oj.uz

Submission #206577

# Submission time Handle Problem Language Result Execution time Memory
206577 2020-03-04T06:27:53 Z anonymous The Big Prize (IOI17_prize) C++14
100 / 100
 60 ms 9980 KB 
#include "prize.h"
#include<vector>
#include<map>
#include<utility>
#include<cassert>
#define MAXN 200005
using namespace std;
map<int, int> Q[MAXN];
int slv(int l, int r) {
    if (l > r) {return(-1);}
    int mid = (l + r) >> 1;
    vector<int> res = ask(mid);
    int tot = res[0] + res[1], resL=-1, resR=-1;
    if (tot == 0) {return(mid);}
    else if (l == r) {return(-1);}
    auto ptr1 = Q[tot].insert({mid, res[0]}).first, ptr2=ptr1;
    if ((ptr1 == Q[tot].begin() || (*(--ptr1)).second != res[0]) && res[0]) {
        resL = slv(l, mid-1);
        if (resL >= 0) {return(resL);}
    }
    if (((++ptr2) == Q[tot].end() || (*ptr2).second != res[0]) && res[1]) {
        resR = slv(mid+1, r);
        if (resR >= 0) {return(resR);}
    }
    return(-1);
}

int find_best(int n) {
	return(slv(0, n-1));
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9588 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 11 ms 9592 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9708 KB Output is correct
6 Correct 11 ms 9592 KB Output is correct
7 Correct 11 ms 9592 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 11 ms 9596 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9592 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 11 ms 9592 KB Output is correct
4 Correct 12 ms 9592 KB Output is correct
5 Correct 11 ms 9592 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9592 KB Output is correct
8 Correct 11 ms 9592 KB Output is correct
9 Correct 11 ms 9596 KB Output is correct
10 Correct 11 ms 9596 KB Output is correct
11 Correct 12 ms 9592 KB Output is correct
12 Correct 12 ms 9720 KB Output is correct
13 Correct 15 ms 9720 KB Output is correct
14 Correct 12 ms 9720 KB Output is correct
15 Correct 17 ms 9720 KB Output is correct
16 Correct 41 ms 9848 KB Output is correct
17 Correct 12 ms 9720 KB Output is correct
18 Correct 55 ms 9848 KB Output is correct
19 Correct 11 ms 9592 KB Output is correct
20 Correct 16 ms 9772 KB Output is correct
21 Correct 21 ms 9792 KB Output is correct
22 Correct 14 ms 9720 KB Output is correct
23 Correct 11 ms 9704 KB Output is correct
24 Correct 11 ms 9720 KB Output is correct
25 Correct 34 ms 9720 KB Output is correct
26 Correct 30 ms 9848 KB Output is correct
27 Correct 11 ms 9704 KB Output is correct
28 Correct 40 ms 9876 KB Output is correct
29 Correct 40 ms 9740 KB Output is correct
30 Correct 35 ms 9924 KB Output is correct
31 Correct 11 ms 9704 KB Output is correct
32 Correct 14 ms 9720 KB Output is correct
33 Correct 10 ms 9592 KB Output is correct
34 Correct 22 ms 9720 KB Output is correct
35 Correct 12 ms 9592 KB Output is correct
36 Correct 19 ms 9724 KB Output is correct
37 Correct 12 ms 9720 KB Output is correct
38 Correct 11 ms 9592 KB Output is correct
39 Correct 32 ms 9780 KB Output is correct
40 Correct 42 ms 9772 KB Output is correct
41 Correct 32 ms 9720 KB Output is correct
42 Correct 33 ms 9848 KB Output is correct
43 Correct 31 ms 9760 KB Output is correct
44 Correct 20 ms 9980 KB Output is correct
45 Correct 24 ms 9720 KB Output is correct
46 Correct 11 ms 9720 KB Output is correct
47 Correct 26 ms 9772 KB Output is correct
48 Correct 40 ms 9848 KB Output is correct
49 Correct 14 ms 9720 KB Output is correct
50 Correct 47 ms 9976 KB Output is correct
51 Correct 30 ms 9720 KB Output is correct
52 Correct 11 ms 9720 KB Output is correct
53 Correct 12 ms 9644 KB Output is correct
54 Correct 27 ms 9720 KB Output is correct
55 Correct 11 ms 9592 KB Output is correct
56 Correct 56 ms 9852 KB Output is correct
57 Correct 43 ms 9980 KB Output is correct
58 Correct 40 ms 9848 KB Output is correct
59 Correct 37 ms 9728 KB Output is correct
60 Correct 35 ms 9848 KB Output is correct
61 Correct 13 ms 9704 KB Output is correct
62 Correct 13 ms 9700 KB Output is correct
63 Correct 14 ms 9720 KB Output is correct
64 Correct 11 ms 9720 KB Output is correct
65 Correct 11 ms 9592 KB Output is correct
66 Correct 11 ms 9592 KB Output is correct
67 Correct 13 ms 9644 KB Output is correct
68 Correct 11 ms 9624 KB Output is correct
69 Correct 11 ms 9592 KB Output is correct
70 Correct 12 ms 9720 KB Output is correct
71 Correct 54 ms 9848 KB Output is correct
72 Correct 18 ms 9720 KB Output is correct
73 Correct 60 ms 9856 KB Output is correct
74 Correct 52 ms 9852 KB Output is correct
75 Correct 15 ms 9768 KB Output is correct
76 Correct 49 ms 9872 KB Output is correct
77 Correct 55 ms 9844 KB Output is correct
78 Correct 17 ms 9644 KB Output is correct
79 Correct 32 ms 9980 KB Output is correct
80 Correct 59 ms 9832 KB Output is correct
81 Correct 45 ms 9848 KB Output is correct
82 Correct 53 ms 9976 KB Output is correct
83 Correct 12 ms 9720 KB Output is correct
84 Correct 40 ms 9848 KB Output is correct
85 Correct 56 ms 9848 KB Output is correct
86 Correct 16 ms 9712 KB Output is correct
87 Correct 14 ms 9724 KB Output is correct
88 Correct 16 ms 9720 KB Output is correct
89 Correct 15 ms 9720 KB Output is correct
90 Correct 12 ms 9720 KB Output is correct
91 Correct 13 ms 9720 KB Output is correct
92 Correct 11 ms 9720 KB Output is correct
93 Correct 13 ms 9720 KB Output is correct
94 Correct 14 ms 9720 KB Output is correct
95 Correct 14 ms 9720 KB Output is correct
96 Correct 14 ms 9720 KB Output is correct
97 Correct 12 ms 9772 KB Output is correct