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Submission #1008266

# Submission time Handle Problem Language Result Execution time Memory
1008266 2024-06-26T08:43:51 Z bachhoangxuan The Big Prize (IOI17_prize) C++17
100 / 100
 27 ms 10912 KB 
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 2e5+5;
int a[maxn];
set<int> s[maxn];

int find_best(int n) {
    function<int(int,int)> f = [&](int l,int r){
        if(l>r) return -1;
        int m=(l+r)>>1;
        vector<int> v=ask(m);
        int k=(a[m]=v[0])+v[1];
        if(!k) return m;
        auto it=s[k].insert(m).first;
        if(it==s[k].begin() || a[*prev(it)]!=a[m]){
            int x=f(l,m-1);
            if(x!=-1) return x;
        }
        if(next(it)==s[k].end() || a[m]!=a[*next(it)]){
            int x=f(m+1,r);
            if(x!=-1) return x;
        }
        return -1;
    };
    return f(0,n-1);
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9816 KB Output is correct
2 Correct 2 ms 9816 KB Output is correct
3 Correct 3 ms 9816 KB Output is correct
4 Correct 2 ms 9816 KB Output is correct
5 Correct 2 ms 9816 KB Output is correct
6 Correct 2 ms 9816 KB Output is correct
7 Correct 2 ms 9816 KB Output is correct
8 Correct 2 ms 9816 KB Output is correct
9 Correct 2 ms 9816 KB Output is correct
10 Correct 2 ms 9816 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 9816 KB Output is correct
2 Correct 3 ms 9816 KB Output is correct
3 Correct 2 ms 9816 KB Output is correct
4 Correct 2 ms 9828 KB Output is correct
5 Correct 2 ms 9816 KB Output is correct
6 Correct 2 ms 9816 KB Output is correct
7 Correct 3 ms 9816 KB Output is correct
8 Correct 3 ms 9816 KB Output is correct
9 Correct 2 ms 9816 KB Output is correct
10 Correct 2 ms 9816 KB Output is correct
11 Correct 3 ms 10072 KB Output is correct
12 Correct 2 ms 9816 KB Output is correct
13 Correct 5 ms 10328 KB Output is correct
14 Correct 2 ms 9816 KB Output is correct
15 Correct 5 ms 10072 KB Output is correct
16 Correct 25 ms 10832 KB Output is correct
17 Correct 2 ms 9816 KB Output is correct
18 Correct 16 ms 10564 KB Output is correct
19 Correct 2 ms 9816 KB Output is correct
20 Correct 5 ms 10072 KB Output is correct
21 Correct 12 ms 10072 KB Output is correct
22 Correct 3 ms 9816 KB Output is correct
23 Correct 2 ms 9816 KB Output is correct
24 Correct 2 ms 9816 KB Output is correct
25 Correct 10 ms 10244 KB Output is correct
26 Correct 11 ms 10328 KB Output is correct
27 Correct 2 ms 9828 KB Output is correct
28 Correct 21 ms 10664 KB Output is correct
29 Correct 21 ms 10576 KB Output is correct
30 Correct 26 ms 10564 KB Output is correct
31 Correct 2 ms 9816 KB Output is correct
32 Correct 3 ms 10072 KB Output is correct
33 Correct 1 ms 9816 KB Output is correct
34 Correct 6 ms 10072 KB Output is correct
35 Correct 3 ms 9816 KB Output is correct
36 Correct 6 ms 9816 KB Output is correct
37 Correct 2 ms 9816 KB Output is correct
38 Correct 2 ms 9816 KB Output is correct
39 Correct 10 ms 10228 KB Output is correct
40 Correct 18 ms 10684 KB Output is correct
41 Correct 13 ms 10328 KB Output is correct
42 Correct 14 ms 10320 KB Output is correct
43 Correct 9 ms 10328 KB Output is correct
44 Correct 10 ms 10072 KB Output is correct
45 Correct 7 ms 10052 KB Output is correct
46 Correct 3 ms 9816 KB Output is correct
47 Correct 11 ms 10072 KB Output is correct
48 Correct 23 ms 10660 KB Output is correct
49 Correct 4 ms 9816 KB Output is correct
50 Correct 22 ms 10576 KB Output is correct
51 Correct 9 ms 10328 KB Output is correct
52 Correct 2 ms 9816 KB Output is correct
53 Correct 2 ms 9816 KB Output is correct
54 Correct 13 ms 10320 KB Output is correct
55 Correct 3 ms 9816 KB Output is correct
56 Correct 25 ms 10844 KB Output is correct
57 Correct 17 ms 10424 KB Output is correct
58 Correct 18 ms 10328 KB Output is correct
59 Correct 18 ms 10392 KB Output is correct
60 Correct 15 ms 10324 KB Output is correct
61 Correct 2 ms 9816 KB Output is correct
62 Correct 2 ms 9816 KB Output is correct
63 Correct 3 ms 9816 KB Output is correct
64 Correct 2 ms 9816 KB Output is correct
65 Correct 2 ms 9812 KB Output is correct
66 Correct 2 ms 9812 KB Output is correct
67 Correct 2 ms 9816 KB Output is correct
68 Correct 2 ms 9816 KB Output is correct
69 Correct 2 ms 9816 KB Output is correct
70 Correct 2 ms 9816 KB Output is correct
71 Correct 27 ms 10868 KB Output is correct
72 Correct 4 ms 10072 KB Output is correct
73 Correct 20 ms 10748 KB Output is correct
74 Correct 24 ms 10912 KB Output is correct
75 Correct 3 ms 9816 KB Output is correct
76 Correct 17 ms 10576 KB Output is correct
77 Correct 24 ms 10584 KB Output is correct
78 Correct 4 ms 10072 KB Output is correct
79 Correct 16 ms 10692 KB Output is correct
80 Correct 23 ms 10576 KB Output is correct
81 Correct 19 ms 10600 KB Output is correct
82 Correct 15 ms 10572 KB Output is correct
83 Correct 2 ms 9816 KB Output is correct
84 Correct 20 ms 10640 KB Output is correct
85 Correct 27 ms 10736 KB Output is correct
86 Correct 4 ms 10072 KB Output is correct
87 Correct 4 ms 10072 KB Output is correct
88 Correct 4 ms 10072 KB Output is correct
89 Correct 5 ms 10072 KB Output is correct
90 Correct 2 ms 9816 KB Output is correct
91 Correct 3 ms 10072 KB Output is correct
92 Correct 2 ms 9816 KB Output is correct
93 Correct 4 ms 9900 KB Output is correct
94 Correct 4 ms 10068 KB Output is correct
95 Correct 3 ms 10072 KB Output is correct
96 Correct 3 ms 10072 KB Output is correct
97 Correct 2 ms 9816 KB Output is correct