oj.uz

Submission #1020192

# Submission time Handle Problem Language Result Execution time Memory
1020192 2024-07-11T16:36:39 Z mansur Combo (IOI18_combo) C++17
30 / 100
 27 ms 1968 KB 
#include "combo.h"
#include<bits/stdc++.h>

using namespace std;

#define rall(s) s.rbegin(), s.rend()
#define all(s) s.begin(), s.end()
#define sz(s) (int)s.size()
#define s second
#define f first

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

const int N = 1e6;

string guess_sequence(int n) {
	string ans = "";
	if (press("AB")) {
		if (press("A")) ans = "A";
		else ans = "B";
	}else {
		if (press("X")) ans = "X";
		else ans = "Y";
	}
	vector<char> s, h;
	if (ans != "A") s.push_back('A');
	if (ans != "B") s.push_back('B');
	if (ans != "X") s.push_back('X');
	if (ans != "Y") s.push_back('Y');
	while (sz(ans) < n) {
		shuffle(all(s), rng);
		if (sz(h)) {
			if (sz(ans) == n - 1) {
				if (press(ans + h[0]) == sz(ans)) ans += h[1];
				else ans += h[0];
				return ans;
			}
			int x = press(ans + h[0] + s[0] + ans + h[0] + s[1]);
			if (x == sz(ans) + 2) {
				ans += h[0];
				h = {s[0], s[1]};
				continue;
			}
			if (x == sz(ans) + 1) {
				ans = ans + h[0] + s[2];
				h.clear();
				continue;
			}
			ans += h[1];
			h.clear();
			continue;
		}
		if (sz(ans) == n - 1) {
			if (press(ans + s[0] + ans + s[1]) == sz(ans) + 1) {
				if (press(ans + s[0]) == sz(ans) + 1) ans += s[0];
				else ans += s[1];
			}else ans += s[2];
			return ans;
		}
		int x = press(ans + s[0] + s[0] + ans + s[0] + s[1] + ans + s[1] + s[0] + ans + s[1] + s[1]);
		if (x == sz(ans)) {
			ans += s[2];
			continue;
		}
		if (x == sz(ans) + 1) {
			if (press(ans + s[0]) == sz(ans)) ans = ans + s[1] + s[2];
			else ans = ans + s[0] + s[2];
			continue;
		}
		x = press(ans + s[0] + s[0]);
		if (x == sz(ans)) {
			ans += s[1];
			h = {s[0], s[1]};
			continue;
		}
		if (x == sz(ans) + 2) ans = ans + s[0] + s[0];
		else ans = ans + s[0] + s[1];
	}
	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 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 0 ms 344 KB Output is correct
10 Correct 1 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 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 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 1 ms 344 KB Output is correct
20 Correct 0 ms 344 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 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 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #2
25.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 428 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 Partially correct 19 ms 740 KB Output is partially correct
18 Partially correct 18 ms 760 KB Output is partially correct
19 Partially correct 22 ms 768 KB Output is partially correct
20 Partially correct 27 ms 636 KB Output is partially correct
21 Partially correct 21 ms 744 KB Output is partially correct
22 Partially correct 0 ms 344 KB Output is partially correct
23 Partially correct 0 ms 344 KB Output is partially correct
24 Partially correct 1 ms 344 KB Output is partially correct
25 Partially correct 1 ms 344 KB Output is partially correct
26 Partially correct 1 ms 344 KB Output is partially correct
27 Partially correct 1 ms 344 KB Output is partially correct
28 Partially correct 1 ms 344 KB Output is partially correct
29 Partially correct 1 ms 600 KB Output is partially correct
30 Partially correct 1 ms 344 KB Output is partially correct
31 Partially correct 1 ms 344 KB Output is partially correct
32 Partially correct 20 ms 652 KB Output is partially correct
33 Partially correct 20 ms 640 KB Output is partially correct
34 Partially correct 18 ms 608 KB Output is partially correct
35 Partially correct 20 ms 600 KB Output is partially correct
36 Partially correct 17 ms 1000 KB Output is partially correct
37 Partially correct 21 ms 600 KB Output is partially correct
38 Partially correct 18 ms 752 KB Output is partially correct
39 Partially correct 17 ms 644 KB Output is partially correct
40 Partially correct 18 ms 760 KB Output is partially correct
41 Partially correct 14 ms 764 KB Output is partially correct
42 Partially correct 16 ms 600 KB Output is partially correct
43 Partially correct 21 ms 1292 KB Output is partially correct
44 Partially correct 21 ms 520 KB Output is partially correct
45 Partially correct 20 ms 756 KB Output is partially correct
46 Partially correct 19 ms 1464 KB Output is partially correct
47 Partially correct 17 ms 692 KB Output is partially correct
48 Partially correct 22 ms 856 KB Output is partially correct
49 Partially correct 16 ms 600 KB Output is partially correct
50 Partially correct 18 ms 736 KB Output is partially correct
51 Partially correct 19 ms 1968 KB Output is partially correct
52 Partially correct 21 ms 872 KB Output is partially correct
53 Partially correct 18 ms 512 KB Output is partially correct
54 Partially correct 23 ms 1480 KB Output is partially correct
55 Partially correct 27 ms 516 KB Output is partially correct
56 Partially correct 17 ms 600 KB Output is partially correct
57 Partially correct 24 ms 532 KB Output is partially correct
58 Partially correct 23 ms 716 KB Output is partially correct
59 Partially correct 26 ms 1188 KB Output is partially correct
60 Partially correct 19 ms 636 KB Output is partially correct
61 Partially correct 24 ms 744 KB Output is partially correct
62 Partially correct 20 ms 744 KB Output is partially correct
63 Partially correct 20 ms 848 KB Output is partially correct
64 Partially correct 20 ms 512 KB Output is partially correct
65 Partially correct 25 ms 744 KB Output is partially correct
66 Partially correct 18 ms 532 KB Output is partially correct
67 Partially correct 17 ms 764 KB Output is partially correct
68 Partially correct 19 ms 756 KB Output is partially correct
69 Partially correct 18 ms 516 KB Output is partially correct
70 Partially correct 19 ms 960 KB Output is partially correct
71 Partially correct 17 ms 520 KB Output is partially correct
72 Partially correct 22 ms 1928 KB Output is partially correct
73 Partially correct 18 ms 752 KB Output is partially correct
74 Partially correct 15 ms 620 KB Output is partially correct
75 Partially correct 19 ms 996 KB Output is partially correct
76 Partially correct 16 ms 512 KB Output is partially correct
77 Partially correct 18 ms 964 KB Output is partially correct
78 Correct 0 ms 344 KB Output is correct
79 Correct 0 ms 344 KB Output is correct
80 Partially correct 0 ms 344 KB Output is partially correct
81 Partially correct 0 ms 344 KB Output is partially correct
82 Correct 0 ms 344 KB Output is correct
83 Partially correct 0 ms 344 KB Output is partially correct
84 Partially correct 1 ms 344 KB Output is partially correct
85 Partially correct 0 ms 344 KB Output is partially correct
86 Correct 1 ms 344 KB Output is correct
87 Partially correct 1 ms 344 KB Output is partially correct
88 Partially correct 0 ms 344 KB Output is partially correct
89 Correct 0 ms 344 KB Output is correct
90 Partially correct 0 ms 344 KB Output is partially correct
91 Partially correct 0 ms 344 KB Output is partially correct
92 Partially correct 1 ms 344 KB Output is partially correct
93 Partially correct 1 ms 344 KB Output is partially correct
94 Partially correct 1 ms 436 KB Output is partially correct
95 Partially correct 1 ms 344 KB Output is partially correct
96 Partially correct 1 ms 344 KB Output is partially correct
97 Partially correct 1 ms 344 KB Output is partially correct
98 Partially correct 1 ms 344 KB Output is partially correct
99 Partially correct 1 ms 344 KB Output is partially correct
100 Partially correct 1 ms 344 KB Output is partially correct
101 Partially correct 1 ms 344 KB Output is partially correct
102 Partially correct 1 ms 344 KB Output is partially correct
103 Partially correct 1 ms 344 KB Output is partially correct
104 Partially correct 0 ms 344 KB Output is partially correct
105 Partially correct 1 ms 344 KB Output is partially correct
106 Partially correct 1 ms 344 KB Output is partially correct
107 Partially correct 1 ms 344 KB Output is partially correct
108 Partially correct 1 ms 344 KB Output is partially correct
109 Partially correct 1 ms 344 KB Output is partially correct
110 Partially correct 0 ms 344 KB Output is partially correct
111 Partially correct 1 ms 344 KB Output is partially correct
112 Correct 0 ms 344 KB Output is correct
113 Correct 0 ms 344 KB Output is correct
114 Partially correct 0 ms 344 KB Output is partially correct
115 Partially correct 1 ms 344 KB Output is partially correct
116 Partially correct 0 ms 344 KB Output is partially correct
117 Partially correct 0 ms 344 KB Output is partially correct
118 Partially correct 1 ms 344 KB Output is partially correct
119 Partially correct 1 ms 344 KB Output is partially correct
120 Partially correct 1 ms 344 KB Output is partially correct
121 Partially correct 0 ms 344 KB Output is partially correct
122 Partially correct 1 ms 344 KB Output is partially correct
123 Partially correct 0 ms 344 KB Output is partially correct