# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
270830 |
2020-08-18T02:50:26 Z |
cjoa |
Combo (IOI18_combo) |
C++11 |
|
39 ms |
584 KB |
#include "combo.h"
#include <iostream>
using namespace std;
const string letters = "ABXY";
std::string guess_sequence(int N) {
// cerr << "N:" << N << endl;
string res;
// determine first letter
char matched_first_char;
string cand = letters.substr(0, 2);
int coins = press(cand);
if (coins == 2) {
res += cand;
matched_first_char = cand[0];
}
else {
if (coins == 0)
cand = letters.substr(2);
coins = press(cand.substr(0, 1));
matched_first_char = cand[ coins == 0 ? 1 : 0 ];
res += matched_first_char;
}
cand = letters;
int p = cand.find(matched_first_char);
swap(cand[p], cand[3]);
// cerr << "cand: " << cand << endl;
// determine letters upto N-1
for (int n = res.size(); n < N-1; ++n) {
string guess = res;
guess += cand[1];
for (int k = 0; k < 3; ++k) {
guess += res;
guess += cand[2];
guess += cand[k];
}
coins = press(guess);
int k = coins - res.size();
// cerr << "n:" << n << " guess:" << guess << " coins:" << coins << endl;
res += cand[k];
// cerr << "res:" << res << endl;
}
// determine last letter
if (int(res.size()) < N) {
string guess = res;
guess += cand[0];
guess += cand[3];
guess += res;
guess += cand[1];
coins = press(guess);
if (coins == N) {
guess = res + cand[0];
coins = press(guess);
if (coins == N)
res += cand[0];
else
res += cand[1];
}
else
res += cand[2];
}
// cerr << "res: " << res << endl;
return res;
}
# |
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 |
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 |
0 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 |
1 ms |
200 KB |
Output is correct |
15 |
Correct |
0 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 |
320 KB |
Output is correct |
21 |
Correct |
0 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 |
1 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 |
1 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 |
1 ms |
200 KB |
Output is correct |
4 |
Correct |
1 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 |
0 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 |
32 ms |
340 KB |
Output is correct |
18 |
Correct |
31 ms |
568 KB |
Output is correct |
19 |
Correct |
29 ms |
436 KB |
Output is correct |
20 |
Correct |
36 ms |
348 KB |
Output is correct |
21 |
Correct |
20 ms |
344 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 |
288 KB |
Output is correct |
25 |
Correct |
1 ms |
200 KB |
Output is correct |
26 |
Correct |
1 ms |
200 KB |
Output is correct |
27 |
Correct |
3 ms |
200 KB |
Output is correct |
28 |
Correct |
2 ms |
200 KB |
Output is correct |
29 |
Correct |
2 ms |
328 KB |
Output is correct |
30 |
Correct |
3 ms |
284 KB |
Output is correct |
31 |
Correct |
2 ms |
200 KB |
Output is correct |
32 |
Correct |
37 ms |
420 KB |
Output is correct |
33 |
Correct |
26 ms |
344 KB |
Output is correct |
34 |
Correct |
36 ms |
504 KB |
Output is correct |
35 |
Correct |
35 ms |
356 KB |
Output is correct |
36 |
Correct |
39 ms |
344 KB |
Output is correct |
37 |
Correct |
31 ms |
392 KB |
Output is correct |
38 |
Correct |
33 ms |
412 KB |
Output is correct |
39 |
Correct |
38 ms |
584 KB |
Output is correct |
40 |
Correct |
39 ms |
340 KB |
Output is correct |
41 |
Correct |
37 ms |
344 KB |
Output is correct |
42 |
Correct |
37 ms |
344 KB |
Output is correct |
43 |
Correct |
26 ms |
452 KB |
Output is correct |
44 |
Correct |
31 ms |
448 KB |
Output is correct |
45 |
Correct |
37 ms |
416 KB |
Output is correct |
46 |
Correct |
30 ms |
344 KB |
Output is correct |
47 |
Correct |
21 ms |
444 KB |
Output is correct |
48 |
Correct |
28 ms |
564 KB |
Output is correct |
49 |
Correct |
26 ms |
392 KB |
Output is correct |
50 |
Correct |
30 ms |
408 KB |
Output is correct |
51 |
Correct |
35 ms |
468 KB |
Output is correct |
52 |
Correct |
38 ms |
476 KB |
Output is correct |
53 |
Correct |
37 ms |
356 KB |
Output is correct |
54 |
Correct |
28 ms |
340 KB |
Output is correct |
55 |
Correct |
17 ms |
340 KB |
Output is correct |
56 |
Correct |
30 ms |
552 KB |
Output is correct |
57 |
Correct |
33 ms |
376 KB |
Output is correct |
58 |
Correct |
39 ms |
372 KB |
Output is correct |
59 |
Correct |
28 ms |
348 KB |
Output is correct |
60 |
Correct |
27 ms |
396 KB |
Output is correct |
61 |
Correct |
25 ms |
436 KB |
Output is correct |
62 |
Correct |
37 ms |
340 KB |
Output is correct |
63 |
Correct |
26 ms |
344 KB |
Output is correct |
64 |
Correct |
23 ms |
388 KB |
Output is correct |
65 |
Correct |
32 ms |
364 KB |
Output is correct |
66 |
Correct |
28 ms |
528 KB |
Output is correct |
67 |
Correct |
37 ms |
344 KB |
Output is correct |
68 |
Correct |
34 ms |
416 KB |
Output is correct |
69 |
Correct |
26 ms |
356 KB |
Output is correct |
70 |
Correct |
38 ms |
436 KB |
Output is correct |
71 |
Correct |
33 ms |
344 KB |
Output is correct |
72 |
Correct |
27 ms |
580 KB |
Output is correct |
73 |
Correct |
28 ms |
396 KB |
Output is correct |
74 |
Correct |
27 ms |
424 KB |
Output is correct |
75 |
Correct |
35 ms |
344 KB |
Output is correct |
76 |
Correct |
30 ms |
352 KB |
Output is correct |
77 |
Correct |
35 ms |
444 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 |
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 |
1 ms |
288 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 |
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 |
200 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 |
1 ms |
200 KB |
Output is correct |
123 |
Correct |
1 ms |
200 KB |
Output is correct |