Submission #52154

# Submission time Handle Problem Language Result Execution time Memory
52154 2018-06-24T11:04:18 Z 김세빈(#1331) The Big Prize (IOI17_prize) C++11
95.72 / 100
79 ms 7352 KB
#include "prize.h"

#include <bits/stdc++.h>

using namespace std;

bool chk[202020];
vector <int> M[202020];

vector <int> myask(int idx)
{
	if(chk[idx]) return M[idx];
	chk[idx] = 1;
	return M[idx] = ask(idx);
}

void find(int m, vector <int>& ret, vector <int>& cands, int s, int e, int l, int r)
{
	if(s > e || l > r) return;
	
	int mid = (l+r) >> 1;
	int i,j;
	vector <int> res = myask(cands[mid]);
	
	if(res[0] + res[1] == m){
		find(m, ret, cands, s, res[0] - 1, l, mid-1);
		find(m, ret, cands, res[0], e, mid+1, r);
	}
	else{
		for(i=mid+1;i<=r;i++){
			res = myask(cands[i]);
			if(res[0] + res[1] == m) break;
		}
		if(i <= r){
			for(j=mid;j<i;j++){
				ret[res[0] - (i-j)] = cands[j];
			}
			find(m, ret, cands, s, res[0] - (i-mid) - 1, l, mid-1); 
			find(m, ret, cands, res[0], e, i+1, r);
		}
		
		else{
			for(i=mid-1;i>=l;i--){
				res = myask(cands[i]);
				if(res[0] + res[1] == m) break;
			}
			for(j=r;j>i;j--) ret[e - (r-j)] = cands[j];
			find(m, ret, cands, s, e - (r-i), l, i-1);
		}
	}
}

int run(vector <int> cands)
{
	if(cands.size() == 1) return cands[0];
	
	int i, k = min((int)cands.size(), (int)(sqrt(cands.size()) * 1.5));
	int m = 0;
	vector <int> res;
	
	for(i=0;i<k;i++){
		res = myask(cands[i]);
		m = max(m, res[0] + res[1]);
	}
	
	vector <int> ret(m);
	
	find(m, ret, cands, 0, m-1, 0, cands.size()-1);
	
	return run(ret);
}

int find_best(int n)
{
	vector <int> V;
	
	int i;
	
	for(i=0;i<n;i++){
		V.push_back(i);
	}
	
	return run(V);
}
# Verdict Execution time Memory Grader output
1 Correct 12 ms 6760 KB Output is correct
2 Correct 10 ms 6900 KB Output is correct
3 Correct 14 ms 6912 KB Output is correct
4 Correct 11 ms 6912 KB Output is correct
5 Correct 14 ms 6976 KB Output is correct
6 Correct 14 ms 6976 KB Output is correct
7 Correct 12 ms 6976 KB Output is correct
8 Correct 12 ms 6992 KB Output is correct
9 Correct 14 ms 7060 KB Output is correct
10 Correct 12 ms 7060 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 7060 KB Output is correct
2 Correct 20 ms 7060 KB Output is correct
3 Correct 10 ms 7060 KB Output is correct
4 Correct 15 ms 7060 KB Output is correct
5 Correct 15 ms 7060 KB Output is correct
6 Correct 21 ms 7060 KB Output is correct
7 Correct 13 ms 7060 KB Output is correct
8 Correct 21 ms 7060 KB Output is correct
9 Correct 13 ms 7060 KB Output is correct
10 Correct 10 ms 7088 KB Output is correct
11 Correct 18 ms 7212 KB Output is correct
12 Correct 12 ms 7212 KB Output is correct
13 Correct 19 ms 7212 KB Output is correct
14 Correct 15 ms 7212 KB Output is correct
15 Correct 26 ms 7232 KB Output is correct
16 Partially correct 49 ms 7232 KB Partially correct - number of queries: 5150
17 Partially correct 50 ms 7232 KB Partially correct - number of queries: 5115
18 Partially correct 52 ms 7272 KB Partially correct - number of queries: 5130
19 Correct 26 ms 7272 KB Output is correct
20 Correct 28 ms 7272 KB Output is correct
21 Partially correct 51 ms 7272 KB Partially correct - number of queries: 5113
22 Correct 37 ms 7272 KB Output is correct
23 Correct 11 ms 7272 KB Output is correct
24 Correct 19 ms 7272 KB Output is correct
25 Correct 46 ms 7272 KB Output is correct
26 Correct 49 ms 7272 KB Output is correct
27 Correct 16 ms 7272 KB Output is correct
28 Correct 43 ms 7272 KB Output is correct
29 Correct 39 ms 7272 KB Output is correct
30 Partially correct 52 ms 7272 KB Partially correct - number of queries: 5094
31 Partially correct 49 ms 7272 KB Partially correct - number of queries: 5099
32 Correct 17 ms 7272 KB Output is correct
33 Correct 6 ms 7272 KB Output is correct
34 Partially correct 35 ms 7276 KB Partially correct - number of queries: 5148
35 Correct 16 ms 7276 KB Output is correct
36 Partially correct 47 ms 7276 KB Partially correct - number of queries: 5061
37 Correct 18 ms 7276 KB Output is correct
38 Correct 15 ms 7276 KB Output is correct
39 Partially correct 50 ms 7276 KB Partially correct - number of queries: 5052
40 Correct 36 ms 7316 KB Output is correct
41 Partially correct 52 ms 7316 KB Partially correct - number of queries: 5097
42 Partially correct 56 ms 7316 KB Partially correct - number of queries: 5097
43 Partially correct 50 ms 7316 KB Partially correct - number of queries: 5015
44 Partially correct 47 ms 7316 KB Partially correct - number of queries: 5141
45 Correct 46 ms 7316 KB Output is correct
46 Partially correct 49 ms 7316 KB Partially correct - number of queries: 5126
47 Correct 51 ms 7316 KB Output is correct
48 Partially correct 58 ms 7316 KB Partially correct - number of queries: 5110
49 Partially correct 42 ms 7316 KB Partially correct - number of queries: 5101
50 Partially correct 53 ms 7316 KB Partially correct - number of queries: 5124
51 Partially correct 37 ms 7316 KB Partially correct - number of queries: 5114
52 Partially correct 51 ms 7316 KB Partially correct - number of queries: 5128
53 Correct 16 ms 7316 KB Output is correct
54 Partially correct 51 ms 7316 KB Partially correct - number of queries: 5114
55 Partially correct 50 ms 7316 KB Partially correct - number of queries: 5125
56 Partially correct 26 ms 7316 KB Partially correct - number of queries: 5135
57 Partially correct 27 ms 7316 KB Partially correct - number of queries: 5100
58 Partially correct 58 ms 7316 KB Partially correct - number of queries: 5106
59 Partially correct 47 ms 7316 KB Partially correct - number of queries: 5101
60 Partially correct 28 ms 7316 KB Partially correct - number of queries: 5086
61 Correct 14 ms 7316 KB Output is correct
62 Correct 14 ms 7316 KB Output is correct
63 Correct 16 ms 7316 KB Output is correct
64 Correct 15 ms 7316 KB Output is correct
65 Correct 14 ms 7316 KB Output is correct
66 Correct 18 ms 7316 KB Output is correct
67 Correct 12 ms 7316 KB Output is correct
68 Correct 16 ms 7316 KB Output is correct
69 Correct 19 ms 7316 KB Output is correct
70 Correct 16 ms 7316 KB Output is correct
71 Partially correct 79 ms 7316 KB Partially correct - number of queries: 5428
72 Correct 13 ms 7316 KB Output is correct
73 Partially correct 42 ms 7352 KB Partially correct - number of queries: 5365
74 Partially correct 48 ms 7352 KB Partially correct - number of queries: 5392
75 Correct 14 ms 7352 KB Output is correct
76 Correct 38 ms 7352 KB Output is correct
77 Partially correct 46 ms 7352 KB Partially correct - number of queries: 5122
78 Correct 15 ms 7352 KB Output is correct
79 Correct 29 ms 7352 KB Output is correct
80 Partially correct 49 ms 7352 KB Partially correct - number of queries: 5130
81 Partially correct 55 ms 7352 KB Partially correct - number of queries: 5111
82 Partially correct 43 ms 7352 KB Partially correct - number of queries: 5058
83 Correct 14 ms 7352 KB Output is correct
84 Correct 40 ms 7352 KB Output is correct
85 Partially correct 41 ms 7352 KB Partially correct - number of queries: 5095
86 Correct 14 ms 7352 KB Output is correct
87 Correct 13 ms 7352 KB Output is correct
88 Correct 14 ms 7352 KB Output is correct
89 Correct 13 ms 7352 KB Output is correct
90 Correct 12 ms 7352 KB Output is correct
91 Correct 13 ms 7352 KB Output is correct
92 Correct 12 ms 7352 KB Output is correct
93 Correct 15 ms 7352 KB Output is correct
94 Correct 16 ms 7352 KB Output is correct
95 Correct 13 ms 7352 KB Output is correct
96 Correct 15 ms 7352 KB Output is correct
97 Correct 13 ms 7352 KB Output is correct