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Submission #827395

# Submission time Handle Problem Language Result Execution time Memory
827395 2023-08-16T12:25:19 Z vjudge1 The Big Prize (IOI17_prize) C++14
100 / 100
 47 ms 11576 KB 
#include<bits/stdc++.h>
#include "prize.h"
#define fi first
#define se second
#define ll long long
using namespace std ;
const int N = 2e5 ;
set<int> s[N + 1] ;
pair<int, int> ax[N + 1] ;
int rec(int l, int r)
{
    if(l > r)
        return -1 ;
    int mid = (l + r) >> 1, sum, mx = -1 ;
    vector<int> v = ask(mid) ;
    ax[mid] = {v[0], v[1]} ;
    sum = v[0] + v[1] ;
    s[sum].insert(mid) ;
    if(!sum)
        return mid ;
    auto lf = (s[sum].lower_bound(mid)), rg = (s[sum].upper_bound(mid)) ;
    lf-- ;
    if(lf == s[sum].begin() || ax[*lf].fi != ax[mid].fi)
        mx = max(mx, rec(l, mid - 1)) ;
    if(rg == s[sum].end() || ax[mid].fi != ax[*rg].fi)
        mx = max(mx, rec(mid + 1, r)) ;
    return mx ;
}
int find_best(int n)
{
    return rec(0, n - 1) ;
}
//signed main()
//{
//    return 0 ;
//}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9696 KB Output is correct
2 Correct 4 ms 9696 KB Output is correct
3 Correct 5 ms 9680 KB Output is correct
4 Correct 4 ms 9680 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9712 KB Output is correct
7 Correct 6 ms 9696 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9688 KB Output is correct
10 Correct 5 ms 9680 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9764 KB Output is correct
2 Correct 5 ms 9680 KB Output is correct
3 Correct 5 ms 9704 KB Output is correct
4 Correct 5 ms 9696 KB Output is correct
5 Correct 5 ms 9700 KB Output is correct
6 Correct 5 ms 9692 KB Output is correct
7 Correct 5 ms 9680 KB Output is correct
8 Correct 5 ms 9704 KB Output is correct
9 Correct 5 ms 9700 KB Output is correct
10 Correct 4 ms 9708 KB Output is correct
11 Correct 7 ms 10204 KB Output is correct
12 Correct 11 ms 10216 KB Output is correct
13 Correct 11 ms 10344 KB Output is correct
14 Correct 11 ms 9808 KB Output is correct
15 Correct 26 ms 11448 KB Output is correct
16 Correct 37 ms 11352 KB Output is correct
17 Correct 22 ms 11436 KB Output is correct
18 Correct 39 ms 11388 KB Output is correct
19 Correct 28 ms 11576 KB Output is correct
20 Correct 25 ms 10508 KB Output is correct
21 Correct 47 ms 11368 KB Output is correct
22 Correct 27 ms 11304 KB Output is correct
23 Correct 5 ms 9908 KB Output is correct
24 Correct 7 ms 10240 KB Output is correct
25 Correct 20 ms 11316 KB Output is correct
26 Correct 32 ms 11260 KB Output is correct
27 Correct 6 ms 9828 KB Output is correct
28 Correct 33 ms 11224 KB Output is correct
29 Correct 28 ms 11228 KB Output is correct
30 Correct 43 ms 11460 KB Output is correct
31 Correct 37 ms 11332 KB Output is correct
32 Correct 8 ms 10212 KB Output is correct
33 Correct 4 ms 9680 KB Output is correct
34 Correct 23 ms 11412 KB Output is correct
35 Correct 8 ms 9936 KB Output is correct
36 Correct 24 ms 11524 KB Output is correct
37 Correct 7 ms 10140 KB Output is correct
38 Correct 5 ms 9892 KB Output is correct
39 Correct 38 ms 11416 KB Output is correct
40 Correct 33 ms 11332 KB Output is correct
41 Correct 33 ms 11384 KB Output is correct
42 Correct 30 ms 11392 KB Output is correct
43 Correct 35 ms 11392 KB Output is correct
44 Correct 23 ms 11424 KB Output is correct
45 Correct 22 ms 11336 KB Output is correct
46 Correct 34 ms 11352 KB Output is correct
47 Correct 31 ms 11336 KB Output is correct
48 Correct 44 ms 11412 KB Output is correct
49 Correct 23 ms 11412 KB Output is correct
50 Correct 22 ms 11548 KB Output is correct
51 Correct 29 ms 11480 KB Output is correct
52 Correct 34 ms 11400 KB Output is correct
53 Correct 7 ms 9824 KB Output is correct
54 Correct 33 ms 11356 KB Output is correct
55 Correct 41 ms 11340 KB Output is correct
56 Correct 30 ms 11356 KB Output is correct
57 Correct 28 ms 11356 KB Output is correct
58 Correct 38 ms 11408 KB Output is correct
59 Correct 37 ms 11356 KB Output is correct
60 Correct 32 ms 11392 KB Output is correct
61 Correct 5 ms 9888 KB Output is correct
62 Correct 7 ms 9936 KB Output is correct
63 Correct 5 ms 9824 KB Output is correct
64 Correct 5 ms 9904 KB Output is correct
65 Correct 5 ms 9704 KB Output is correct
66 Correct 5 ms 9704 KB Output is correct
67 Correct 4 ms 9808 KB Output is correct
68 Correct 5 ms 9680 KB Output is correct
69 Correct 5 ms 9696 KB Output is correct
70 Correct 5 ms 9696 KB Output is correct
71 Correct 30 ms 11456 KB Output is correct
72 Correct 7 ms 10212 KB Output is correct
73 Correct 35 ms 11376 KB Output is correct
74 Correct 37 ms 11376 KB Output is correct
75 Correct 5 ms 9808 KB Output is correct
76 Correct 32 ms 11328 KB Output is correct
77 Correct 34 ms 11420 KB Output is correct
78 Correct 8 ms 10320 KB Output is correct
79 Correct 26 ms 11140 KB Output is correct
80 Correct 34 ms 11408 KB Output is correct
81 Correct 42 ms 11432 KB Output is correct
82 Correct 35 ms 11364 KB Output is correct
83 Correct 6 ms 9936 KB Output is correct
84 Correct 19 ms 11320 KB Output is correct
85 Correct 38 ms 11448 KB Output is correct
86 Correct 12 ms 10192 KB Output is correct
87 Correct 8 ms 10064 KB Output is correct
88 Correct 10 ms 10140 KB Output is correct
89 Correct 8 ms 10128 KB Output is correct
90 Correct 5 ms 9936 KB Output is correct
91 Correct 6 ms 9936 KB Output is correct
92 Correct 4 ms 9680 KB Output is correct
93 Correct 6 ms 10064 KB Output is correct
94 Correct 6 ms 10064 KB Output is correct
95 Correct 8 ms 10064 KB Output is correct
96 Correct 5 ms 10032 KB Output is correct
97 Correct 4 ms 9680 KB Output is correct