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Submission #318409

# Submission time Handle Problem Language Result Execution time Memory
318409 2020-11-01T18:31:41 Z soroush Combo (IOI18_combo) C++14
97 / 100
 47 ms 536 KB 
#include <bits/stdc++.h>
#include "combo.h"
 
using namespace std;
 
 
string guess_sequence(int n){
	string ans = "";
	vector < string > vec = {"A" , "B" , "X" , "Y"};
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	shuffle(vec.begin() , vec.end() , rng);
	string f = vec[0];
	if(press(ans + vec[1]) == 1)	
		f = vec[1];
	else if(press(ans + vec[2]) == 1)	
		f = vec[2];
	else if(press(ans + vec[3]) == 1)	
		f = vec[3];
	ans += f;
	vector < string > v;
	for(int i = 0 ; i < 4 ; i ++){
		auto s = vec.back();
		vec.pop_back();
		if(s!=f)
			v.push_back(s);
	}
	for(int i = 1 ; i < n-1 ; i ++){
		int res = press(ans + v[0] + ans + v[1] + v[0] + ans + v[1] + v[1] + ans + v[1] + v[2]);
		if(res == i)
			ans += v[2];
		if(res == i + 1)
			ans += v[0];
		if(res == i + 2)
			ans += v[1];
	}
	if(n == 1)return(ans);
	f = v[0];
	if(press(ans + v[1]) == n)	
		f = v[1];
	else if(press(ans + v[2]) == n)	
		f = v[2];
	ans += f;
	return(ans);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 200 KB Output is correct
2 Correct 0 ms 200 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 200 KB Output is correct
5 Correct 2 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 0 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 3 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 0 ms 200 KB Output is correct
19 Correct 1 ms 200 KB Output is correct
20 Correct 1 ms 200 KB Output is correct
21 Correct 0 ms 200 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 1 ms 200 KB Output is correct
24 Correct 1 ms 200 KB Output is correct
25 Correct 0 ms 200 KB Output is correct
26 Correct 1 ms 200 KB Output is correct
27 Correct 1 ms 200 KB Output is correct
28 Correct 1 ms 200 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 0 ms 200 KB Output is correct
35 Correct 1 ms 200 KB Output is correct
36 Correct 1 ms 200 KB Output is correct

Subtask #2
92.0 / 95.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 200 KB Output is correct
5 Partially correct 1 ms 200 KB Output is partially correct
6 Correct 1 ms 200 KB Output is correct
7 Partially correct 1 ms 200 KB Output is partially correct
8 Correct 0 ms 200 KB Output is correct
9 Partially correct 1 ms 200 KB Output is partially correct
10 Correct 1 ms 200 KB Output is correct
11 Partially correct 1 ms 200 KB Output is partially correct
12 Partially correct 1 ms 200 KB Output is partially correct
13 Correct 1 ms 200 KB Output is correct
14 Correct 1 ms 200 KB Output is correct
15 Correct 1 ms 200 KB Output is correct
16 Partially correct 0 ms 200 KB Output is partially correct
17 Correct 33 ms 356 KB Output is correct
18 Partially correct 36 ms 456 KB Output is partially correct
19 Correct 33 ms 388 KB Output is correct
20 Correct 30 ms 436 KB Output is correct
21 Correct 26 ms 460 KB Output is correct
22 Correct 1 ms 200 KB Output is correct
23 Correct 3 ms 200 KB Output is correct
24 Correct 2 ms 200 KB Output is correct
25 Correct 2 ms 200 KB Output is correct
26 Partially correct 2 ms 200 KB Output is partially correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 3 ms 300 KB Output is correct
29 Correct 2 ms 328 KB Output is correct
30 Correct 4 ms 328 KB Output is correct
31 Correct 4 ms 328 KB Output is correct
32 Correct 35 ms 468 KB Output is correct
33 Correct 30 ms 348 KB Output is correct
34 Partially correct 32 ms 344 KB Output is partially correct
35 Correct 29 ms 448 KB Output is correct
36 Partially correct 31 ms 512 KB Output is partially correct
37 Correct 29 ms 444 KB Output is correct
38 Partially correct 36 ms 460 KB Output is partially correct
39 Correct 33 ms 348 KB Output is correct
40 Partially correct 23 ms 536 KB Output is partially correct
41 Correct 23 ms 500 KB Output is correct
42 Correct 33 ms 388 KB Output is correct
43 Correct 32 ms 452 KB Output is correct
44 Partially correct 31 ms 448 KB Output is partially correct
45 Correct 36 ms 452 KB Output is correct
46 Correct 31 ms 420 KB Output is correct
47 Correct 32 ms 344 KB Output is correct
48 Correct 30 ms 344 KB Output is correct
49 Correct 42 ms 420 KB Output is correct
50 Correct 38 ms 500 KB Output is correct
51 Correct 36 ms 384 KB Output is correct
52 Correct 35 ms 348 KB Output is correct
53 Correct 30 ms 452 KB Output is correct
54 Partially correct 16 ms 388 KB Output is partially correct
55 Correct 29 ms 468 KB Output is correct
56 Partially correct 26 ms 372 KB Output is partially correct
57 Correct 30 ms 344 KB Output is correct
58 Correct 37 ms 348 KB Output is correct
59 Correct 43 ms 344 KB Output is correct
60 Correct 40 ms 384 KB Output is correct
61 Correct 44 ms 452 KB Output is correct
62 Correct 28 ms 448 KB Output is correct
63 Partially correct 35 ms 396 KB Output is partially correct
64 Correct 35 ms 420 KB Output is correct
65 Partially correct 33 ms 460 KB Output is partially correct
66 Correct 33 ms 452 KB Output is correct
67 Correct 33 ms 376 KB Output is correct
68 Partially correct 36 ms 344 KB Output is partially correct
69 Partially correct 24 ms 344 KB Output is partially correct
70 Partially correct 32 ms 360 KB Output is partially correct
71 Correct 33 ms 520 KB Output is correct
72 Correct 45 ms 344 KB Output is correct
73 Correct 26 ms 412 KB Output is correct
74 Correct 47 ms 348 KB Output is correct
75 Correct 24 ms 344 KB Output is correct
76 Correct 42 ms 460 KB Output is correct
77 Correct 36 ms 452 KB Output is correct
78 Correct 1 ms 200 KB Output is correct
79 Partially correct 1 ms 200 KB Output is partially correct
80 Correct 1 ms 200 KB Output is correct
81 Correct 1 ms 200 KB Output is correct
82 Correct 1 ms 200 KB Output is correct
83 Partially correct 1 ms 296 KB Output is partially correct
84 Correct 2 ms 276 KB Output is correct
85 Partially correct 1 ms 200 KB Output is partially correct
86 Correct 1 ms 292 KB Output is correct
87 Correct 1 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 Partially correct 1 ms 256 KB Output is partially correct
91 Partially correct 3 ms 200 KB Output is partially correct
92 Partially correct 2 ms 248 KB Output is partially correct
93 Correct 2 ms 200 KB Output is correct
94 Partially correct 1 ms 292 KB Output is partially correct
95 Correct 1 ms 296 KB Output is correct
96 Correct 2 ms 256 KB Output is correct
97 Correct 2 ms 296 KB Output is correct
98 Correct 3 ms 300 KB Output is correct
99 Correct 1 ms 296 KB Output is correct
100 Partially correct 3 ms 296 KB Output is partially correct
101 Correct 3 ms 296 KB Output is correct
102 Partially correct 1 ms 292 KB Output is partially correct
103 Correct 1 ms 200 KB Output is correct
104 Partially correct 1 ms 296 KB Output is partially correct
105 Correct 2 ms 200 KB Output is correct
106 Correct 1 ms 200 KB Output is correct
107 Partially correct 1 ms 200 KB Output is partially correct
108 Correct 1 ms 200 KB Output is correct
109 Correct 1 ms 200 KB Output is correct
110 Correct 1 ms 256 KB Output is correct
111 Correct 2 ms 200 KB Output is correct
112 Correct 1 ms 200 KB Output is correct
113 Partially correct 1 ms 200 KB Output is partially correct
114 Partially correct 1 ms 200 KB Output is partially correct
115 Partially correct 1 ms 200 KB Output is partially correct
116 Correct 1 ms 256 KB Output is correct
117 Correct 1 ms 296 KB Output is correct
118 Correct 1 ms 296 KB Output is correct
119 Partially correct 1 ms 200 KB Output is partially correct
120 Correct 1 ms 200 KB Output is correct
121 Correct 1 ms 200 KB Output is correct
122 Correct 1 ms 296 KB Output is correct
123 Correct 1 ms 256 KB Output is correct