oj.uz

Submission #897372

# Submission time Handle Problem Language Result Execution time Memory
897372 2024-01-03T02:29:48 Z honanhphong Combo (IOI18_combo) C++14
100 / 100
 12 ms 1912 KB 
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
using namespace std;
using lli = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 1e6 + 1000;
const int mod = 1e9 + 7;
int press(string p);



string guess_sequence(int N)
{
    string s = "";
    char cs[maxn];
    if(press("AB")){
        if(press("A"))
        s = "A";
        else s = "B";
    }
    else{
        if(press("X"))
        s = "X";
        else s = "Y";
    }
    if (s == "A")
    {
        cs[0] = 'B'; cs[1] = 'X'; cs[2] = 'Y';
    } else if (s == "B")
    {
        cs[0] = 'A'; cs[1] = 'X'; cs[2] = 'Y';
    } else if (s == "X")
    {
        cs[0] = 'A'; cs[1] = 'B'; cs[2] = 'Y';
    } else
    {
        cs[0] = 'A'; cs[1] = 'B'; cs[2] = 'X';
    }
    for (lli i = 0; i < N - 2; i ++)
    {
        lli guess = press(s + cs[0] + cs[0] + s + cs[0] + cs[1] + s + cs[0] + cs[2] + s + cs[1]);
        if (guess == s.size() + 2) s += cs[0];
        else if (guess == s.size() + 1) s += cs[1];
        else s += cs[2];
    }
    if (N <= 1) return s;
    if (press(s + cs[0]) == N) return s + cs[0];
    else if (press(s + cs[1]) == N) return s + cs[1];
    else return s + cs[2];
}

Compilation message

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:47:19: warning: comparison of integer expressions of different signedness: 'lli' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         if (guess == s.size() + 2) s += cs[0];
      |             ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:48:24: warning: comparison of integer expressions of different signedness: 'lli' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         else if (guess == s.size() + 1) s += cs[1];
      |                  ~~~~~~^~~~~~~~~~~~~~~

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 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 340 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 496 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 596 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 596 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 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 1 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 1 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 540 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 1444 KB Output is correct
18 Correct 10 ms 1144 KB Output is correct
19 Correct 9 ms 1604 KB Output is correct
20 Correct 10 ms 1140 KB Output is correct
21 Correct 10 ms 1560 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 440 KB Output is correct
24 Correct 1 ms 440 KB Output is correct
25 Correct 1 ms 444 KB Output is correct
26 Correct 1 ms 444 KB Output is correct
27 Correct 1 ms 444 KB Output is correct
28 Correct 1 ms 692 KB Output is correct
29 Correct 1 ms 452 KB Output is correct
30 Correct 1 ms 696 KB Output is correct
31 Correct 1 ms 444 KB Output is correct
32 Correct 10 ms 1248 KB Output is correct
33 Correct 10 ms 1172 KB Output is correct
34 Correct 9 ms 1228 KB Output is correct
35 Correct 9 ms 1180 KB Output is correct
36 Correct 10 ms 1296 KB Output is correct
37 Correct 9 ms 1532 KB Output is correct
38 Correct 9 ms 772 KB Output is correct
39 Correct 10 ms 984 KB Output is correct
40 Correct 10 ms 1452 KB Output is correct
41 Correct 10 ms 1212 KB Output is correct
42 Correct 10 ms 1588 KB Output is correct
43 Correct 10 ms 1548 KB Output is correct
44 Correct 10 ms 1292 KB Output is correct
45 Correct 9 ms 1428 KB Output is correct
46 Correct 9 ms 1720 KB Output is correct
47 Correct 10 ms 1392 KB Output is correct
48 Correct 11 ms 1120 KB Output is correct
49 Correct 10 ms 1220 KB Output is correct
50 Correct 9 ms 532 KB Output is correct
51 Correct 10 ms 1212 KB Output is correct
52 Correct 10 ms 1632 KB Output is correct
53 Correct 9 ms 1092 KB Output is correct
54 Correct 9 ms 1204 KB Output is correct
55 Correct 10 ms 1348 KB Output is correct
56 Correct 9 ms 1616 KB Output is correct
57 Correct 10 ms 1228 KB Output is correct
58 Correct 10 ms 1572 KB Output is correct
59 Correct 10 ms 1736 KB Output is correct
60 Correct 10 ms 1400 KB Output is correct
61 Correct 9 ms 1400 KB Output is correct
62 Correct 10 ms 1452 KB Output is correct
63 Correct 9 ms 1228 KB Output is correct
64 Correct 9 ms 1564 KB Output is correct
65 Correct 10 ms 1452 KB Output is correct
66 Correct 10 ms 1508 KB Output is correct
67 Correct 10 ms 1912 KB Output is correct
68 Correct 9 ms 1220 KB Output is correct
69 Correct 10 ms 1524 KB Output is correct
70 Correct 10 ms 1352 KB Output is correct
71 Correct 9 ms 1644 KB Output is correct
72 Correct 10 ms 1300 KB Output is correct
73 Correct 11 ms 1724 KB Output is correct
74 Correct 10 ms 1224 KB Output is correct
75 Correct 10 ms 1784 KB Output is correct
76 Correct 9 ms 728 KB Output is correct
77 Correct 10 ms 1648 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 340 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 1 ms 344 KB Output is correct
85 Correct 0 ms 436 KB Output is correct
86 Correct 0 ms 440 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 1 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 436 KB Output is correct
95 Correct 1 ms 440 KB Output is correct
96 Correct 0 ms 440 KB Output is correct
97 Correct 0 ms 436 KB Output is correct
98 Correct 0 ms 444 KB Output is correct
99 Correct 1 ms 436 KB Output is correct
100 Correct 0 ms 436 KB Output is correct
101 Correct 1 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 440 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 436 KB Output is correct
119 Correct 0 ms 440 KB Output is correct
120 Correct 0 ms 440 KB Output is correct
121 Correct 0 ms 436 KB Output is correct
122 Correct 1 ms 440 KB Output is correct
123 Correct 0 ms 440 KB Output is correct