oj.uz

Submission #939817

# Submission time Handle Problem Language Result Execution time Memory
939817 2024-03-06T19:26:19 Z snpmrnhlol Combo (IOI18_combo) C++17
100 / 100
 29 ms 1864 KB 
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
char v[4] = {'A','X','Y','B'};
string guess_sequence(int n){
    string s = "";
    string ans = "";
    for(int i = 0;i < 2*n;i++)s+="A";
    for(int i = 0;i < 2*n;i++)s+="X";
    int a = press(s);
    s.clear();
    for(int i = 0;i < 2*n;i++)s+="A";
    for(int i = 0;i < 2*n;i++)s+="Y";
    int b = press(s);
    if(a && b)ans+="A";
    if(!a && b)ans+="Y";
    if(a && !b)ans+="X";
    if(!a && !b)ans+="B";
    if(n == 1)return ans;
    char c1,c2,c3;
    for(int i = 0;i < 4;i++){
        if(v[i] != ans[0]){
            c1 = c2;
            c2 = c3;
            c3 = v[i];
        }
    }
    for(int i = 0;i < n - 2;i++){
        string g = "";
        g+=ans;g+=c2;
        g+=ans;g+=c3;g+=c1;
        g+=ans;g+=c3;g+=c2;
        g+=ans;g+=c3;g+=c3;
        while(g.size() < 4*n)g+='A';
        int nr = press(g);
        if(nr == i + 1){
            ans+=c1;
        }else if(nr == i + 2){
            ans+=c2;
        }else{
            ans+=c3;
        }
    }
    string g = "";
    g+=ans;g+=c1;
    while(g.size() < 4*n)g+='A';
    if(press(g) == n)ans+=c1;
    else{
        string g = "";
        g+=ans;g+=c2;
        while(g.size() < 4*n)g+='A';
        if(press(g) == n)ans+=c2;
        else ans+=c3;
    }
    return ans;
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:34:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |         while(g.size() < 4*n)g+='A';
      |               ~~~~~~~~~^~~~~
combo.cpp:46:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |     while(g.size() < 4*n)g+='A';
      |           ~~~~~~~~~^~~~~
combo.cpp:51:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   51 |         while(g.size() < 4*n)g+='A';
      |               ~~~~~~~~~^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 340 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 600 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 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 1 ms 344 KB Output is correct
21 Correct 0 ms 344 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 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 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 0 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 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 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 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 0 ms 344 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 27 ms 1364 KB Output is correct
18 Correct 25 ms 1120 KB Output is correct
19 Correct 27 ms 1484 KB Output is correct
20 Correct 25 ms 1676 KB Output is correct
21 Correct 26 ms 1204 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 436 KB Output is correct
24 Correct 1 ms 436 KB Output is correct
25 Correct 1 ms 432 KB Output is correct
26 Correct 1 ms 440 KB Output is correct
27 Correct 1 ms 432 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 692 KB Output is correct
31 Correct 1 ms 696 KB Output is correct
32 Correct 25 ms 1324 KB Output is correct
33 Correct 25 ms 1064 KB Output is correct
34 Correct 25 ms 980 KB Output is correct
35 Correct 25 ms 1596 KB Output is correct
36 Correct 29 ms 908 KB Output is correct
37 Correct 27 ms 1008 KB Output is correct
38 Correct 26 ms 1396 KB Output is correct
39 Correct 26 ms 1460 KB Output is correct
40 Correct 24 ms 1212 KB Output is correct
41 Correct 27 ms 1488 KB Output is correct
42 Correct 25 ms 964 KB Output is correct
43 Correct 25 ms 1276 KB Output is correct
44 Correct 28 ms 1376 KB Output is correct
45 Correct 25 ms 1228 KB Output is correct
46 Correct 28 ms 1356 KB Output is correct
47 Correct 26 ms 1356 KB Output is correct
48 Correct 24 ms 1168 KB Output is correct
49 Correct 26 ms 1452 KB Output is correct
50 Correct 26 ms 1144 KB Output is correct
51 Correct 27 ms 1864 KB Output is correct
52 Correct 25 ms 1484 KB Output is correct
53 Correct 26 ms 1700 KB Output is correct
54 Correct 25 ms 1572 KB Output is correct
55 Correct 25 ms 1188 KB Output is correct
56 Correct 24 ms 1276 KB Output is correct
57 Correct 25 ms 1776 KB Output is correct
58 Correct 25 ms 1236 KB Output is correct
59 Correct 24 ms 1516 KB Output is correct
60 Correct 26 ms 1368 KB Output is correct
61 Correct 25 ms 1252 KB Output is correct
62 Correct 26 ms 1532 KB Output is correct
63 Correct 26 ms 1216 KB Output is correct
64 Correct 25 ms 1556 KB Output is correct
65 Correct 25 ms 1408 KB Output is correct
66 Correct 25 ms 1376 KB Output is correct
67 Correct 27 ms 1284 KB Output is correct
68 Correct 26 ms 1616 KB Output is correct
69 Correct 25 ms 1380 KB Output is correct
70 Correct 25 ms 1492 KB Output is correct
71 Correct 27 ms 1412 KB Output is correct
72 Correct 26 ms 1336 KB Output is correct
73 Correct 26 ms 1408 KB Output is correct
74 Correct 25 ms 1376 KB Output is correct
75 Correct 25 ms 1344 KB Output is correct
76 Correct 25 ms 1408 KB Output is correct
77 Correct 26 ms 1484 KB Output is correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Correct 1 ms 344 KB Output is correct
81 Correct 0 ms 344 KB Output is correct
82 Correct 0 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 1 ms 432 KB Output is correct
86 Correct 1 ms 440 KB Output is correct
87 Correct 0 ms 436 KB Output is correct
88 Correct 0 ms 512 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 436 KB Output is correct
96 Correct 1 ms 432 KB Output is correct
97 Correct 1 ms 432 KB Output is correct
98 Correct 0 ms 440 KB Output is correct
99 Correct 1 ms 436 KB Output is correct
100 Correct 1 ms 692 KB Output is correct
101 Correct 1 ms 436 KB Output is correct
102 Correct 1 ms 436 KB Output is correct
103 Correct 0 ms 432 KB Output is correct
104 Correct 1 ms 440 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 344 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 1 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 1 ms 344 KB Output is correct
117 Correct 0 ms 340 KB Output is correct
118 Correct 1 ms 344 KB Output is correct
119 Correct 0 ms 432 KB Output is correct
120 Correct 0 ms 432 KB Output is correct
121 Correct 1 ms 436 KB Output is correct
122 Correct 1 ms 436 KB Output is correct
123 Correct 1 ms 440 KB Output is correct