oj.uz

Submission #132013

# Submission time Handle Problem Language Result Execution time Memory
132013 2019-07-18T07:50:44 Z dvdg6566 Combo (IOI18_combo) C++14
100 / 100
 110 ms 552 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];
  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 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 2 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 2 ms 200 KB Output is correct
11 Correct 1 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 1 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 1 ms 220 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 232 KB Output is correct
26 Correct 1 ms 232 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 200 KB Output is correct
30 Correct 1 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 220 KB Output is correct
35 Correct 1 ms 220 KB Output is correct
36 Correct 1 ms 200 KB Output is correct

Subtask #2
95.0 / 95.0

# 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 220 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 1 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 100 ms 552 KB Output is correct
18 Correct 104 ms 440 KB Output is correct
19 Correct 101 ms 340 KB Output is correct
20 Correct 110 ms 396 KB Output is correct
21 Correct 96 ms 332 KB Output is correct
22 Correct 1 ms 248 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 2 ms 292 KB Output is correct
25 Correct 3 ms 200 KB Output is correct
26 Correct 3 ms 200 KB Output is correct
27 Correct 3 ms 200 KB Output is correct
28 Correct 5 ms 288 KB Output is correct
29 Correct 3 ms 304 KB Output is correct
30 Correct 4 ms 252 KB Output is correct
31 Correct 5 ms 200 KB Output is correct
32 Correct 103 ms 376 KB Output is correct
33 Correct 92 ms 336 KB Output is correct
34 Correct 105 ms 392 KB Output is correct
35 Correct 98 ms 432 KB Output is correct
36 Correct 98 ms 448 KB Output is correct
37 Correct 102 ms 336 KB Output is correct
38 Correct 101 ms 332 KB Output is correct
39 Correct 100 ms 380 KB Output is correct
40 Correct 94 ms 496 KB Output is correct
41 Correct 98 ms 328 KB Output is correct
42 Correct 103 ms 456 KB Output is correct
43 Correct 103 ms 436 KB Output is correct
44 Correct 104 ms 520 KB Output is correct
45 Correct 100 ms 452 KB Output is correct
46 Correct 88 ms 448 KB Output is correct
47 Correct 97 ms 544 KB Output is correct
48 Correct 98 ms 540 KB Output is correct
49 Correct 87 ms 412 KB Output is correct
50 Correct 90 ms 440 KB Output is correct
51 Correct 96 ms 408 KB Output is correct
52 Correct 100 ms 404 KB Output is correct
53 Correct 100 ms 332 KB Output is correct
54 Correct 93 ms 428 KB Output is correct
55 Correct 90 ms 436 KB Output is correct
56 Correct 94 ms 368 KB Output is correct
57 Correct 90 ms 332 KB Output is correct
58 Correct 93 ms 328 KB Output is correct
59 Correct 91 ms 436 KB Output is correct
60 Correct 83 ms 332 KB Output is correct
61 Correct 87 ms 448 KB Output is correct
62 Correct 90 ms 444 KB Output is correct
63 Correct 97 ms 328 KB Output is correct
64 Correct 88 ms 448 KB Output is correct
65 Correct 90 ms 424 KB Output is correct
66 Correct 101 ms 476 KB Output is correct
67 Correct 91 ms 408 KB Output is correct
68 Correct 101 ms 420 KB Output is correct
69 Correct 104 ms 380 KB Output is correct
70 Correct 101 ms 328 KB Output is correct
71 Correct 99 ms 332 KB Output is correct
72 Correct 102 ms 444 KB Output is correct
73 Correct 96 ms 460 KB Output is correct
74 Correct 101 ms 332 KB Output is correct
75 Correct 108 ms 428 KB Output is correct
76 Correct 110 ms 332 KB Output is correct
77 Correct 95 ms 436 KB Output is correct
78 Correct 2 ms 200 KB Output is correct
79 Correct 2 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 2 ms 200 KB Output is correct
83 Correct 2 ms 200 KB Output is correct
84 Correct 2 ms 200 KB Output is correct
85 Correct 1 ms 200 KB Output is correct
86 Correct 2 ms 200 KB Output is correct
87 Correct 3 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 2 ms 200 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 Correct 3 ms 200 KB Output is correct
98 Correct 2 ms 200 KB Output is correct
99 Correct 2 ms 200 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 2 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 2 ms 200 KB Output is correct
109 Correct 3 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 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 2 ms 200 KB Output is correct
117 Correct 2 ms 200 KB Output is correct
118 Correct 2 ms 200 KB Output is correct
119 Correct 2 ms 200 KB Output is correct
120 Correct 2 ms 200 KB Output is correct
121 Correct 1 ms 200 KB Output is correct
122 Correct 1 ms 200 KB Output is correct
123 Correct 1 ms 200 KB Output is correct