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Submission #594388

# Submission time Handle Problem Language Result Execution time Memory
594388 2022-07-12T11:40:15 Z FatihSolak The Big Prize (IOI17_prize) C++17
100 / 100
 47 ms 5156 KB 
#include "prize.h"
#include <bits/stdc++.h>
#define N 200005
using namespace std;
vector<int> rem[N];
int tot_queries = 10000;
vector<int> get(int x){
	if(rem[x].size())return rem[x];
	assert(tot_queries--);
	return rem[x] = ask(x);
}
const int block = 256;
int find_best(int n){
	if(n <= 5000){
		for(int i = 0;i<n;i++){
			if(get(i)[0] + get(i)[1] == 0){
				return i;
			}
		}
	}
	long long maxi = 0;
	int point = 0;
	while((maxi/2 * maxi/2 + 1) * (maxi/2 * maxi/2 + 1) + 1 < n){
		maxi = max(maxi,(long long)get(point)[0] + get(point)[1]);
		point++;
		if(point == 500)break;
	}
	int p = 0;
	while(1){
		int now = get(p)[0] + get(p)[1];
		if(now != maxi){
			if(now == 0){
				return p;
			}
		}
		else{
			int pos = p - get(p)[0];
			int l = p,r= n-1;
			while(l + block < n){
				int m = l + block;
				int val = get(m)[0] + get(m)[1];
				if(val != maxi || m - get(m)[0] != pos + (m-p)){
					break;
				}
				else l = m;
			}
			r = min(r,l + block - 1);
			while(l < r){
				int m = (l + r + 1)/2;
				int val = get(m)[0] + get(m)[1];
				if(val != maxi || m - get(m)[0] != pos + (m-p)){
					r = m-1;
				}
				else l = m;
			}
			p = l;
		}
		p++;
	}
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5004 KB Output is correct
2 Correct 7 ms 5012 KB Output is correct
3 Correct 8 ms 4988 KB Output is correct
4 Correct 15 ms 4992 KB Output is correct
5 Correct 8 ms 5000 KB Output is correct
6 Correct 5 ms 4992 KB Output is correct
7 Correct 7 ms 5012 KB Output is correct
8 Correct 9 ms 4992 KB Output is correct
9 Correct 7 ms 5140 KB Output is correct
10 Correct 13 ms 5020 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5012 KB Output is correct
2 Correct 12 ms 4992 KB Output is correct
3 Correct 8 ms 4992 KB Output is correct
4 Correct 13 ms 5000 KB Output is correct
5 Correct 9 ms 4944 KB Output is correct
6 Correct 5 ms 4944 KB Output is correct
7 Correct 7 ms 4944 KB Output is correct
8 Correct 12 ms 4968 KB Output is correct
9 Correct 8 ms 4944 KB Output is correct
10 Correct 14 ms 5012 KB Output is correct
11 Correct 7 ms 5008 KB Output is correct
12 Correct 5 ms 4996 KB Output is correct
13 Correct 14 ms 4996 KB Output is correct
14 Correct 4 ms 4944 KB Output is correct
15 Correct 7 ms 4980 KB Output is correct
16 Correct 33 ms 5120 KB Output is correct
17 Correct 3 ms 4968 KB Output is correct
18 Correct 47 ms 5032 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 10 ms 5008 KB Output is correct
21 Correct 16 ms 5012 KB Output is correct
22 Correct 4 ms 5012 KB Output is correct
23 Correct 8 ms 4988 KB Output is correct
24 Correct 7 ms 4984 KB Output is correct
25 Correct 32 ms 5064 KB Output is correct
26 Correct 25 ms 4944 KB Output is correct
27 Correct 6 ms 4996 KB Output is correct
28 Correct 31 ms 5112 KB Output is correct
29 Correct 31 ms 4992 KB Output is correct
30 Correct 39 ms 5064 KB Output is correct
31 Correct 3 ms 4988 KB Output is correct
32 Correct 13 ms 5020 KB Output is correct
33 Correct 3 ms 4944 KB Output is correct
34 Correct 12 ms 5008 KB Output is correct
35 Correct 13 ms 5004 KB Output is correct
36 Correct 11 ms 4988 KB Output is correct
37 Correct 7 ms 4988 KB Output is correct
38 Correct 8 ms 5008 KB Output is correct
39 Correct 22 ms 4996 KB Output is correct
40 Correct 19 ms 5096 KB Output is correct
41 Correct 25 ms 5064 KB Output is correct
42 Correct 27 ms 5040 KB Output is correct
43 Correct 25 ms 5020 KB Output is correct
44 Correct 15 ms 5116 KB Output is correct
45 Correct 18 ms 4984 KB Output is correct
46 Correct 3 ms 4988 KB Output is correct
47 Correct 24 ms 4996 KB Output is correct
48 Correct 30 ms 5020 KB Output is correct
49 Correct 5 ms 4944 KB Output is correct
50 Correct 43 ms 5064 KB Output is correct
51 Correct 18 ms 4944 KB Output is correct
52 Correct 3 ms 4988 KB Output is correct
53 Correct 15 ms 4944 KB Output is correct
54 Correct 20 ms 5028 KB Output is correct
55 Correct 3 ms 4984 KB Output is correct
56 Correct 31 ms 5096 KB Output is correct
57 Correct 27 ms 5016 KB Output is correct
58 Correct 21 ms 5020 KB Output is correct
59 Correct 25 ms 5064 KB Output is correct
60 Correct 25 ms 5132 KB Output is correct
61 Correct 12 ms 4968 KB Output is correct
62 Correct 9 ms 4944 KB Output is correct
63 Correct 12 ms 4984 KB Output is correct
64 Correct 14 ms 5008 KB Output is correct
65 Correct 15 ms 5004 KB Output is correct
66 Correct 13 ms 5000 KB Output is correct
67 Correct 9 ms 5020 KB Output is correct
68 Correct 8 ms 4984 KB Output is correct
69 Correct 11 ms 5016 KB Output is correct
70 Correct 9 ms 4984 KB Output is correct
71 Correct 34 ms 5044 KB Output is correct
72 Correct 10 ms 5012 KB Output is correct
73 Correct 31 ms 4996 KB Output is correct
74 Correct 42 ms 5156 KB Output is correct
75 Correct 15 ms 4944 KB Output is correct
76 Correct 37 ms 5064 KB Output is correct
77 Correct 38 ms 5020 KB Output is correct
78 Correct 18 ms 4944 KB Output is correct
79 Correct 26 ms 5036 KB Output is correct
80 Correct 37 ms 5064 KB Output is correct
81 Correct 45 ms 5080 KB Output is correct
82 Correct 36 ms 5120 KB Output is correct
83 Correct 16 ms 4996 KB Output is correct
84 Correct 19 ms 5008 KB Output is correct
85 Correct 22 ms 5120 KB Output is correct
86 Correct 13 ms 5076 KB Output is correct
87 Correct 12 ms 5008 KB Output is correct
88 Correct 12 ms 4944 KB Output is correct
89 Correct 10 ms 5012 KB Output is correct
90 Correct 11 ms 5020 KB Output is correct
91 Correct 11 ms 5080 KB Output is correct
92 Correct 13 ms 5008 KB Output is correct
93 Correct 15 ms 4944 KB Output is correct
94 Correct 15 ms 5020 KB Output is correct
95 Correct 9 ms 5012 KB Output is correct
96 Correct 13 ms 5016 KB Output is correct
97 Correct 11 ms 5016 KB Output is correct