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Submission #864038

# Submission time Handle Problem Language Result Execution time Memory
864038 2023-10-21T18:16:10 Z dpsaveslives Combo (IOI18_combo) C++17
100 / 100
 12 ms 1732 KB 
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
 
string guess_sequence(int N){
    vector<int> mp = {'A','B','X','Y'};
    string s = ""; int p;
    int r = press("AB");
    if(r == 0){
        r = press("X");
        if(r == 0){
            s += "Y";
            p = 3;
        }
        else{
            s += "X";
            p = 2;
        }
    }
    else if(r == 1){
        r = press("A");
        if(r == 0){
            s += "B";
            p = 1;
        }
        else{
            s += "A";
            p = 0;
        }
    }
    else{
        p = 0;
        s += "A";
    }
    if(N == 1) return s; 
    for(int i = 1;i<=N-2;++i){
        string cur = "";
        for(int j = 0;j<4;++j){
            if(j != p){
                cur += s; cur += mp[(p+1)%4];
                cur += mp[j];
            }
        }
        cur += s; cur += mp[(p+2)%4];
        int r = press(cur);
        if(r == i){
            s += mp[(p+3)%4];
        }
        else if(r == i+1){
            s += mp[(p+2)%4];
        }
        else{
            s += mp[(p+1)%4];
        }
    }
    string cur = ""; cur += s; cur += mp[(p+1)%4];
    r = press(cur);
    if(r == N) return cur;
    string newcur = ""; newcur += s; newcur += mp[(p+2)%4];
    r = press(newcur);
    if(r == N) return newcur;
    s += mp[(p+3)%4];
    return s;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 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 340 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 344 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 344 KB Output is correct
29 Correct 0 ms 344 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 1 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 10 ms 1204 KB Output is correct
18 Correct 10 ms 1388 KB Output is correct
19 Correct 9 ms 968 KB Output is correct
20 Correct 10 ms 1360 KB Output is correct
21 Correct 9 ms 1292 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 436 KB Output is correct
24 Correct 0 ms 432 KB Output is correct
25 Correct 1 ms 448 KB Output is correct
26 Correct 1 ms 444 KB Output is correct
27 Correct 1 ms 440 KB Output is correct
28 Correct 1 ms 444 KB Output is correct
29 Correct 1 ms 608 KB Output is correct
30 Correct 1 ms 692 KB Output is correct
31 Correct 1 ms 440 KB Output is correct
32 Correct 10 ms 1352 KB Output is correct
33 Correct 12 ms 1732 KB Output is correct
34 Correct 9 ms 796 KB Output is correct
35 Correct 10 ms 1356 KB Output is correct
36 Correct 10 ms 1096 KB Output is correct
37 Correct 10 ms 1364 KB Output is correct
38 Correct 11 ms 1468 KB Output is correct
39 Correct 9 ms 1568 KB Output is correct
40 Correct 10 ms 828 KB Output is correct
41 Correct 10 ms 748 KB Output is correct
42 Correct 9 ms 1428 KB Output is correct
43 Correct 10 ms 956 KB Output is correct
44 Correct 10 ms 1220 KB Output is correct
45 Correct 10 ms 1468 KB Output is correct
46 Correct 10 ms 1212 KB Output is correct
47 Correct 10 ms 1388 KB Output is correct
48 Correct 10 ms 1304 KB Output is correct
49 Correct 10 ms 964 KB Output is correct
50 Correct 10 ms 1216 KB Output is correct
51 Correct 10 ms 1560 KB Output is correct
52 Correct 10 ms 1112 KB Output is correct
53 Correct 10 ms 1576 KB Output is correct
54 Correct 10 ms 1408 KB Output is correct
55 Correct 9 ms 824 KB Output is correct
56 Correct 10 ms 1392 KB Output is correct
57 Correct 10 ms 992 KB Output is correct
58 Correct 10 ms 960 KB Output is correct
59 Correct 11 ms 988 KB Output is correct
60 Correct 9 ms 1236 KB Output is correct
61 Correct 10 ms 1500 KB Output is correct
62 Correct 10 ms 980 KB Output is correct
63 Correct 9 ms 1076 KB Output is correct
64 Correct 10 ms 1416 KB Output is correct
65 Correct 9 ms 1068 KB Output is correct
66 Correct 9 ms 1172 KB Output is correct
67 Correct 9 ms 1052 KB Output is correct
68 Correct 10 ms 1060 KB Output is correct
69 Correct 10 ms 912 KB Output is correct
70 Correct 9 ms 1444 KB Output is correct
71 Correct 9 ms 1328 KB Output is correct
72 Correct 9 ms 972 KB Output is correct
73 Correct 10 ms 1320 KB Output is correct
74 Correct 10 ms 980 KB Output is correct
75 Correct 9 ms 1464 KB Output is correct
76 Correct 10 ms 988 KB Output is correct
77 Correct 10 ms 1516 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 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 0 ms 432 KB Output is correct
86 Correct 0 ms 436 KB Output is correct
87 Correct 0 ms 436 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 1 ms 436 KB Output is correct
96 Correct 1 ms 436 KB Output is correct
97 Correct 0 ms 440 KB Output is correct
98 Correct 0 ms 436 KB Output is correct
99 Correct 1 ms 692 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 0 ms 436 KB Output is correct
104 Correct 0 ms 444 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 1 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 0 ms 344 KB Output is correct
119 Correct 0 ms 440 KB Output is correct
120 Correct 0 ms 432 KB Output is correct
121 Correct 1 ms 436 KB Output is correct
122 Correct 0 ms 436 KB Output is correct
123 Correct 0 ms 432 KB Output is correct