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Submission #1075696

# Submission time Handle Problem Language Result Execution time Memory
1075696 2024-08-26T08:40:46 Z mdn2002 The Big Prize (IOI17_prize) C++14
20 / 100
 68 ms 596 KB 
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;

int find_best(int n) {
	int mx = 0, lim = 450;
	for (int i = 0; i < min(n, lim); i ++) {
        vector<int> a = ask(i);
        mx = max(mx, a[0] + a[1]);
        if (a[0] + a[1] == 0) return i;
	}

	for (int i = 0; i < n; i ++) {
        vector<int> a = ask(i);
        if (a[0] + a[1] == mx) {
            for (int j = (1 << 20); j >= 1; j /= 2) {
                if (i + j >= n) continue;
                vector<int> b = ask(i + j);
                if (a[1] == b[1]) i += j;
            }
        }
        else if (a[0] + a[1] == 0) return i;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
   24 | }
      | ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 2 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 3 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 2 ms 344 KB Output is correct
5 Correct 3 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 7 ms 344 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Partially correct 37 ms 344 KB Partially correct - number of queries: 7971
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 68 ms 344 KB Partially correct - number of queries: 9286
19 Correct 3 ms 344 KB Output is correct
20 Correct 16 ms 344 KB Output is correct
21 Correct 20 ms 344 KB Output is correct
22 Correct 5 ms 344 KB Output is correct
23 Correct 3 ms 344 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Partially correct 26 ms 344 KB Partially correct - number of queries: 5435
26 Partially correct 26 ms 344 KB Partially correct - number of queries: 5354
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 39 ms 344 KB Partially correct - number of queries: 8836
29 Partially correct 38 ms 344 KB Partially correct - number of queries: 6801
30 Partially correct 41 ms 344 KB Partially correct - number of queries: 9210
31 Correct 2 ms 344 KB Output is correct
32 Correct 8 ms 544 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 16 ms 424 KB Output is correct
35 Correct 4 ms 432 KB Output is correct
36 Correct 13 ms 424 KB Output is correct
37 Correct 4 ms 424 KB Output is correct
38 Correct 3 ms 424 KB Output is correct
39 Correct 18 ms 344 KB Output is correct
40 Partially correct 47 ms 344 KB Partially correct - number of queries: 7938
41 Partially correct 31 ms 428 KB Partially correct - number of queries: 5724
42 Partially correct 30 ms 428 KB Partially correct - number of queries: 5724
43 Partially correct 29 ms 424 KB Partially correct - number of queries: 5206
44 Correct 15 ms 344 KB Output is correct
45 Correct 18 ms 428 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 22 ms 344 KB Output is correct
48 Partially correct 34 ms 344 KB Partially correct - number of queries: 6981
49 Correct 9 ms 344 KB Output is correct
50 Partially correct 68 ms 344 KB Partially correct - number of queries: 9286
51 Correct 21 ms 344 KB Output is correct
52 Correct 3 ms 344 KB Output is correct
53 Correct 2 ms 344 KB Output is correct
54 Correct 28 ms 344 KB Output is correct
55 Correct 2 ms 344 KB Output is correct
56 Partially correct 50 ms 344 KB Partially correct - number of queries: 9286
57 Partially correct 54 ms 344 KB Partially correct - number of queries: 6888
58 Partially correct 37 ms 344 KB Partially correct - number of queries: 7000
59 Partially correct 33 ms 344 KB Partially correct - number of queries: 5724
60 Partially correct 22 ms 344 KB Partially correct - number of queries: 5343
61 Correct 3 ms 344 KB Output is correct
62 Correct 2 ms 344 KB Output is correct
63 Correct 4 ms 344 KB Output is correct
64 Correct 3 ms 344 KB Output is correct
65 Correct 3 ms 344 KB Output is correct
66 Correct 5 ms 340 KB Output is correct
67 Correct 3 ms 344 KB Output is correct
68 Correct 3 ms 344 KB Output is correct
69 Correct 3 ms 344 KB Output is correct
70 Correct 3 ms 344 KB Output is correct
71 Partially correct 61 ms 344 KB Partially correct - number of queries: 9268
72 Correct 6 ms 344 KB Output is correct
73 Partially correct 45 ms 344 KB Partially correct - number of queries: 9136
74 Partially correct 56 ms 344 KB Partially correct - number of queries: 9190
75 Correct 3 ms 344 KB Output is correct
76 Partially correct 39 ms 344 KB Partially correct - number of queries: 7932
77 Partially correct 41 ms 344 KB Partially correct - number of queries: 9278
78 Correct 5 ms 344 KB Output is correct
79 Correct 27 ms 344 KB Output is correct
80 Partially correct 48 ms 340 KB Partially correct - number of queries: 9284
81 Partially correct 60 ms 344 KB Partially correct - number of queries: 9291
82 Partially correct 50 ms 344 KB Partially correct - number of queries: 9207
83 Correct 4 ms 596 KB Output is correct
84 Partially correct 42 ms 344 KB Partially correct - number of queries: 7649
85 Partially correct 64 ms 344 KB Partially correct - number of queries: 9306
86 Incorrect 66 ms 356 KB Incorrect
87 Halted 0 ms 0 KB -