Submission #1075846

# Submission time Handle Problem Language Result Execution time Memory
1075846 2024-08-26T09:27:58 Z mdn2002 The Big Prize (IOI17_prize) C++14
20 / 100
58 ms 436 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int find_best(int n) {
	int mx = 0, lim = 500, xx = 100;

	while (xx --) {
        int i = rnd() % 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 = min(n - 1, i + lim);
                continue;
            }
            for (int j = 500; 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:32:1: warning: control reaches end of non-void function [-Wreturn-type]
   32 | }
      | ^
# 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 4 ms 344 KB Output is correct
4 Correct 4 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 3 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 4 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 2 ms 344 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 2 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 3 ms 344 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 340 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 4 ms 344 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 5 ms 344 KB Output is correct
16 Partially correct 20 ms 344 KB Partially correct - number of queries: 5183
17 Correct 1 ms 344 KB Output is correct
18 Partially correct 20 ms 344 KB Partially correct - number of queries: 6236
19 Correct 1 ms 344 KB Output is correct
20 Correct 11 ms 344 KB Output is correct
21 Correct 10 ms 344 KB Output is correct
22 Correct 3 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 14 ms 344 KB Output is correct
26 Correct 16 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Partially correct 32 ms 344 KB Partially correct - number of queries: 6280
29 Correct 17 ms 344 KB Output is correct
30 Partially correct 22 ms 344 KB Partially correct - number of queries: 6184
31 Correct 1 ms 344 KB Output is correct
32 Correct 4 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 13 ms 344 KB Output is correct
35 Correct 4 ms 344 KB Output is correct
36 Correct 6 ms 344 KB Output is correct
37 Correct 2 ms 344 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 15 ms 344 KB Output is correct
40 Partially correct 24 ms 344 KB Partially correct - number of queries: 5284
41 Correct 28 ms 344 KB Output is correct
42 Correct 25 ms 344 KB Output is correct
43 Correct 14 ms 344 KB Output is correct
44 Correct 7 ms 344 KB Output is correct
45 Correct 6 ms 344 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 13 ms 344 KB Output is correct
48 Correct 17 ms 344 KB Output is correct
49 Correct 3 ms 344 KB Output is correct
50 Partially correct 31 ms 344 KB Partially correct - number of queries: 6236
51 Correct 7 ms 344 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 5 ms 344 KB Output is correct
54 Correct 15 ms 344 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Partially correct 31 ms 344 KB Partially correct - number of queries: 6236
57 Correct 27 ms 344 KB Output is correct
58 Correct 25 ms 344 KB Output is correct
59 Correct 13 ms 344 KB Output is correct
60 Correct 15 ms 344 KB Output is correct
61 Correct 3 ms 344 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 5 ms 344 KB Output is correct
64 Correct 4 ms 436 KB Output is correct
65 Correct 5 ms 344 KB Output is correct
66 Correct 6 ms 344 KB Output is correct
67 Correct 3 ms 344 KB Output is correct
68 Correct 4 ms 344 KB Output is correct
69 Correct 10 ms 344 KB Output is correct
70 Correct 4 ms 344 KB Output is correct
71 Partially correct 27 ms 344 KB Partially correct - number of queries: 6362
72 Correct 5 ms 344 KB Output is correct
73 Partially correct 39 ms 344 KB Partially correct - number of queries: 6236
74 Partially correct 22 ms 344 KB Partially correct - number of queries: 6278
75 Correct 5 ms 344 KB Output is correct
76 Partially correct 37 ms 344 KB Partially correct - number of queries: 5503
77 Partially correct 26 ms 344 KB Partially correct - number of queries: 6329
78 Correct 5 ms 344 KB Output is correct
79 Correct 15 ms 344 KB Output is correct
80 Partially correct 24 ms 344 KB Partially correct - number of queries: 6332
81 Partially correct 36 ms 344 KB Partially correct - number of queries: 6310
82 Partially correct 49 ms 344 KB Partially correct - number of queries: 6296
83 Correct 4 ms 344 KB Output is correct
84 Partially correct 27 ms 344 KB Partially correct - number of queries: 5310
85 Partially correct 37 ms 344 KB Partially correct - number of queries: 6336
86 Partially correct 35 ms 344 KB Partially correct - number of queries: 6525
87 Correct 6 ms 344 KB Output is correct
88 Partially correct 27 ms 344 KB Partially correct - number of queries: 6078
89 Incorrect 58 ms 344 KB Incorrect
90 Halted 0 ms 0 KB -