oj.uz

Submission #132010

# Submission time Handle Problem Language Result Execution time Memory
132010 2019-07-18T07:41:05 Z dvdg6566 Combo (IOI18_combo) C++14
97 / 100
 113 ms 548 KB 
#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
#define pb emplace_back
#define mp make_pair
#define ALL(x) x.begin(), x.end()
#define SZ(x) (int)x.size()

char ltrs[] = {'A', 'B', 'X', 'Y'};
vector<char> res;
string q;

string guess_sequence(int N) {
  // cres<<N<<'\n';
  int a = press("AB");
  int b = press("AX");
  int x;
  if(a&&b)res.pb('A');
  if (a&&!b)res.pb('B');
  if (!a&&b)res.pb('X');
  if(!a&&!b)res.pb('Y');
  vector<char> V;
  for (int i=0;i<4;++i)if(ltrs[i] != res[0])V.pb(ltrs[i]);
  if (N==1){
    string out = "";
    for (auto i :res)out+=i;return out;
  }
  for (x=2;x<N;++x){
    q = "";
    for (auto i : res)q+=i;
    q += V[0];
    q += V[0];
    for (auto i : res)q+=i;
    q += V[0];
    q += V[1];
    for (auto i : res)q+=i;
    q += V[0];
    q += V[2];
    for (auto i : res)q+=i;
    q += V[1];
    assert(SZ(q) <= 4*N);
    for (auto i : q)assert(i=='A'||i=='B'||i=='X'||i=='Y');
    // cres<<q<<'\n';4
    int r = press(q);
    // cres<<res<<' '<<x<<'\n';
    if (r == x-1){
      res.pb(V[2]);
    }else if (r == x+1){
      res.pb(V[0]);
    }else{
      res.pb(V[1]);
    }
  }
  // assert(SZ(res) + 1 == N);
  // cout<<x<<' '<<N<<' '<<SZ(res)<<'\n';
  // assert(x<N);
  string ret = "";
  for (auto i : res)ret += i;
  ret += V[0];
  if (press(ret) == N)return ret;
  ret = "";
  for (auto i : res)ret += i;
  ret += V[1];
  if (press(ret) == N)return ret;
  ret = "";
  for (auto i : res)ret += i;
  ret += V[2];
  if (press(ret) == N)return ret;
  assert(0);
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:26:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   26 |     for (auto i :res)out+=i;return out;
      |     ^~~
combo.cpp:26:29: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   26 |     for (auto i :res)out+=i;return out;
      |                             ^~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 200 KB Output is correct
2 Correct 2 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 2 ms 200 KB Output is correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 2 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 1 ms 200 KB Output is correct
20 Correct 2 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 3 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 2 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 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

Subtask #2
92.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 200 KB Output is correct
2 Correct 2 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 2 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 Partially correct 2 ms 200 KB Output is partially correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 1 ms 200 KB Output is correct
10 Partially correct 3 ms 200 KB Output is partially correct
11 Correct 1 ms 200 KB Output is correct
12 Correct 1 ms 200 KB Output is correct
13 Partially correct 2 ms 256 KB Output is partially correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Partially correct 1 ms 200 KB Output is partially correct
17 Correct 112 ms 524 KB Output is correct
18 Correct 103 ms 332 KB Output is correct
19 Correct 87 ms 404 KB Output is correct
20 Partially correct 105 ms 448 KB Output is partially correct
21 Correct 95 ms 436 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Partially correct 2 ms 200 KB Output is partially correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 2 ms 200 KB Output is correct
26 Correct 2 ms 200 KB Output is correct
27 Correct 3 ms 200 KB Output is correct
28 Correct 3 ms 296 KB Output is correct
29 Partially correct 3 ms 296 KB Output is partially correct
30 Partially correct 5 ms 200 KB Output is partially correct
31 Correct 5 ms 308 KB Output is correct
32 Correct 102 ms 340 KB Output is correct
33 Partially correct 93 ms 436 KB Output is partially correct
34 Correct 97 ms 444 KB Output is correct
35 Correct 111 ms 424 KB Output is correct
36 Partially correct 106 ms 392 KB Output is partially correct
37 Correct 96 ms 412 KB Output is correct
38 Correct 103 ms 332 KB Output is correct
39 Correct 113 ms 348 KB Output is correct
40 Correct 92 ms 344 KB Output is correct
41 Partially correct 105 ms 376 KB Output is partially correct
42 Partially correct 102 ms 444 KB Output is partially correct
43 Correct 105 ms 408 KB Output is correct
44 Correct 96 ms 384 KB Output is correct
45 Correct 95 ms 444 KB Output is correct
46 Correct 81 ms 388 KB Output is correct
47 Partially correct 88 ms 492 KB Output is partially correct
48 Correct 99 ms 400 KB Output is correct
49 Correct 102 ms 484 KB Output is correct
50 Correct 86 ms 332 KB Output is correct
51 Correct 101 ms 332 KB Output is correct
52 Partially correct 90 ms 400 KB Output is partially correct
53 Correct 92 ms 436 KB Output is correct
54 Correct 93 ms 464 KB Output is correct
55 Correct 97 ms 456 KB Output is correct
56 Correct 98 ms 548 KB Output is correct
57 Correct 91 ms 420 KB Output is correct
58 Correct 96 ms 328 KB Output is correct
59 Correct 86 ms 448 KB Output is correct
60 Correct 93 ms 496 KB Output is correct
61 Correct 89 ms 384 KB Output is correct
62 Partially correct 80 ms 512 KB Output is partially correct
63 Partially correct 82 ms 332 KB Output is partially correct
64 Partially correct 88 ms 496 KB Output is partially correct
65 Partially correct 89 ms 408 KB Output is partially correct
66 Partially correct 95 ms 328 KB Output is partially correct
67 Correct 94 ms 452 KB Output is correct
68 Partially correct 102 ms 524 KB Output is partially correct
69 Correct 102 ms 356 KB Output is correct
70 Partially correct 98 ms 420 KB Output is partially correct
71 Partially correct 101 ms 340 KB Output is partially correct
72 Correct 109 ms 436 KB Output is correct
73 Partially correct 95 ms 432 KB Output is partially correct
74 Correct 101 ms 424 KB Output is correct
75 Correct 86 ms 444 KB Output is correct
76 Partially correct 100 ms 496 KB Output is partially correct
77 Correct 94 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 Partially correct 2 ms 200 KB Output is partially correct
81 Partially correct 1 ms 200 KB Output is partially correct
82 Partially correct 2 ms 220 KB Output is partially correct
83 Correct 2 ms 256 KB Output is correct
84 Correct 2 ms 200 KB Output is correct
85 Correct 2 ms 200 KB Output is correct
86 Partially correct 2 ms 244 KB Output is partially correct
87 Partially correct 2 ms 200 KB Output is partially correct
88 Correct 2 ms 200 KB Output is correct
89 Correct 2 ms 200 KB Output is correct
90 Correct 1 ms 200 KB Output is correct
91 Correct 1 ms 220 KB Output is correct
92 Correct 2 ms 200 KB Output is correct
93 Correct 1 ms 200 KB Output is correct
94 Correct 2 ms 200 KB Output is correct
95 Correct 3 ms 200 KB Output is correct
96 Correct 2 ms 200 KB Output is correct
97 Partially correct 2 ms 200 KB Output is partially correct
98 Partially correct 3 ms 200 KB Output is partially correct
99 Partially correct 2 ms 200 KB Output is partially correct
100 Correct 3 ms 220 KB Output is correct
101 Correct 2 ms 200 KB Output is correct
102 Correct 2 ms 200 KB Output is correct
103 Correct 2 ms 220 KB Output is correct
104 Correct 2 ms 200 KB Output is correct
105 Correct 2 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 Partially correct 1 ms 200 KB Output is partially correct
109 Partially correct 1 ms 200 KB Output is partially correct
110 Partially correct 1 ms 200 KB Output is partially correct
111 Partially correct 1 ms 200 KB Output is partially correct
112 Partially correct 1 ms 200 KB Output is partially correct
113 Correct 2 ms 200 KB Output is correct
114 Correct 1 ms 200 KB Output is correct
115 Partially correct 1 ms 200 KB Output is partially correct
116 Correct 2 ms 200 KB Output is correct
117 Partially correct 1 ms 200 KB Output is partially correct
118 Correct 2 ms 200 KB Output is correct
119 Partially correct 2 ms 200 KB Output is partially correct
120 Correct 2 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