Submission #1075826

# Submission time Handle Problem Language Result Execution time Memory
1075826 2024-08-26T09:21:21 Z mdn2002 The Big Prize (IOI17_prize) C++14
20 / 100
43 ms 600 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;

int find_best(int n) {
	int mx = 0, lim = 500, xx = 10;
	while (xx --) {
        int i = rand() % n;
        vector<int> a = ask(i);
        mx = max(mx, a[0] + a[1]);
	}

	for (int i = 0; i < n; i ++) {
        vector<int> a = ask(i);
        if (a[0] + a[1] == mx) {
            vector<int> c = ask(min(n - 1, i + lim));
            if (a[1] == c[1]) {
                i += lim;
                continue;
            }
            for (int j = (1 << 8); j >= 1; j = (j + 1) / 2) {
                if (i + j >= n) continue;
                vector<int> b = ask(i + j);
                if (a[1] == b[1]) i += j;
                if (j == 1) break;
            }
        }
        else if (a[0] + a[1] == 0) return i;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type]
   30 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 4 ms 344 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 4 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 424 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 3 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 3 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 2 ms 428 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 4 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 5 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 5 ms 424 KB Output is correct
16 Correct 28 ms 344 KB Output is correct
17 Correct 0 ms 600 KB Output is correct
18 Partially correct 28 ms 344 KB Partially correct - number of queries: 5674
19 Correct 1 ms 344 KB Output is correct
20 Correct 7 ms 344 KB Output is correct
21 Correct 7 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 15 ms 344 KB Output is correct
26 Correct 13 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Partially correct 43 ms 344 KB Partially correct - number of queries: 5746
29 Correct 16 ms 344 KB Output is correct
30 Partially correct 36 ms 344 KB Partially correct - number of queries: 5626
31 Correct 0 ms 344 KB Output is correct
32 Correct 5 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 8 ms 344 KB Output is correct
35 Correct 3 ms 344 KB Output is correct
36 Correct 6 ms 344 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 11 ms 344 KB Output is correct
40 Correct 15 ms 344 KB Output is correct
41 Correct 13 ms 344 KB Output is correct
42 Correct 14 ms 344 KB Output is correct
43 Correct 14 ms 344 KB Output is correct
44 Correct 10 ms 344 KB Output is correct
45 Correct 13 ms 344 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 9 ms 344 KB Output is correct
48 Correct 14 ms 344 KB Output is correct
49 Correct 2 ms 344 KB Output is correct
50 Partially correct 25 ms 344 KB Partially correct - number of queries: 5674
51 Correct 10 ms 344 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 4 ms 344 KB Output is correct
54 Correct 11 ms 344 KB Output is correct
55 Correct 0 ms 344 KB Output is correct
56 Partially correct 17 ms 344 KB Partially correct - number of queries: 5674
57 Correct 18 ms 344 KB Output is correct
58 Correct 18 ms 340 KB Output is correct
59 Correct 17 ms 344 KB Output is correct
60 Correct 13 ms 344 KB Output is correct
61 Correct 3 ms 596 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 2 ms 344 KB Output is correct
64 Correct 2 ms 344 KB Output is correct
65 Correct 5 ms 344 KB Output is correct
66 Correct 5 ms 340 KB Output is correct
67 Correct 4 ms 344 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 6 ms 344 KB Output is correct
70 Correct 3 ms 596 KB Output is correct
71 Partially correct 25 ms 344 KB Partially correct - number of queries: 5772
72 Correct 5 ms 344 KB Output is correct
73 Partially correct 41 ms 344 KB Partially correct - number of queries: 5702
74 Partially correct 26 ms 344 KB Partially correct - number of queries: 5734
75 Correct 3 ms 344 KB Output is correct
76 Partially correct 33 ms 344 KB Partially correct - number of queries: 5054
77 Partially correct 36 ms 344 KB Partially correct - number of queries: 5782
78 Correct 6 ms 344 KB Output is correct
79 Correct 13 ms 344 KB Output is correct
80 Partially correct 26 ms 344 KB Partially correct - number of queries: 5782
81 Partially correct 23 ms 344 KB Partially correct - number of queries: 5780
82 Partially correct 32 ms 344 KB Partially correct - number of queries: 5744
83 Correct 4 ms 344 KB Output is correct
84 Correct 33 ms 344 KB Output is correct
85 Partially correct 35 ms 344 KB Partially correct - number of queries: 5778
86 Incorrect 40 ms 344 KB Incorrect
87 Halted 0 ms 0 KB -