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Submission #70107

# Submission time Handle Problem Language Result Execution time Memory
70107 2018-08-22T11:10:06 Z E869120 The Big Prize (IOI17_prize) C++14
20 / 100
 136 ms 2480 KB 
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

vector<int>vec;

int find_best(int n) {
	// -------------- 前処理 -----------------
	for(int i=0;i<n;i++) vec.push_back(i);
	
	while(vec.size() >= 2){
		int maxn=0;
		for(int i=0;i<30;i++){
			vector<int>P = ask(vec[rand()%vec.size()]);
			maxn = max(maxn, P[0] + P[1]);
		}
		assert(maxn<(int)vec.size());
		vector<int>vec2; int ret = -1;
		for(int h=0;h<maxn;h++){
			int cx = 0;
			for(int i=17;i>=0;i--){
				int pos = cx + (1 << i) - 1; if(pos >= (int)vec.size()) pos = vec.size() - 1;
				vector<int>L = ask(vec[pos]);
				if((L[0] + L[1] == maxn && L[0] == h) || pos <= ret) cx += (1 << i);
			}
			if(cx == 262143) cx = vec.size() - 1;
			vec2.push_back(vec[cx]); ret = cx;
		}
		vec = vec2;
	}
	return vec[0];
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1392 KB Output is correct
2 Correct 6 ms 1516 KB Output is correct
3 Correct 6 ms 1548 KB Output is correct
4 Correct 5 ms 1564 KB Output is correct
5 Correct 6 ms 1636 KB Output is correct
6 Correct 5 ms 1640 KB Output is correct
7 Correct 4 ms 1704 KB Output is correct
8 Correct 5 ms 1704 KB Output is correct
9 Correct 4 ms 1716 KB Output is correct
10 Correct 4 ms 1716 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1716 KB Output is correct
2 Correct 3 ms 1716 KB Output is correct
3 Correct 4 ms 1716 KB Output is correct
4 Correct 5 ms 1716 KB Output is correct
5 Correct 5 ms 1716 KB Output is correct
6 Correct 5 ms 1716 KB Output is correct
7 Correct 5 ms 1716 KB Output is correct
8 Correct 4 ms 1716 KB Output is correct
9 Correct 5 ms 1716 KB Output is correct
10 Correct 4 ms 1716 KB Output is correct
11 Correct 11 ms 1716 KB Output is correct
12 Correct 21 ms 1716 KB Output is correct
13 Correct 11 ms 1716 KB Output is correct
14 Correct 27 ms 1716 KB Output is correct
15 Partially correct 97 ms 1716 KB Partially correct - number of queries: 8124
16 Partially correct 115 ms 1716 KB Partially correct - number of queries: 9192
17 Partially correct 106 ms 1716 KB Partially correct - number of queries: 9192
18 Partially correct 62 ms 1716 KB Partially correct - number of queries: 9192
19 Partially correct 39 ms 1716 KB Partially correct - number of queries: 8526
20 Partially correct 46 ms 1716 KB Partially correct - number of queries: 6456
21 Partially correct 43 ms 1716 KB Partially correct - number of queries: 8928
22 Partially correct 86 ms 1716 KB Partially correct - number of queries: 6498
23 Correct 9 ms 1716 KB Output is correct
24 Correct 8 ms 1716 KB Output is correct
25 Partially correct 108 ms 1716 KB Partially correct - number of queries: 9192
26 Partially correct 100 ms 1716 KB Partially correct - number of queries: 9192
27 Correct 11 ms 1716 KB Output is correct
28 Partially correct 136 ms 1716 KB Partially correct - number of queries: 8928
29 Partially correct 118 ms 1716 KB Partially correct - number of queries: 7482
30 Partially correct 44 ms 1716 KB Partially correct - number of queries: 8928
31 Partially correct 104 ms 1716 KB Partially correct - number of queries: 8928
32 Correct 18 ms 1716 KB Output is correct
33 Correct 9 ms 1716 KB Output is correct
34 Partially correct 48 ms 1716 KB Partially correct - number of queries: 9192
35 Correct 8 ms 1716 KB Output is correct
36 Partially correct 100 ms 1716 KB Partially correct - number of queries: 9066
37 Correct 16 ms 1716 KB Output is correct
38 Correct 8 ms 1716 KB Output is correct
39 Partially correct 42 ms 1716 KB Partially correct - number of queries: 8928
40 Partially correct 44 ms 1716 KB Partially correct - number of queries: 7554
41 Partially correct 45 ms 1716 KB Partially correct - number of queries: 9192
42 Partially correct 90 ms 1716 KB Partially correct - number of queries: 9192
43 Partially correct 88 ms 1716 KB Partially correct - number of queries: 8886
44 Partially correct 68 ms 1716 KB Partially correct - number of queries: 9192
45 Partially correct 117 ms 1716 KB Partially correct - number of queries: 9192
46 Partially correct 96 ms 1716 KB Partially correct - number of queries: 9192
47 Partially correct 114 ms 1716 KB Partially correct - number of queries: 9192
48 Partially correct 106 ms 1716 KB Partially correct - number of queries: 9192
49 Partially correct 108 ms 1716 KB Partially correct - number of queries: 9192
50 Partially correct 82 ms 1716 KB Partially correct - number of queries: 9192
51 Partially correct 101 ms 1716 KB Partially correct - number of queries: 9192
52 Partially correct 90 ms 1716 KB Partially correct - number of queries: 9192
53 Correct 8 ms 1716 KB Output is correct
54 Partially correct 75 ms 1716 KB Partially correct - number of queries: 8928
55 Partially correct 71 ms 1716 KB Partially correct - number of queries: 9192
56 Partially correct 103 ms 1716 KB Partially correct - number of queries: 9192
57 Partially correct 73 ms 1716 KB Partially correct - number of queries: 8928
58 Partially correct 100 ms 1716 KB Partially correct - number of queries: 9192
59 Partially correct 85 ms 1716 KB Partially correct - number of queries: 9192
60 Partially correct 79 ms 1716 KB Partially correct - number of queries: 8928
61 Correct 7 ms 1716 KB Output is correct
62 Correct 6 ms 1716 KB Output is correct
63 Correct 9 ms 1716 KB Output is correct
64 Correct 8 ms 1716 KB Output is correct
65 Correct 18 ms 1716 KB Output is correct
66 Partially correct 102 ms 1716 KB Partially correct - number of queries: 9192
67 Partially correct 36 ms 1716 KB Partially correct - number of queries: 8928
68 Partially correct 78 ms 1716 KB Partially correct - number of queries: 8124
69 Partially correct 134 ms 1716 KB Partially correct - number of queries: 9192
70 Partially correct 56 ms 1716 KB Partially correct - number of queries: 5682
71 Partially correct 82 ms 1716 KB Partially correct - number of queries: 9192
72 Correct 18 ms 1716 KB Output is correct
73 Partially correct 99 ms 1716 KB Partially correct - number of queries: 8976
74 Partially correct 120 ms 1716 KB Partially correct - number of queries: 8928
75 Correct 6 ms 1720 KB Output is correct
76 Partially correct 66 ms 1720 KB Partially correct - number of queries: 7650
77 Partially correct 78 ms 1720 KB Partially correct - number of queries: 9192
78 Correct 11 ms 1720 KB Output is correct
79 Correct 48 ms 1720 KB Output is correct
80 Partially correct 69 ms 1720 KB Partially correct - number of queries: 9192
81 Partially correct 66 ms 1720 KB Partially correct - number of queries: 9192
82 Partially correct 103 ms 1720 KB Partially correct - number of queries: 8928
83 Correct 8 ms 1720 KB Output is correct
84 Partially correct 77 ms 1720 KB Partially correct - number of queries: 7380
85 Partially correct 100 ms 1720 KB Partially correct - number of queries: 9192
86 Runtime error 10 ms 2480 KB Execution killed with signal 11 (could be triggered by violating memory limits)
87 Halted 0 ms 0 KB -