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Submission #828226

# Submission time Handle Problem Language Result Execution time Memory
828226 2023-08-17T06:51:20 Z tolbi The Big Prize (IOI17_prize) C++17
100 / 100
 51 ms 896 KB 
#include <bits/stdc++.h>
using namespace std;
#include "prize.h"
mt19937 ayahya(chrono::high_resolution_clock().now().time_since_epoch().count());
int ans = -1;
map<int,vector<int>> mp;
inline vector<int> query(int x){
    if (mp.count(x)) return mp[x];
    return mp[x]=ask(x);
}
inline int querys(int x){
    return query(x)[0]+query(x)[1];
}
void solve(int l, int r){
    if (l==r){
        if (querys(l)==0) ans=l;
        return;
    }
    if (querys(l)<querys(r)){
        if (querys(l)==0){
            ans=l;
            return;
        }
        solve(l+1,r);
        return;
    }
    else if (querys(r)<querys(l)){
        if (querys(r)==0){
            ans=r;
            return;
        }
        solve(l,r-1);
        return;
    }
    if (query(l)[0]==query(r)[0]) return;
    int mid = l+(r-l)/2;
    solve(l,mid);
    solve(mid,r);
}
int find_best(int n) {
    solve(0,n-1);
    assert(ans!=-1);
    return ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 292 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 292 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 0 ms 296 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 292 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 292 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 3 ms 296 KB Output is correct
12 Correct 5 ms 296 KB Output is correct
13 Correct 5 ms 304 KB Output is correct
14 Correct 10 ms 316 KB Output is correct
15 Correct 42 ms 692 KB Output is correct
16 Correct 51 ms 664 KB Output is correct
17 Correct 34 ms 676 KB Output is correct
18 Correct 23 ms 780 KB Output is correct
19 Correct 22 ms 756 KB Output is correct
20 Correct 32 ms 596 KB Output is correct
21 Correct 34 ms 672 KB Output is correct
22 Correct 32 ms 636 KB Output is correct
23 Correct 1 ms 308 KB Output is correct
24 Correct 4 ms 336 KB Output is correct
25 Correct 43 ms 680 KB Output is correct
26 Correct 42 ms 732 KB Output is correct
27 Correct 1 ms 312 KB Output is correct
28 Correct 34 ms 664 KB Output is correct
29 Correct 18 ms 672 KB Output is correct
30 Correct 46 ms 672 KB Output is correct
31 Correct 42 ms 748 KB Output is correct
32 Correct 5 ms 296 KB Output is correct
33 Correct 1 ms 208 KB Output is correct
34 Correct 34 ms 724 KB Output is correct
35 Correct 2 ms 292 KB Output is correct
36 Correct 30 ms 688 KB Output is correct
37 Correct 3 ms 336 KB Output is correct
38 Correct 1 ms 208 KB Output is correct
39 Correct 34 ms 700 KB Output is correct
40 Correct 33 ms 676 KB Output is correct
41 Correct 36 ms 784 KB Output is correct
42 Correct 41 ms 896 KB Output is correct
43 Correct 43 ms 652 KB Output is correct
44 Correct 50 ms 704 KB Output is correct
45 Correct 21 ms 792 KB Output is correct
46 Correct 33 ms 892 KB Output is correct
47 Correct 44 ms 728 KB Output is correct
48 Correct 50 ms 744 KB Output is correct
49 Correct 28 ms 752 KB Output is correct
50 Correct 30 ms 760 KB Output is correct
51 Correct 49 ms 772 KB Output is correct
52 Correct 46 ms 712 KB Output is correct
53 Correct 2 ms 208 KB Output is correct
54 Correct 38 ms 672 KB Output is correct
55 Correct 35 ms 688 KB Output is correct
56 Correct 32 ms 716 KB Output is correct
57 Correct 26 ms 776 KB Output is correct
58 Correct 44 ms 672 KB Output is correct
59 Correct 45 ms 700 KB Output is correct
60 Correct 36 ms 764 KB Output is correct
61 Correct 2 ms 208 KB Output is correct
62 Correct 1 ms 308 KB Output is correct
63 Correct 1 ms 300 KB Output is correct
64 Correct 1 ms 304 KB Output is correct
65 Correct 0 ms 208 KB Output is correct
66 Correct 0 ms 292 KB Output is correct
67 Correct 7 ms 308 KB Output is correct
68 Correct 4 ms 336 KB Output is correct
69 Correct 1 ms 208 KB Output is correct
70 Correct 2 ms 208 KB Output is correct
71 Correct 40 ms 696 KB Output is correct
72 Correct 3 ms 336 KB Output is correct
73 Correct 48 ms 676 KB Output is correct
74 Correct 49 ms 784 KB Output is correct
75 Correct 2 ms 304 KB Output is correct
76 Correct 39 ms 728 KB Output is correct
77 Correct 23 ms 688 KB Output is correct
78 Correct 6 ms 316 KB Output is correct
79 Correct 27 ms 500 KB Output is correct
80 Correct 47 ms 792 KB Output is correct
81 Correct 38 ms 744 KB Output is correct
82 Correct 35 ms 756 KB Output is correct
83 Correct 1 ms 296 KB Output is correct
84 Correct 20 ms 676 KB Output is correct
85 Correct 46 ms 736 KB Output is correct
86 Correct 2 ms 424 KB Output is correct
87 Correct 1 ms 208 KB Output is correct
88 Correct 2 ms 208 KB Output is correct
89 Correct 2 ms 208 KB Output is correct
90 Correct 1 ms 208 KB Output is correct
91 Correct 2 ms 208 KB Output is correct
92 Correct 0 ms 300 KB Output is correct
93 Correct 4 ms 324 KB Output is correct
94 Correct 4 ms 348 KB Output is correct
95 Correct 3 ms 336 KB Output is correct
96 Correct 3 ms 324 KB Output is correct
97 Correct 0 ms 208 KB Output is correct