| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 246994 |
2020-07-10T17:18:44 Z |
ernestvw |
Combo (IOI18_combo) |
C++17 |
|
44 ms |
824 KB |
#include <bits/stdc++.h>
using namespace std;
#define sz(x) ((int)x.size())
int press(string p);
char find_first() {
int q1 = press("AB");
if(q1 > 0) {
int q2 = press("A");
if(q2 > 0) return 'A';
return 'B';
}
int q2 = press("X");
if(q2 > 0) return 'X';
return 'Y';
}
string guess_sequence(int N) {
string ans = "";
char premier = find_first();
ans += premier;
vector<char> C;
if('A' != premier) C.push_back('A');
if('B' != premier) C.push_back('B');
if('X' != premier) C.push_back('X');
if('Y' != premier) C.push_back('Y');
vector<string> D;
for(char c1 : C) for(char c2 : C) {
string p = "";
p += c1;
p += c2;
D.push_back(p);
}
for(int i = 1; i < N - 1; ++i) {
string p = "";
vector<string> q(4, ans);
for(int j = 0; j < 3; ++j) {
q[j] += C[0];
q[j] += C[j];
}
q[3] += C[1];
for(string s : q) p += s;
int x = press(p);
if(x == i + 2)
ans += C[0];
else if(x == i + 1)
ans += C[1];
else
ans += C[2];
}
if(N == 1) return ans;
string p1 = ans;
p1 += C[0];
p1 += ans;
p1 += C[1];
int x = press(p1);
if(x == N) {
string p2 = ans;
p2 += C[0];
int y = press(p2);
if(y == N) ans += C[0];
else ans += C[1];
}
else ans += C[2];
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
200 KB |
Output is correct |
| 2 |
Correct |
1 ms |
200 KB |
Output is correct |
| 3 |
Correct |
1 ms |
200 KB |
Output is correct |
| 4 |
Correct |
0 ms |
200 KB |
Output is correct |
| 5 |
Correct |
0 ms |
200 KB |
Output is correct |
| 6 |
Correct |
0 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 |
0 ms |
200 KB |
Output is correct |
| 17 |
Correct |
1 ms |
200 KB |
Output is correct |
| 18 |
Correct |
1 ms |
200 KB |
Output is correct |
| 19 |
Correct |
1 ms |
200 KB |
Output is correct |
| 20 |
Correct |
1 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 |
1 ms |
200 KB |
Output is correct |
| 24 |
Correct |
1 ms |
200 KB |
Output is correct |
| 25 |
Correct |
1 ms |
200 KB |
Output is correct |
| 26 |
Correct |
0 ms |
200 KB |
Output is correct |
| 27 |
Correct |
1 ms |
200 KB |
Output is correct |
| 28 |
Correct |
1 ms |
200 KB |
Output is correct |
| 29 |
Correct |
1 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 |
0 ms |
200 KB |
Output is correct |
| 36 |
Correct |
1 ms |
200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
200 KB |
Output is correct |
| 2 |
Correct |
0 ms |
200 KB |
Output is correct |
| 3 |
Correct |
0 ms |
200 KB |
Output is correct |
| 4 |
Correct |
0 ms |
200 KB |
Output is correct |
| 5 |
Correct |
1 ms |
200 KB |
Output is correct |
| 6 |
Correct |
0 ms |
200 KB |
Output is correct |
| 7 |
Correct |
0 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 |
0 ms |
200 KB |
Output is correct |
| 14 |
Correct |
0 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 |
39 ms |
684 KB |
Output is correct |
| 18 |
Correct |
33 ms |
652 KB |
Output is correct |
| 19 |
Correct |
41 ms |
488 KB |
Output is correct |
| 20 |
Correct |
32 ms |
484 KB |
Output is correct |
| 21 |
Correct |
24 ms |
592 KB |
Output is correct |
| 22 |
Correct |
1 ms |
200 KB |
Output is correct |
| 23 |
Correct |
1 ms |
200 KB |
Output is correct |
| 24 |
Correct |
1 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 |
2 ms |
200 KB |
Output is correct |
| 29 |
Correct |
2 ms |
296 KB |
Output is correct |
| 30 |
Correct |
3 ms |
328 KB |
Output is correct |
| 31 |
Correct |
3 ms |
328 KB |
Output is correct |
| 32 |
Correct |
35 ms |
488 KB |
Output is correct |
| 33 |
Correct |
42 ms |
824 KB |
Output is correct |
| 34 |
Correct |
40 ms |
728 KB |
Output is correct |
| 35 |
Correct |
40 ms |
712 KB |
Output is correct |
| 36 |
Correct |
30 ms |
600 KB |
Output is correct |
| 37 |
Correct |
40 ms |
492 KB |
Output is correct |
| 38 |
Correct |
36 ms |
708 KB |
Output is correct |
| 39 |
Correct |
41 ms |
640 KB |
Output is correct |
| 40 |
Correct |
44 ms |
488 KB |
Output is correct |
| 41 |
Correct |
30 ms |
544 KB |
Output is correct |
| 42 |
Correct |
30 ms |
492 KB |
Output is correct |
| 43 |
Correct |
37 ms |
596 KB |
Output is correct |
| 44 |
Correct |
32 ms |
488 KB |
Output is correct |
| 45 |
Correct |
35 ms |
732 KB |
Output is correct |
| 46 |
Correct |
30 ms |
484 KB |
Output is correct |
| 47 |
Correct |
31 ms |
596 KB |
Output is correct |
| 48 |
Correct |
37 ms |
484 KB |
Output is correct |
| 49 |
Correct |
36 ms |
556 KB |
Output is correct |
| 50 |
Correct |
34 ms |
488 KB |
Output is correct |
| 51 |
Correct |
19 ms |
488 KB |
Output is correct |
| 52 |
Correct |
33 ms |
764 KB |
Output is correct |
| 53 |
Correct |
31 ms |
536 KB |
Output is correct |
| 54 |
Correct |
33 ms |
604 KB |
Output is correct |
| 55 |
Correct |
38 ms |
520 KB |
Output is correct |
| 56 |
Correct |
30 ms |
504 KB |
Output is correct |
| 57 |
Correct |
29 ms |
488 KB |
Output is correct |
| 58 |
Correct |
42 ms |
488 KB |
Output is correct |
| 59 |
Correct |
31 ms |
488 KB |
Output is correct |
| 60 |
Correct |
34 ms |
560 KB |
Output is correct |
| 61 |
Correct |
31 ms |
604 KB |
Output is correct |
| 62 |
Correct |
38 ms |
492 KB |
Output is correct |
| 63 |
Correct |
42 ms |
484 KB |
Output is correct |
| 64 |
Correct |
30 ms |
488 KB |
Output is correct |
| 65 |
Correct |
28 ms |
612 KB |
Output is correct |
| 66 |
Correct |
42 ms |
488 KB |
Output is correct |
| 67 |
Correct |
41 ms |
576 KB |
Output is correct |
| 68 |
Correct |
28 ms |
596 KB |
Output is correct |
| 69 |
Correct |
37 ms |
508 KB |
Output is correct |
| 70 |
Correct |
29 ms |
668 KB |
Output is correct |
| 71 |
Correct |
41 ms |
488 KB |
Output is correct |
| 72 |
Correct |
37 ms |
684 KB |
Output is correct |
| 73 |
Correct |
25 ms |
496 KB |
Output is correct |
| 74 |
Correct |
35 ms |
528 KB |
Output is correct |
| 75 |
Correct |
31 ms |
488 KB |
Output is correct |
| 76 |
Correct |
20 ms |
488 KB |
Output is correct |
| 77 |
Correct |
41 ms |
628 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 |
200 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 |
1 ms |
200 KB |
Output is correct |
| 86 |
Correct |
1 ms |
200 KB |
Output is correct |
| 87 |
Correct |
1 ms |
200 KB |
Output is correct |
| 88 |
Correct |
1 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 |
1 ms |
200 KB |
Output is correct |
| 95 |
Correct |
1 ms |
200 KB |
Output is correct |
| 96 |
Correct |
1 ms |
292 KB |
Output is correct |
| 97 |
Correct |
1 ms |
200 KB |
Output is correct |
| 98 |
Correct |
1 ms |
200 KB |
Output is correct |
| 99 |
Correct |
1 ms |
200 KB |
Output is correct |
| 100 |
Correct |
1 ms |
200 KB |
Output is correct |
| 101 |
Correct |
1 ms |
200 KB |
Output is correct |
| 102 |
Correct |
1 ms |
200 KB |
Output is correct |
| 103 |
Correct |
1 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 |
200 KB |
Output is correct |
| 114 |
Correct |
1 ms |
200 KB |
Output is correct |
| 115 |
Correct |
1 ms |
200 KB |
Output is correct |
| 116 |
Correct |
1 ms |
200 KB |
Output is correct |
| 117 |
Correct |
1 ms |
288 KB |
Output is correct |
| 118 |
Correct |
1 ms |
200 KB |
Output is correct |
| 119 |
Correct |
1 ms |
200 KB |
Output is correct |
| 120 |
Correct |
1 ms |
200 KB |
Output is correct |
| 121 |
Correct |
1 ms |
200 KB |
Output is correct |
| 122 |
Correct |
2 ms |
200 KB |
Output is correct |
| 123 |
Correct |
1 ms |
200 KB |
Output is correct |
