Submission #1075936

# Submission time Handle Problem Language Result Execution time Memory
1075936 2024-08-26T09:52:13 Z mdn2002 The Big Prize (IOI17_prize) C++14
94.61 / 100
41 ms 1624 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
map<int, vector<int>> mp;
vector<int> askk (int x) {
    if (mp.count(x) == 0) return mp[x] = ask(x);
    return mp[x];
}
int find_best(int n) {
	int mx = 0, lim = 500;
	for (int i = 0; i < min(n, lim); i ++) {
        vector<int> a = askk(i);
        mx = max(mx, a[0] + a[1]);
        if (a[0] + a[1] == 0) return i;
	}

	int xxx = 500;
	for (int i = 0; i < n; i ++) {
        vector<int> a = askk(i);
        if (a[0] + a[1] == mx) {
            if (i + xxx < n) {
                vector<int> c = askk(i + xxx);
                if (a[1] == c[1]) {
                    i += xxx;
                    continue;
                }
            }
            int l = i, r = min(n - 1, i + xxx);
            while (l < r) {
                int mid = (l + r) / 2;
                vector<int> b = askk(mid);
                if (a[1] == b[1]) l = mid + 1;
                else r = mid;
                
            }
            i = l - 1;
        }
        else if (a[0] + a[1] == 0) return i;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
   40 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 7 ms 344 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 7 ms 456 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 7 ms 344 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 7 ms 344 KB Output is correct
10 Correct 7 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 448 KB Output is correct
2 Correct 6 ms 1160 KB Output is correct
3 Correct 6 ms 344 KB Output is correct
4 Correct 5 ms 344 KB Output is correct
5 Correct 5 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 5 ms 464 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 6 ms 344 KB Output is correct
11 Correct 5 ms 540 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 6 ms 600 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 22 ms 1084 KB Output is correct
17 Correct 3 ms 460 KB Output is correct
18 Partially correct 32 ms 916 KB Partially correct - number of queries: 5507
19 Correct 3 ms 344 KB Output is correct
20 Correct 13 ms 1372 KB Output is correct
21 Correct 14 ms 564 KB Output is correct
22 Correct 5 ms 692 KB Output is correct
23 Correct 5 ms 436 KB Output is correct
24 Correct 4 ms 428 KB Output is correct
25 Correct 21 ms 744 KB Output is correct
26 Correct 21 ms 1624 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 41 ms 1040 KB Partially correct - number of queries: 5494
29 Correct 28 ms 720 KB Output is correct
30 Partially correct 37 ms 964 KB Partially correct - number of queries: 5539
31 Correct 2 ms 344 KB Output is correct
32 Correct 7 ms 452 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 10 ms 428 KB Output is correct
35 Correct 4 ms 520 KB Output is correct
36 Correct 8 ms 600 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 11 ms 600 KB Output is correct
40 Correct 19 ms 1108 KB Output is correct
41 Correct 10 ms 600 KB Output is correct
42 Correct 11 ms 592 KB Output is correct
43 Correct 14 ms 848 KB Output is correct
44 Correct 10 ms 616 KB Output is correct
45 Correct 14 ms 668 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 19 ms 896 KB Output is correct
48 Correct 20 ms 968 KB Output is correct
49 Correct 4 ms 344 KB Output is correct
50 Partially correct 28 ms 848 KB Partially correct - number of queries: 5489
51 Correct 12 ms 492 KB Output is correct
52 Correct 2 ms 344 KB Output is correct
53 Correct 7 ms 600 KB Output is correct
54 Correct 11 ms 580 KB Output is correct
55 Correct 3 ms 344 KB Output is correct
56 Partially correct 23 ms 1100 KB Partially correct - number of queries: 5501
57 Correct 13 ms 600 KB Output is correct
58 Correct 25 ms 832 KB Output is correct
59 Correct 25 ms 628 KB Output is correct
60 Correct 24 ms 856 KB Output is correct
61 Correct 4 ms 344 KB Output is correct
62 Correct 2 ms 344 KB Output is correct
63 Correct 7 ms 344 KB Output is correct
64 Correct 5 ms 600 KB Output is correct
65 Correct 12 ms 728 KB Output is correct
66 Correct 11 ms 864 KB Output is correct
67 Correct 7 ms 344 KB Output is correct
68 Correct 3 ms 344 KB Output is correct
69 Correct 8 ms 600 KB Output is correct
70 Correct 10 ms 1300 KB Output is correct
71 Partially correct 32 ms 848 KB Partially correct - number of queries: 5250
72 Correct 8 ms 600 KB Output is correct
73 Partially correct 35 ms 1104 KB Partially correct - number of queries: 5192
74 Partially correct 30 ms 1208 KB Partially correct - number of queries: 5217
75 Correct 7 ms 520 KB Output is correct
76 Correct 26 ms 1208 KB Output is correct
77 Partially correct 32 ms 1120 KB Partially correct - number of queries: 5498
78 Correct 8 ms 600 KB Output is correct
79 Correct 18 ms 804 KB Output is correct
80 Partially correct 20 ms 1176 KB Partially correct - number of queries: 5501
81 Partially correct 33 ms 788 KB Partially correct - number of queries: 5488
82 Partially correct 27 ms 1408 KB Partially correct - number of queries: 5430
83 Correct 4 ms 532 KB Output is correct
84 Correct 22 ms 964 KB Output is correct
85 Partially correct 22 ms 848 KB Partially correct - number of queries: 5446
86 Correct 7 ms 344 KB Output is correct
87 Correct 7 ms 520 KB Output is correct
88 Correct 6 ms 600 KB Output is correct
89 Correct 7 ms 600 KB Output is correct
90 Correct 7 ms 344 KB Output is correct
91 Correct 5 ms 600 KB Output is correct
92 Correct 6 ms 600 KB Output is correct
93 Correct 7 ms 344 KB Output is correct
94 Correct 8 ms 344 KB Output is correct
95 Correct 6 ms 600 KB Output is correct
96 Correct 6 ms 344 KB Output is correct
97 Correct 6 ms 600 KB Output is correct