
Correct |
33 ms |
452 KB |
Output is correct |
| 63 |
Correct |
41 ms |
420 KB |
Output is correct |
| 64 |
Correct |
34 ms |
328 KB |
Output is correct |
| 65 |
Correct |
30 ms |
336 KB |
Output is correct |
| 66 |
Correct |
22 ms |
368 KB |
Output is correct |
| 67 |
Correct |
26 ms |
460 KB |
Output is correct |
| 68 |
Correct |
30 ms |
364 KB |
Output is correct |
| 69 |
Correct |
32 ms |
460 KB |
Output is correct |
| 70 |
Correct |
29 ms |
364 KB |
Output is correct |
| 71 |
Correct |
23 ms |
368 KB |
Output is correct |
| 72 |
Correct |
26 ms |
368 KB |
Output is correct |
| 73 |
Correct |
33 ms |
464 KB |
Output is correct |
| 74 |
Correct |
37 ms |
368 KB |
Output is correct |
| 75 |
Correct |
33 ms |
572 KB |
Output is correct |
| 76 |
Correct |
36 ms |
364 KB |
Output is correct |
| 77 |
Correct |
33 ms |
372 KB |
Output is correct |
| 78 |
Correct |
1 ms |
200 KB |
Output is correct |
| 79 |
Correct |
1 ms |
200 KB |
Output is correct |
| 80 |
Correct |
1 ms |
200 KB |
Output is correct |
| 81 |
Correct |
1 ms |
232 KB |
Output is correct |
| 82 |
Correct |
1 ms |
200 KB |
Output is correct |
| 83 |
Correct |
1 ms |
200 KB |
Output is correct |
| 84 |
Correct |
1 ms |
200 KB |
Output is correct |
| 85 |
Correct |
2 ms |
200 KB |
Output is correct |
| 86 |
Correct |
2 ms |
200 KB |
Output is correct |
| 87 |
Correct |
2 ms |
280 KB |
Output is correct |
| 88 |
Correct |
2 ms |
200 KB |
Output is correct |
| 89 |
Correct |
1 ms |
200 KB |
Output is correct |
| 90 |
Correct |
1 ms |
200 KB |
Output is correct |
| 91 |
Correct |
1 ms |
200 KB |
Output is correct |
| 92 |
Correct |
1 ms |
200 KB |
Output is correct |
| 93 |
Correct |
1 ms |
200 KB |
Output is correct |
| 94 |
Correct |
2 ms |
200 KB |
Output is correct |
| 95 |
Correct |
1 ms |
200 KB |
Output is correct |
| 96 |
Correct |
1 ms |
200 KB |
Output is correct |
| 97 |
Correct |
2 ms |
200 KB |
Output is correct |
| 98 |
Correct |
2 ms |
200 KB |
Output is correct |
| 99 |
Correct |
2 ms |
200 KB |
Output is correct |
| 100 |
Correct |
2 ms |
200 KB |
Output is correct |
| 101 |
Correct |
1 ms |
200 KB |
Output is correct |
| 102 |
Correct |
2 ms |
200 KB |
Output is correct |
| 103 |
Correct |
2 ms |
200 KB |
Output is correct |
| 104 |
Correct |
1 ms |
200 KB |
Output is correct |
| 105 |
Correct |
1 ms |
200 KB |
Output is correct |
| 106 |
Correct |
1 ms |
200 KB |
Output is correct |
| 107 |
Correct |
1 ms |
200 KB |
Output is correct |
| 108 |
Correct |
1 ms |
200 KB |
Output is correct |
| 109 |
Correct |
1 ms |
200 KB |
Output is correct |
| 110 |
Correct |
1 ms |
200 KB |
Output is correct |
| 111 |
Correct |
1 ms |
200 KB |
Output is correct |
| 112 |
Correct |
1 ms |
200 KB |
Output is correct |
| 113 |
Correct |
1 ms |
220 KB |
Output is correct |
| 114 |
Correct |
1 ms |
200 KB |
Output is correct |
| 115 |
Correct |
1 ms |
200 KB |
Output is correct |
| 116 |
Correct |
2 ms |
236 KB |
Output is correct |
| 117 |
Correct |
2 ms |
200 KB |
Output is correct |
| 118 |
Correct |
1 ms |
200 KB |
Output is correct |
| 119 |
Correct |
2 ms |
200 KB |
Output is correct |
| 120 |
Correct |
2 ms |
200 KB |
Output is correct |
| 121 |
Correct |
2 ms |
200 KB |
Output is correct |
| 122 |
Correct |
2 ms |
248 KB |
Output is correct |
| 123 |
Correct |
2 ms |
256 KB |
Output is correct |
