oj.uz

Submission #89232

# Submission time Handle Problem Language Result Execution time Memory
89232 2018-12-11T05:31:15 Z zoomswk The Big Prize (IOI17_prize) C++17
90 / 100
 94 ms 576 KB 
#include "prize.h"
#include <vector>
#include <algorithm>
using namespace std;

int find_best(int n) {
    if(n <= 3000){
        for(int i=0; i<n; i++){
            vector<int> resp = ask(i);
            if(resp[0]+resp[1] == 0) return i;
        }
    }
    vector<int> resp;
    int m = 0;
    for(int i=0; i<500; i++){
        resp = ask(i);
        if(resp[0]+resp[1] == 0) return i;
        m = max(m, resp[0]+resp[1]);
    }
    int bnd=0;
    for(int i=0; i<m; i++){
        int l=bnd, r=n-1, res=-1;
        while(l<=r){
            int mid = (l+r)/2;
            resp = ask(mid);
            if(resp[0]+resp[1] == 0) return mid;
            if(resp[0]+resp[1] != m) res = mid, r = mid-1;
            else if(resp[0] == i) l = mid+1;
            else r = mid-1;
        }
        bnd = res+1;
    }
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 248 KB Output is correct
2 Correct 4 ms 324 KB Output is correct
3 Correct 8 ms 352 KB Output is correct
4 Correct 4 ms 532 KB Output is correct
5 Correct 7 ms 532 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 7 ms 532 KB Output is correct
8 Correct 4 ms 532 KB Output is correct
9 Correct 7 ms 532 KB Output is correct
10 Correct 7 ms 532 KB Output is correct

Subtask #2
70.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 552 KB Output is correct
2 Correct 7 ms 552 KB Output is correct
3 Correct 4 ms 576 KB Output is correct
4 Correct 4 ms 576 KB Output is correct
5 Correct 4 ms 576 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 8 ms 576 KB Output is correct
8 Correct 4 ms 576 KB Output is correct
9 Correct 4 ms 576 KB Output is correct
10 Correct 9 ms 576 KB Output is correct
11 Correct 10 ms 576 KB Output is correct
12 Correct 4 ms 576 KB Output is correct
13 Correct 14 ms 576 KB Output is correct
14 Correct 5 ms 576 KB Output is correct
15 Correct 13 ms 576 KB Output is correct
16 Partially correct 43 ms 576 KB Partially correct - number of queries: 7049
17 Correct 3 ms 576 KB Output is correct
18 Partially correct 88 ms 576 KB Partially correct - number of queries: 8165
19 Correct 6 ms 576 KB Output is correct
20 Correct 12 ms 576 KB Output is correct
21 Correct 36 ms 576 KB Output is correct
22 Correct 12 ms 576 KB Output is correct
23 Correct 7 ms 576 KB Output is correct
24 Correct 4 ms 576 KB Output is correct
25 Correct 26 ms 576 KB Output is correct
26 Correct 27 ms 576 KB Output is correct
27 Correct 4 ms 576 KB Output is correct
28 Partially correct 72 ms 576 KB Partially correct - number of queries: 7823
29 Partially correct 67 ms 576 KB Partially correct - number of queries: 6045
30 Partially correct 58 ms 576 KB Partially correct - number of queries: 8100
31 Correct 6 ms 576 KB Output is correct
32 Correct 6 ms 576 KB Output is correct
33 Correct 2 ms 576 KB Output is correct
34 Correct 34 ms 576 KB Output is correct
35 Correct 8 ms 576 KB Output is correct
36 Correct 18 ms 576 KB Output is correct
37 Correct 10 ms 576 KB Output is correct
38 Correct 4 ms 576 KB Output is correct
39 Correct 46 ms 576 KB Output is correct
40 Partially correct 65 ms 576 KB Partially correct - number of queries: 6990
41 Partially correct 26 ms 576 KB Partially correct - number of queries: 5109
42 Partially correct 62 ms 576 KB Partially correct - number of queries: 5109
43 Correct 32 ms 576 KB Output is correct
44 Correct 35 ms 576 KB Output is correct
45 Correct 22 ms 576 KB Output is correct
46 Correct 4 ms 576 KB Output is correct
47 Correct 20 ms 576 KB Output is correct
48 Partially correct 62 ms 576 KB Partially correct - number of queries: 6189
49 Correct 14 ms 576 KB Output is correct
50 Partially correct 73 ms 576 KB Partially correct - number of queries: 8154
51 Correct 34 ms 576 KB Output is correct
52 Correct 6 ms 576 KB Output is correct
53 Correct 4 ms 576 KB Output is correct
54 Correct 33 ms 576 KB Output is correct
55 Correct 4 ms 576 KB Output is correct
56 Partially correct 56 ms 576 KB Partially correct - number of queries: 8162
57 Partially correct 55 ms 576 KB Partially correct - number of queries: 6110
58 Partially correct 59 ms 576 KB Partially correct - number of queries: 6206
59 Partially correct 46 ms 576 KB Partially correct - number of queries: 5109
60 Correct 44 ms 576 KB Output is correct
61 Correct 4 ms 576 KB Output is correct
62 Correct 6 ms 576 KB Output is correct
63 Correct 8 ms 576 KB Output is correct
64 Correct 9 ms 576 KB Output is correct
65 Correct 12 ms 576 KB Output is correct
66 Correct 31 ms 576 KB Output is correct
67 Correct 4 ms 576 KB Output is correct
68 Correct 3 ms 576 KB Output is correct
69 Correct 16 ms 576 KB Output is correct
70 Correct 7 ms 576 KB Output is correct
71 Partially correct 79 ms 576 KB Partially correct - number of queries: 8301
72 Correct 15 ms 576 KB Output is correct
73 Partially correct 94 ms 576 KB Partially correct - number of queries: 8184
74 Partially correct 73 ms 576 KB Partially correct - number of queries: 8256
75 Correct 4 ms 576 KB Output is correct
76 Partially correct 63 ms 576 KB Partially correct - number of queries: 7141
77 Partially correct 80 ms 576 KB Partially correct - number of queries: 8160
78 Correct 7 ms 576 KB Output is correct
79 Correct 30 ms 576 KB Output is correct
80 Partially correct 49 ms 576 KB Partially correct - number of queries: 8164
81 Partially correct 82 ms 576 KB Partially correct - number of queries: 8146
82 Partially correct 66 ms 576 KB Partially correct - number of queries: 8132
83 Correct 4 ms 576 KB Output is correct
84 Partially correct 32 ms 576 KB Partially correct - number of queries: 6779
85 Partially correct 37 ms 576 KB Partially correct - number of queries: 8214
86 Partially correct 62 ms 576 KB Partially correct - number of queries: 8525
87 Correct 12 ms 576 KB Output is correct
88 Partially correct 40 ms 576 KB Partially correct - number of queries: 8066
89 Partially correct 72 ms 576 KB Partially correct - number of queries: 8457
90 Correct 8 ms 576 KB Output is correct
91 Partially correct 59 ms 576 KB Partially correct - number of queries: 5125
92 Partially correct 40 ms 576 KB Partially correct - number of queries: 8100
93 Partially correct 42 ms 576 KB Partially correct - number of queries: 8517
94 Partially correct 84 ms 576 KB Partially correct - number of queries: 8514
95 Partially correct 74 ms 576 KB Partially correct - number of queries: 8504
96 Partially correct 82 ms 576 KB Partially correct - number of queries: 8431
97 Partially correct 83 ms 576 KB Partially correct - number of queries: 8100