oj.uz

Submission #875048

# Submission time Handle Problem Language Result Execution time Memory
875048 2023-11-18T15:06:09 Z amin_2008 Combo (IOI18_combo) C++17
100 / 100
 13 ms 1844 KB 
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
#define REP(i,n) for(int i=0;i<(n);++i)


const int M = 4;
const char LET[] = "ABXY";
int guess_one(const string& s) {
  int len = press(s + LET[0] + s + LET[1]);
  int idx = 2*(len < s.length()+1);
  len = press(s + LET[idx]);
  idx += (len < s.length()+1);
  return idx;
}
string guess_sequence(int N) {
  int idx[M];
  REP(i, M) { idx[i] = i; }
  string s;
  {
    int id = guess_one(s);
    s += LET[id];
    swap(idx[id], idx[M-1]);
  }
  REP(i, N-2) {
    string z;
    REP(j, M-1) {
      z += s + LET[idx[0]] + LET[idx[j]];
    }
    z += s + LET[idx[1]];
    int len = press(z);
    if (len == i+3) {
      s += LET[idx[0]];
    } else if (len == i+2) {
      s += LET[idx[1]];
    } else {
      s += LET[idx[2]];
    }
  }
  if (N > 1) {
    int id = guess_one(s);
    s += LET[id];
  }

  return s;
}

Compilation message

combo.cpp: In function 'int guess_one(const string&)':
combo.cpp:11:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |   int idx = 2*(len < s.length()+1);
      |                ~~~~^~~~~~~~~~~~~~
combo.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   idx += (len < s.length()+1);
      |           ~~~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 596 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #2
95.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 12 ms 1300 KB Output is correct
18 Correct 12 ms 1376 KB Output is correct
19 Correct 10 ms 1296 KB Output is correct
20 Correct 11 ms 1360 KB Output is correct
21 Correct 12 ms 1508 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 436 KB Output is correct
25 Correct 1 ms 440 KB Output is correct
26 Correct 1 ms 440 KB Output is correct
27 Correct 1 ms 440 KB Output is correct
28 Correct 1 ms 440 KB Output is correct
29 Correct 1 ms 440 KB Output is correct
30 Correct 1 ms 436 KB Output is correct
31 Correct 1 ms 688 KB Output is correct
32 Correct 11 ms 1208 KB Output is correct
33 Correct 13 ms 1844 KB Output is correct
34 Correct 10 ms 1000 KB Output is correct
35 Correct 13 ms 1776 KB Output is correct
36 Correct 11 ms 1148 KB Output is correct
37 Correct 11 ms 952 KB Output is correct
38 Correct 11 ms 1204 KB Output is correct
39 Correct 10 ms 1468 KB Output is correct
40 Correct 11 ms 1548 KB Output is correct
41 Correct 10 ms 1320 KB Output is correct
42 Correct 11 ms 1216 KB Output is correct
43 Correct 12 ms 1564 KB Output is correct
44 Correct 10 ms 1264 KB Output is correct
45 Correct 10 ms 968 KB Output is correct
46 Correct 11 ms 1364 KB Output is correct
47 Correct 11 ms 1480 KB Output is correct
48 Correct 12 ms 1652 KB Output is correct
49 Correct 11 ms 1692 KB Output is correct
50 Correct 10 ms 1392 KB Output is correct
51 Correct 10 ms 1088 KB Output is correct
52 Correct 12 ms 1824 KB Output is correct
53 Correct 12 ms 1216 KB Output is correct
54 Correct 11 ms 1412 KB Output is correct
55 Correct 10 ms 1108 KB Output is correct
56 Correct 12 ms 1504 KB Output is correct
57 Correct 11 ms 1204 KB Output is correct
58 Correct 11 ms 1356 KB Output is correct
59 Correct 10 ms 1248 KB Output is correct
60 Correct 11 ms 1460 KB Output is correct
61 Correct 10 ms 1356 KB Output is correct
62 Correct 12 ms 1216 KB Output is correct
63 Correct 11 ms 960 KB Output is correct
64 Correct 11 ms 1344 KB Output is correct
65 Correct 11 ms 1036 KB Output is correct
66 Correct 12 ms 1296 KB Output is correct
67 Correct 10 ms 1344 KB Output is correct
68 Correct 10 ms 1004 KB Output is correct
69 Correct 10 ms 1244 KB Output is correct
70 Correct 12 ms 944 KB Output is correct
71 Correct 11 ms 1412 KB Output is correct
72 Correct 10 ms 1780 KB Output is correct
73 Correct 11 ms 976 KB Output is correct
74 Correct 12 ms 1252 KB Output is correct
75 Correct 13 ms 1412 KB Output is correct
76 Correct 11 ms 1544 KB Output is correct
77 Correct 12 ms 972 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 0 ms 344 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 1 ms 344 KB Output is correct
83 Correct 0 ms 344 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 0 ms 436 KB Output is correct
87 Correct 0 ms 440 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 0 ms 344 KB Output is correct
90 Correct 0 ms 344 KB Output is correct
91 Correct 0 ms 344 KB Output is correct
92 Correct 0 ms 344 KB Output is correct
93 Correct 0 ms 344 KB Output is correct
94 Correct 0 ms 344 KB Output is correct
95 Correct 0 ms 344 KB Output is correct
96 Correct 1 ms 428 KB Output is correct
97 Correct 0 ms 436 KB Output is correct
98 Correct 0 ms 432 KB Output is correct
99 Correct 1 ms 432 KB Output is correct
100 Correct 1 ms 432 KB Output is correct
101 Correct 0 ms 436 KB Output is correct
102 Correct 0 ms 436 KB Output is correct
103 Correct 1 ms 688 KB Output is correct
104 Correct 0 ms 344 KB Output is correct
105 Correct 0 ms 344 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 0 ms 340 KB Output is correct
108 Correct 0 ms 344 KB Output is correct
109 Correct 0 ms 344 KB Output is correct
110 Correct 0 ms 344 KB Output is correct
111 Correct 0 ms 344 KB Output is correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 0 ms 344 KB Output is correct
114 Correct 0 ms 344 KB Output is correct
115 Correct 0 ms 344 KB Output is correct
116 Correct 0 ms 344 KB Output is correct
117 Correct 0 ms 344 KB Output is correct
118 Correct 1 ms 500 KB Output is correct
119 Correct 0 ms 344 KB Output is correct
120 Correct 1 ms 436 KB Output is correct
121 Correct 1 ms 436 KB Output is correct
122 Correct 1 ms 432 KB Output is correct
123 Correct 0 ms 440 KB Output is correct