# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
757766 |
2023-06-13T18:01:29 Z |
taher |
Combo (IOI18_combo) |
C++17 |
|
32 ms |
660 KB |
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
/*
int press(string s) {
cout << s << '\n';
cout.flush();
int val;
cin >> val;
return val;
}
*/
string Guess_first() {
if (press("AB")) {
if (press("A")) return "A";
return "B";
}
else {
if (press("X")) return "X";
return "Y";
}
}
bool Guess_last(string f) {
int n = (int)f.length();
if (press(f) == n) {
return true;
}
return false;
}
string guess_sequence(int n) {
string s = Guess_first();
string ans = s;
string c = "ABXY";
for (int i = 0 ; i < 4 ; i++) {
if (c[i] == s[0]) {
c.erase(c.begin() + i);
break;
}
}
auto Create = [&](string cur) {
cur += c[0];
cur += s;
cur += c[1];
cur += c[0];
cur += s;
cur += c[1];
cur += c[1];
cur += s;
cur += c[1];
cur += c[2];
assert((int)cur.length() <= 4 * n);
return cur;
};
for (int i = 1 ; i < n - 1 ; i += 1) {
string cur = Create(ans);
int foo = press(cur);
if (foo == i) {
ans += c[2];
}
else if (foo == i + 1) {
ans += c[0];
}
else {
ans += c[1];
}
s = ans;
}
if (n > 1) {
bool ok = false;
for (int i = 0 ; i < 2 ; i++) {
string cur = ans + c[i];
if (Guess_last(cur)) {
ok = true;
ans += c[i];
break;
}
}
if (!ok) {
ans += c[2];
}
}
return ans;
}
/*
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
string ans = guess_sequence(n);
cout << ans << '\n';
return 0;
}
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
1 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
1 ms |
208 KB |
Output is correct |
6 |
Correct |
0 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 |
0 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 |
1 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 |
1 ms |
208 KB |
Output is correct |
21 |
Correct |
0 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 |
1 ms |
208 KB |
Output is correct |
25 |
Correct |
0 ms |
208 KB |
Output is correct |
26 |
Correct |
0 ms |
208 KB |
Output is correct |
27 |
Correct |
1 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 |
1 ms |
208 KB |
Output is correct |
31 |
Correct |
0 ms |
208 KB |
Output is correct |
32 |
Correct |
0 ms |
208 KB |
Output is correct |
33 |
Correct |
0 ms |
208 KB |
Output is correct |
34 |
Correct |
0 ms |
208 KB |
Output is correct |
35 |
Correct |
1 ms |
208 KB |
Output is correct |
36 |
Correct |
0 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 |
1 ms |
208 KB |
Output is correct |
4 |
Correct |
1 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 |
1 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 |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
0 ms |
208 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
1 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 |
25 ms |
560 KB |
Output is correct |
18 |
Correct |
29 ms |
500 KB |
Output is correct |
19 |
Correct |
18 ms |
356 KB |
Output is correct |
20 |
Correct |
27 ms |
456 KB |
Output is correct |
21 |
Correct |
22 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
208 KB |
Output is correct |
23 |
Correct |
1 ms |
208 KB |
Output is correct |
24 |
Correct |
1 ms |
208 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 |
336 KB |
Output is correct |
29 |
Correct |
2 ms |
324 KB |
Output is correct |
30 |
Correct |
2 ms |
208 KB |
Output is correct |
31 |
Correct |
3 ms |
208 KB |
Output is correct |
32 |
Correct |
18 ms |
456 KB |
Output is correct |
33 |
Correct |
26 ms |
444 KB |
Output is correct |
34 |
Correct |
20 ms |
468 KB |
Output is correct |
35 |
Correct |
24 ms |
416 KB |
Output is correct |
36 |
Correct |
27 ms |
556 KB |
Output is correct |
37 |
Correct |
22 ms |
356 KB |
Output is correct |
38 |
Correct |
14 ms |
348 KB |
Output is correct |
39 |
Correct |
28 ms |
356 KB |
Output is correct |
40 |
Correct |
32 ms |
432 KB |
Output is correct |
41 |
Correct |
28 ms |
352 KB |
Output is correct |
42 |
Correct |
26 ms |
528 KB |
Output is correct |
43 |
Correct |
16 ms |
352 KB |
Output is correct |
44 |
Correct |
27 ms |
460 KB |
Output is correct |
45 |
Correct |
27 ms |
352 KB |
Output is correct |
46 |
Correct |
23 ms |
492 KB |
Output is correct |
47 |
Correct |
23 ms |
500 KB |
Output is correct |
48 |
Correct |
28 ms |
440 KB |
Output is correct |
49 |
Correct |
27 ms |
400 KB |
Output is correct |
50 |
Correct |
23 ms |
352 KB |
Output is correct |
51 |
Correct |
20 ms |
352 KB |
Output is correct |
52 |
Correct |
28 ms |
348 KB |
Output is correct |
53 |
Correct |
26 ms |
468 KB |
Output is correct |
54 |
Correct |
20 ms |
476 KB |
Output is correct |
55 |
Correct |
27 ms |
660 KB |
Output is correct |
56 |
Correct |
20 ms |
452 KB |
Output is correct |
57 |
Correct |
21 ms |
348 KB |
Output is correct |
58 |
Correct |
26 ms |
516 KB |
Output is correct |
59 |
Correct |
25 ms |
548 KB |
Output is correct |
60 |
Correct |
26 ms |
472 KB |
Output is correct |
61 |
Correct |
20 ms |
596 KB |
Output is correct |
62 |
Correct |
18 ms |
468 KB |
Output is correct |
63 |
Correct |
30 ms |
464 KB |
Output is correct |
64 |
Correct |
25 ms |
548 KB |
Output is correct |
65 |
Correct |
21 ms |
404 KB |
Output is correct |
66 |
Correct |
28 ms |
348 KB |
Output is correct |
67 |
Correct |
28 ms |
444 KB |
Output is correct |
68 |
Correct |
25 ms |
580 KB |
Output is correct |
69 |
Correct |
25 ms |
472 KB |
Output is correct |
70 |
Correct |
24 ms |
496 KB |
Output is correct |
71 |
Correct |
15 ms |
464 KB |
Output is correct |
72 |
Correct |
31 ms |
368 KB |
Output is correct |
73 |
Correct |
24 ms |
372 KB |
Output is correct |
74 |
Correct |
30 ms |
348 KB |
Output is correct |
75 |
Correct |
23 ms |
468 KB |
Output is correct |
76 |
Correct |
21 ms |
352 KB |
Output is correct |
77 |
Correct |
21 ms |
388 KB |
Output is correct |
78 |
Correct |
1 ms |
208 KB |
Output is correct |
79 |
Correct |
0 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 |
300 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 |
208 KB |
Output is correct |
96 |
Correct |
1 ms |
208 KB |
Output is correct |
97 |
Correct |
1 ms |
300 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 |
300 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 |
300 KB |
Output is correct |
119 |
Correct |
1 ms |
208 KB |
Output is correct |
120 |
Correct |
1 ms |
336 KB |
Output is correct |
121 |
Correct |
1 ms |
208 KB |
Output is correct |
122 |
Correct |
1 ms |
208 KB |
Output is correct |
123 |
Correct |
1 ms |
208 KB |
Output is correct |