Submission #1075919

# Submission time Handle Problem Language Result Execution time Memory
1075919 2024-08-26T09:48:26 Z mdn2002 The Big Prize (IOI17_prize) C++14
94.61 / 100
46 ms 1556 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 = 0, r = xxx;
            while (l < r) {
                int mid = (l + r) / 2;
                if (i + mid >= n) r = mid;
                else {
                    vector<int> b = askk(i + 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:42:1: warning: control reaches end of non-void function [-Wreturn-type]
   42 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 5 ms 344 KB Output is correct
2 Correct 9 ms 344 KB Output is correct
3 Correct 4 ms 344 KB Output is correct
4 Correct 7 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 5 ms 344 KB Output is correct
8 Correct 3 ms 596 KB Output is correct
9 Correct 5 ms 600 KB Output is correct
10 Correct 6 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 6 ms 456 KB Output is correct
4 Correct 6 ms 508 KB Output is correct
5 Correct 5 ms 464 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 5 ms 344 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 6 ms 464 KB Output is correct
10 Correct 7 ms 640 KB Output is correct
11 Correct 5 ms 344 KB Output is correct
12 Correct 4 ms 344 KB Output is correct
13 Correct 9 ms 596 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 8 ms 344 KB Output is correct
16 Correct 16 ms 848 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 26 ms 928 KB Partially correct - number of queries: 5507
19 Correct 3 ms 344 KB Output is correct
20 Correct 13 ms 600 KB Output is correct
21 Correct 11 ms 600 KB Output is correct
22 Correct 4 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 Correct 18 ms 856 KB Output is correct
26 Correct 16 ms 856 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 32 ms 960 KB Partially correct - number of queries: 5494
29 Correct 25 ms 1000 KB Output is correct
30 Partially correct 34 ms 1440 KB Partially correct - number of queries: 5539
31 Correct 3 ms 344 KB Output is correct
32 Correct 9 ms 532 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 14 ms 508 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 8 ms 600 KB Output is correct
37 Correct 3 ms 344 KB Output is correct
38 Correct 3 ms 460 KB Output is correct
39 Correct 13 ms 680 KB Output is correct
40 Correct 20 ms 1260 KB Output is correct
41 Correct 10 ms 600 KB Output is correct
42 Correct 16 ms 848 KB Output is correct
43 Correct 13 ms 600 KB Output is correct
44 Correct 12 ms 636 KB Output is correct
45 Correct 15 ms 600 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 9 ms 600 KB Output is correct
48 Correct 18 ms 852 KB Output is correct
49 Correct 7 ms 344 KB Output is correct
50 Partially correct 19 ms 1104 KB Partially correct - number of queries: 5489
51 Correct 13 ms 600 KB Output is correct
52 Correct 3 ms 344 KB Output is correct
53 Correct 9 ms 600 KB Output is correct
54 Correct 13 ms 600 KB Output is correct
55 Correct 4 ms 600 KB Output is correct
56 Partially correct 29 ms 948 KB Partially correct - number of queries: 5501
57 Correct 13 ms 600 KB Output is correct
58 Correct 18 ms 756 KB Output is correct
59 Correct 13 ms 616 KB Output is correct
60 Correct 14 ms 1008 KB Output is correct
61 Correct 9 ms 344 KB Output is correct
62 Correct 2 ms 344 KB Output is correct
63 Correct 6 ms 344 KB Output is correct
64 Correct 3 ms 344 KB Output is correct
65 Correct 10 ms 344 KB Output is correct
66 Correct 10 ms 536 KB Output is correct
67 Correct 6 ms 344 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 9 ms 540 KB Output is correct
70 Correct 5 ms 344 KB Output is correct
71 Partially correct 45 ms 980 KB Partially correct - number of queries: 5250
72 Correct 7 ms 820 KB Output is correct
73 Partially correct 27 ms 768 KB Partially correct - number of queries: 5192
74 Partially correct 31 ms 1072 KB Partially correct - number of queries: 5217
75 Correct 7 ms 508 KB Output is correct
76 Correct 29 ms 1556 KB Output is correct
77 Partially correct 46 ms 868 KB Partially correct - number of queries: 5498
78 Correct 8 ms 596 KB Output is correct
79 Correct 20 ms 592 KB Output is correct
80 Partially correct 31 ms 1424 KB Partially correct - number of queries: 5501
81 Partially correct 38 ms 860 KB Partially correct - number of queries: 5488
82 Partially correct 33 ms 784 KB Partially correct - number of queries: 5430
83 Correct 5 ms 488 KB Output is correct
84 Correct 30 ms 1028 KB Output is correct
85 Partially correct 30 ms 848 KB Partially correct - number of queries: 5446
86 Correct 10 ms 600 KB Output is correct
87 Correct 6 ms 564 KB Output is correct
88 Correct 7 ms 344 KB Output is correct
89 Correct 6 ms 344 KB Output is correct
90 Correct 6 ms 344 KB Output is correct
91 Correct 10 ms 712 KB Output is correct
92 Correct 8 ms 760 KB Output is correct
93 Correct 8 ms 600 KB Output is correct
94 Correct 6 ms 552 KB Output is correct
95 Correct 7 ms 600 KB Output is correct
96 Correct 7 ms 344 KB Output is correct
97 Correct 6 ms 600 KB Output is correct