# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
196890 |
2020-01-17T13:23:51 Z |
Juney |
Combo (IOI18_combo) |
C++14 |
|
47 ms |
612 KB |
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
char find_first() {
int ret = press("AB");
if(ret == 0) {
if(press("X") == 1) return 'X';
return 'Y';
}
if(press("A") == 1) return 'A';
return 'B';
}
string guess_sequence(int N) {
string ans;
char A = 'A', B = 'B', X = 'X', Y = 'Y';
char f = find_first();
if(f == B) swap(A, B);
else if(f == X) swap(A, X);
else if(f == Y) swap(A, Y);
ans += f;
if(N == 1) return ans;
for(int i=1; i<N-1; i++) {
string tmp = ans + X + ans + Y + B + ans + Y + X + ans + Y + Y;
int cnt = press(tmp);
if(cnt == ans.size()) ans += B;
else if(cnt == ans.size() + 1) ans += X;
else ans += Y;
}
int cnt = press(ans + X + ans + Y);
if(cnt == N) {
if(press(ans + X) == N) return ans + X;
return ans + Y;
}
return ans + B;
}
Compilation message
combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:27:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
27 | if(cnt == ans.size()) ans += B;
| ~~~~^~~~~~~~~~~~~
combo.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | else if(cnt == ans.size() + 1) ans += X;
| ~~~~^~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 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 |
2 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 |
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 |
1 ms |
200 KB |
Output is correct |
19 |
Correct |
2 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 |
2 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 |
2 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 |
2 ms |
200 KB |
Output is correct |
35 |
Correct |
2 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 |
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 |
2 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 |
2 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 |
41 ms |
344 KB |
Output is correct |
18 |
Correct |
40 ms |
348 KB |
Output is correct |
19 |
Correct |
31 ms |
340 KB |
Output is correct |
20 |
Correct |
31 ms |
412 KB |
Output is correct |
21 |
Correct |
42 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
200 KB |
Output is correct |
23 |
Correct |
3 ms |
200 KB |
Output is correct |
24 |
Correct |
4 ms |
296 KB |
Output is correct |
25 |
Correct |
4 ms |
200 KB |
Output is correct |
26 |
Correct |
4 ms |
300 KB |
Output is correct |
27 |
Correct |
3 ms |
200 KB |
Output is correct |
28 |
Correct |
4 ms |
200 KB |
Output is correct |
29 |
Correct |
3 ms |
200 KB |
Output is correct |
30 |
Correct |
5 ms |
292 KB |
Output is correct |
31 |
Correct |
5 ms |
292 KB |
Output is correct |
32 |
Correct |
32 ms |
412 KB |
Output is correct |
33 |
Correct |
46 ms |
436 KB |
Output is correct |
34 |
Correct |
41 ms |
464 KB |
Output is correct |
35 |
Correct |
44 ms |
424 KB |
Output is correct |
36 |
Correct |
33 ms |
448 KB |
Output is correct |
37 |
Correct |
39 ms |
456 KB |
Output is correct |
38 |
Correct |
35 ms |
360 KB |
Output is correct |
39 |
Correct |
36 ms |
380 KB |
Output is correct |
40 |
Correct |
39 ms |
480 KB |
Output is correct |
41 |
Correct |
35 ms |
392 KB |
Output is correct |
42 |
Correct |
35 ms |
376 KB |
Output is correct |
43 |
Correct |
38 ms |
344 KB |
Output is correct |
44 |
Correct |
19 ms |
348 KB |
Output is correct |
45 |
Correct |
32 ms |
356 KB |
Output is correct |
46 |
Correct |
41 ms |
464 KB |
Output is correct |
47 |
Correct |
42 ms |
452 KB |
Output is correct |
48 |
Correct |
32 ms |
460 KB |
Output is correct |
49 |
Correct |
29 ms |
344 KB |
Output is correct |
50 |
Correct |
42 ms |
528 KB |
Output is correct |
51 |
Correct |
35 ms |
404 KB |
Output is correct |
52 |
Correct |
21 ms |
436 KB |
Output is correct |
53 |
Correct |
38 ms |
452 KB |
Output is correct |
54 |
Correct |
46 ms |
380 KB |
Output is correct |
55 |
Correct |
30 ms |
404 KB |
Output is correct |
56 |
Correct |
46 ms |
344 KB |
Output is correct |
57 |
Correct |
34 ms |
516 KB |
Output is correct |
58 |
Correct |
41 ms |
344 KB |
Output is correct |
59 |
Correct |
43 ms |
400 KB |
Output is correct |
60 |
Correct |
39 ms |
456 KB |
Output is correct |
61 |
Correct |
47 ms |
432 KB |
Output is correct |
62 |
Correct |
43 ms |
348 KB |
Output is correct |
63 |
Correct |
35 ms |
468 KB |
Output is correct |
64 |
Correct |
26 ms |
348 KB |
Output is correct |
65 |
Correct |
33 ms |
504 KB |
Output is correct |
66 |
Correct |
41 ms |
516 KB |
Output is correct |
67 |
Correct |
38 ms |
380 KB |
Output is correct |
68 |
Correct |
28 ms |
516 KB |
Output is correct |
69 |
Correct |
33 ms |
360 KB |
Output is correct |
70 |
Correct |
35 ms |
348 KB |
Output is correct |
71 |
Correct |
30 ms |
344 KB |
Output is correct |
72 |
Correct |
32 ms |
472 KB |
Output is correct |
73 |
Correct |
37 ms |
460 KB |
Output is correct |
74 |
Correct |
38 ms |
612 KB |
Output is correct |
75 |
Correct |
32 ms |
460 KB |
Output is correct |
76 |
Correct |
39 ms |
424 KB |
Output is correct |
77 |
Correct |
31 ms |
416 KB |
Output is correct |
78 |
Correct |
1 ms |
200 KB |
Output is correct |
79 |
Correct |
3 ms |
200 KB |
Output is correct |
80 |
Correct |
2 ms |
200 KB |
Output is correct |
81 |
Correct |
1 ms |
200 KB |
Output is correct |
82 |
Correct |
2 ms |
200 KB |
Output is correct |
83 |
Correct |
1 ms |
200 KB |
Output is correct |
84 |
Correct |
3 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 |
200 KB |
Output is correct |
88 |
Correct |
1 ms |
236 KB |
Output is correct |
89 |
Correct |
1 ms |
200 KB |
Output is correct |
90 |
Correct |
2 ms |
200 KB |
Output is correct |
91 |
Correct |
2 ms |
352 KB |
Output is correct |
92 |
Correct |
2 ms |
200 KB |
Output is correct |
93 |
Correct |
2 ms |
200 KB |
Output is correct |
94 |
Correct |
1 ms |
292 KB |
Output is correct |
95 |
Correct |
1 ms |
296 KB |
Output is correct |
96 |
Correct |
2 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 |
292 KB |
Output is correct |
100 |
Correct |
2 ms |
200 KB |
Output is correct |
101 |
Correct |
2 ms |
200 KB |
Output is correct |
102 |
Correct |
2 ms |
200 KB |
Output is correct |
103 |
Correct |
1 ms |
316 KB |
Output is correct |
104 |
Correct |
2 ms |
200 KB |
Output is correct |
105 |
Correct |
2 ms |
292 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 |
2 ms |
200 KB |
Output is correct |
114 |
Correct |
3 ms |
200 KB |
Output is correct |
115 |
Correct |
1 ms |
200 KB |
Output is correct |
116 |
Correct |
2 ms |
200 KB |
Output is correct |
117 |
Correct |
1 ms |
200 KB |
Output is correct |
118 |
Correct |
2 ms |
288 KB |
Output is correct |
119 |
Correct |
2 ms |
200 KB |
Output is correct |
120 |
Correct |
1 ms |
200 KB |
Output is correct |
121 |
Correct |
2 ms |
200 KB |
Output is correct |
122 |
Correct |
2 ms |
200 KB |
Output is correct |
123 |
Correct |
2 ms |
200 KB |
Output is correct |