| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 345947 |
2021-01-08T14:33:32 Z |
BlancaHM |
Combo (IOI18_combo) |
C++14 |
|
49 ms |
672 KB |
#include <iostream>
#include <vector>
#include <string>
#include <combo.h>
using namespace std;
string guess_sequence(int N) {
// 100 points: N + 2 calls to "press"
string p = "";
string S = "";
vector<string> v = {};
int coins = 0;
// guess 1st letter of S (num of calls to "press" = 2)
p = "AB"; coins = press(p);
if (coins >= 1) {
p = "A"; coins = press(p);
if (coins == 1) {S = "A"; v = {"B", "X", "Y"};} // 1st letter = A
else {S = "B"; v = {"A", "X", "Y"};} // 1st letter = B
}
else {
p = "X"; coins = press(p);
if (coins == 1) {S = "X"; v = {"A", "B", "Y"};} // 1st letter = X
else {S = "Y"; v = {"A", "B", "X"};} // 1st letter = Y
}
// guess from 2nd letter to N-1 (num of calls to "press" = N-2)
while (3*((int) S.length() + 2) + (int) S.length() + 1 <= 4*N) {
p = S + v[0]+v[0] + S + v[0]+v[1] + S + v[0]+v[2] + S + v[1];
coins = press(p);
if (coins == (int) S.length() +2) {S += v[0];} // next letter = B v[0]
else if (coins == (int) S.length() +1) {S += v[1];} // next letter = X v[1]
else {S += v[2];} // next letter = Y v[2]
}
if ((int) S.length() < N) {
// guess last letter of S (num of calls to "press" = 2)
p = S + v[0];
coins = press(p);
if (coins == N) {S += v[0];}
else {
p = S + v[1]; coins = press(p);
if (coins == N) {S += v[1];}
else {S += v[2];}
}
}
// total of calls to "press" = 2 + N-2 + 2 = (N + 2)
return S;
}
| # |
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 |
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 |
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 |
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 |
1 ms |
200 KB |
Output is correct |
| 18 |
Correct |
0 ms |
200 KB |
Output is correct |
| 19 |
Correct |
1 ms |
200 KB |
Output is correct |
| 20 |
Correct |
0 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 |
0 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 |
0 ms |
200 KB |
Output is correct |
| 29 |
Correct |
0 ms |
200 KB |
Output is correct |
| 30 |
Correct |
1 ms |
200 KB |
Output is correct |
| 31 |
Correct |
0 ms |
200 KB |
Output is correct |
| 32 |
Correct |
0 ms |
200 KB |
Output is correct |
| 33 |
Correct |
0 ms |
200 KB |
Output is correct |
| 34 |
Correct |
0 ms |
200 KB |
Output is correct |
| 35 |
Correct |
1 ms |
200 KB |
Output is correct |
| 36 |
Correct |
0 ms |
200 KB |
Output is correct |
| # |
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 |
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 |
0 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 |
0 ms |
200 KB |
Output is correct |
| 16 |
Correct |
1 ms |
200 KB |
Output is correct |
| 17 |
Correct |
38 ms |
420 KB |
Output is correct |
| 18 |
Correct |
23 ms |
472 KB |
Output is correct |
| 19 |
Correct |
37 ms |
408 KB |
Output is correct |
| 20 |
Correct |
31 ms |
412 KB |
Output is correct |
| 21 |
Correct |
22 ms |
408 KB |
Output is correct |
| 22 |
Correct |
1 ms |
200 KB |
Output is correct |
| 23 |
Correct |
1 ms |
200 KB |
Output is correct |
| 24 |
Correct |
2 ms |
200 KB |
Output is correct |
| 25 |
Correct |
3 ms |
292 KB |
Output is correct |
| 26 |
Correct |
3 ms |
200 KB |
Output is correct |
| 27 |
Correct |
3 ms |
292 KB |
Output is correct |
| 28 |
Correct |
4 ms |
328 KB |
Output is correct |
| 29 |
Correct |
2 ms |
328 KB |
Output is correct |
| 30 |
Correct |
5 ms |
328 KB |
Output is correct |
| 31 |
Correct |
2 ms |
328 KB |
Output is correct |
| 32 |
Correct |
28 ms |
524 KB |
Output is correct |
| 33 |
Correct |
28 ms |
444 KB |
Output is correct |
| 34 |
Correct |
16 ms |
400 KB |
Output is correct |
| 35 |
Correct |
43 ms |
564 KB |
Output is correct |
| 36 |
Correct |
28 ms |
516 KB |
Output is correct |
| 37 |
Correct |
30 ms |
672 KB |
Output is correct |
| 38 |
Correct |
33 ms |
420 KB |
Output is correct |
| 39 |
Correct |
33 ms |
596 KB |
Output is correct |
| 40 |
Correct |
23 ms |
628 KB |
Output is correct |
| 41 |
Correct |
33 ms |
404 KB |
Output is correct |
| 42 |
Correct |
31 ms |
400 KB |
Output is correct |
| 43 |
Correct |
34 ms |
404 KB |
Output is correct |
| 44 |
Correct |
41 ms |
400 KB |
Output is correct |
| 45 |
Correct |
33 ms |
400 KB |
Output is correct |
| 46 |
Correct |
34 ms |
520 KB |
Output is correct |
| 47 |
Correct |
38 ms |
512 KB |
Output is correct |
| 48 |
Correct |
36 ms |
520 KB |
Output is correct |
| 49 |
Correct |
28 ms |
484 KB |
Output is correct |
| 50 |
Correct |
34 ms |
400 KB |
Output is correct |
| 51 |
Correct |
25 ms |
404 KB |
Output is correct |
| 52 |
Correct |
36 ms |
516 KB |
Output is correct |
| 53 |
Correct |
32 ms |
480 KB |
Output is correct |
| 54 |
Correct |
19 ms |
400 KB |
Output is correct |
| 55 |
Correct |
49 ms |
444 KB |
Output is correct |
| 56 |
Correct |
36 ms |
492 KB |
Output is correct |
| 57 |
Correct |
38 ms |
404 KB |
Output is correct |
| 58 |
Correct |
28 ms |
408 KB |
Output is correct |
| 59 |
Correct |
22 ms |
404 KB |
Output is correct |
| 60 |
Correct |
38 ms |
484 KB |
Output is correct |
| 61 |
Correct |
36 ms |
404 KB |
Output is correct |
| 62 |
Correct |
30 ms |
404 KB |
Output is correct |
| 63 |
Correct |
29 ms |
516 KB |
Output is correct |
| 64 |
Correct |
18 ms |
400 KB |
Output is correct |
| 65 |
Correct |
35 ms |
468 KB |
Output is correct |
| 66 |
Correct |
25 ms |
532 KB |
Output is correct |
| 67 |
Correct |
31 ms |
480 KB |
Output is correct |
| 68 |
Correct |
45 ms |
464 KB |
Output is correct |
| 69 |
Correct |
36 ms |
404 KB |
Output is correct |
| 70 |
Correct |
41 ms |
404 KB |
Output is correct |
| 71 |
Correct |
33 ms |
480 KB |
Output is correct |
| 72 |
Correct |
34 ms |
404 KB |
Output is correct |
| 73 |
Correct |
34 ms |
404 KB |
Output is correct |
| 74 |
Correct |
37 ms |
404 KB |
Output is correct |
| 75 |
Correct |
41 ms |
400 KB |
Output is correct |
| 76 |
Correct |
36 ms |
404 KB |
Output is correct |
| 77 |
Correct |
28 ms |
404 KB |
Output is correct |
| 78 |
Correct |
0 ms |
200 KB |
Output is correct |
| 79 |
Correct |
1 ms |
200 KB |
Output is correct |
| 80 |
Correct |
0 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 |
296 KB |
Output is correct |
| 85 |
Correct |
1 ms |
292 KB |
Output is correct |
| 86 |
Correct |
1 ms |
300 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 |
2 ms |
200 KB |
Output is correct |
| 95 |
Correct |
3 ms |
200 KB |
Output is correct |
| 96 |
Correct |
1 ms |
200 KB |
Output is correct |
| 97 |
Correct |
1 ms |
200 KB |
Output is correct |
| 98 |
Correct |
1 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 |
1 ms |
200 KB |
Output is correct |
| 103 |
Correct |
1 ms |
200 KB |
Output is correct |
| 104 |
Correct |
1 ms |
292 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 |
0 ms |
200 KB |
Output is correct |
| 114 |
Correct |
2 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 |
200 KB |
Output is correct |
| 118 |
Correct |
3 ms |
200 KB |
Output is correct |
| 119 |
Correct |
1 ms |
200 KB |
Output is correct |
| 120 |
Correct |
1 ms |
296 KB |
Output is correct |
| 121 |
Correct |
1 ms |
200 KB |
Output is correct |
| 122 |
Correct |
1 ms |
200 KB |
Output is correct |
| 123 |
Correct |
1 ms |
200 KB |
Output is correct |
