| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 115940 |
2019-06-10T02:15:00 Z |
user202729 |
Combo (IOI18_combo) |
C++17 |
|
41 ms |
660 KB |
#include "combo.h"
#include<string>
#include<array>
std::string guess_sequence(int N) {
std::string pre; // constructed prefix so far
{
std::string an(N,'A');
std::string bn(N,'B');
if(press(an+bn)>0){
if(press(an)>0)
pre="A";
else
pre="B";
}else{
std::string xn(N,'X');
if(press(xn)>0)
pre="X";
else
pre="Y";
}
}
if(N==1)return pre;
char a,b,c; // the 3 nonfirst chars
{
std::array<char,4> nonfirst_chars{{'A','B','X','Y'}};
auto iter=nonfirst_chars.begin();
while(pre[0]!=*iter)
++iter;
std::swap(*iter,nonfirst_chars[0]);
a=nonfirst_chars[1];
b=nonfirst_chars[2];
c=nonfirst_chars[3];
}
while((int)pre.size()<N-1){
switch(press(pre+a+a+pre+a+b+pre+a+c+pre+b)-pre.size()){
case 0:pre+=c;break;
case 1:pre+=b;break;
case 2:pre+=a;break;
default:__builtin_trap();
}
}
std::string tmp=pre+a;
if(press(tmp)==N)return tmp;
tmp=pre+b;
if(press(tmp)==N)return tmp;
return pre+c;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 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 |
0 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 |
0 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 |
0 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 |
0 ms |
200 KB |
Output is correct |
| 17 |
Correct |
0 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 |
0 ms |
200 KB |
Output is correct |
| 21 |
Correct |
0 ms |
200 KB |
Output is correct |
| 22 |
Correct |
0 ms |
200 KB |
Output is correct |
| 23 |
Correct |
0 ms |
200 KB |
Output is correct |
| 24 |
Correct |
0 ms |
200 KB |
Output is correct |
| 25 |
Correct |
0 ms |
200 KB |
Output is correct |
| 26 |
Correct |
0 ms |
200 KB |
Output is correct |
| 27 |
Correct |
0 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 |
1 ms |
200 KB |
Output is correct |
| 34 |
Correct |
0 ms |
200 KB |
Output is correct |
| 35 |
Correct |
0 ms |
200 KB |
Output is correct |
| 36 |
Correct |
0 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 |
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 |
0 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 |
0 ms |
200 KB |
Output is correct |
| 12 |
Correct |
0 ms |
200 KB |
Output is correct |
| 13 |
Correct |
1 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 |
31 ms |
452 KB |
Output is correct |
| 18 |
Correct |
37 ms |
416 KB |
Output is correct |
| 19 |
Correct |
27 ms |
636 KB |
Output is correct |
| 20 |
Correct |
25 ms |
328 KB |
Output is correct |
| 21 |
Correct |
35 ms |
416 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 |
256 KB |
Output is correct |
| 25 |
Correct |
1 ms |
200 KB |
Output is correct |
| 26 |
Correct |
2 ms |
200 KB |
Output is correct |
| 27 |
Correct |
3 ms |
276 KB |
Output is correct |
| 28 |
Correct |
2 ms |
200 KB |
Output is correct |
| 29 |
Correct |
3 ms |
200 KB |
Output is correct |
| 30 |
Correct |
2 ms |
200 KB |
Output is correct |
| 31 |
Correct |
2 ms |
200 KB |
Output is correct |
| 32 |
Correct |
33 ms |
356 KB |
Output is correct |
| 33 |
Correct |
30 ms |
348 KB |
Output is correct |
| 34 |
Correct |
27 ms |
328 KB |
Output is correct |
| 35 |
Correct |
37 ms |
332 KB |
Output is correct |
| 36 |
Correct |
25 ms |
332 KB |
Output is correct |
| 37 |
Correct |
29 ms |
332 KB |
Output is correct |
| 38 |
Correct |
37 ms |
348 KB |
Output is correct |
| 39 |
Correct |
33 ms |
528 KB |
Output is correct |
| 40 |
Correct |
39 ms |
484 KB |
Output is correct |
| 41 |
Correct |
41 ms |
328 KB |
Output is correct |
| 42 |
Correct |
18 ms |
464 KB |
Output is correct |
| 43 |
Correct |
28 ms |
460 KB |
Output is correct |
| 44 |
Correct |
30 ms |
424 KB |
Output is correct |
| 45 |
Correct |
40 ms |
512 KB |
Output is correct |
| 46 |
Correct |
28 ms |
448 KB |
Output is correct |
| 47 |
Correct |
32 ms |
332 KB |
Output is correct |
| 48 |
Correct |
38 ms |
368 KB |
Output is correct |
| 49 |
Correct |
37 ms |
332 KB |
Output is correct |
| 50 |
Correct |
36 ms |
332 KB |
Output is correct |
| 51 |
Correct |
41 ms |
660 KB |
Output is correct |
| 52 |
Correct |
40 ms |
412 KB |
Output is correct |
| 53 |
Correct |
39 ms |
332 KB |
Output is correct |
| 54 |
Correct |
16 ms |
436 KB |
Output is correct |
| 55 |
Correct |
30 ms |
372 KB |
Output is correct |
| 56 |
Correct |
35 ms |
352 KB |
Output is correct |
| 57 |
Correct |
31 ms |
332 KB |
Output is correct |
| 58 |
Correct |
31 ms |
336 KB |
Output is correct |
| 59 |
Correct |
39 ms |
520 KB |
Output is correct |
| 60 |
Correct |
32 ms |
392 KB |
Output is correct |
| 61 |
Correct |
39 ms |
332 KB |
Output is correct |
| 62 |
Correct |
35 ms |
440 KB |
Output is correct |
| 63 |
Correct |
31 ms |
432 KB |
Output is correct |
| 64 |
Correct |
34 ms |
440 KB |
Output is correct |
| 65 |
Correct |
39 ms |
448 KB |
Output is correct |
| 66 |
Correct |
32 ms |
352 KB |
Output is correct |
| 67 |
Correct |
27 ms |
344 KB |
Output is correct |
| 68 |
Correct |
33 ms |
420 KB |
Output is correct |
| 69 |
Correct |
26 ms |
328 KB |
Output is correct |
| 70 |
Correct |
15 ms |
332 KB |
Output is correct |
| 71 |
Correct |
27 ms |
328 KB |
Output is correct |
| 72 |
Correct |
29 ms |
552 KB |
Output is correct |
| 73 |
Correct |
32 ms |
368 KB |
Output is correct |
| 74 |
Correct |
39 ms |
328 KB |
Output is correct |
| 75 |
Correct |
25 ms |
416 KB |
Output is correct |
| 76 |
Correct |
34 ms |
420 KB |
Output is correct |
| 77 |
Correct |
38 ms |
328 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 |
284 KB |
Output is correct |
| 95 |
Correct |
1 ms |
200 KB |
Output is correct |
| 96 |
Correct |
1 ms |
280 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 |
0 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 |
276 KB |
Output is correct |
| 122 |
Correct |
1 ms |
276 KB |
Output is correct |
| 123 |
Correct |
1 ms |
280 KB |
Output is correct |
