Submission #1075911

# Submission time Handle Problem Language Result Execution time Memory
1075911 2024-08-26T09:44:20 Z mdn2002 The Big Prize (IOI17_prize) C++14
90.11 / 100
45 ms 1296 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;
	}

	for (int i = 0; i < n; i ++) {
        vector<int> a = askk(i);
        if (a[0] + a[1] == mx) {
            if (i + 220 < n) {
                vector<int> c = askk(i + 220);
                if (a[1] == c[1]) {
                    i += 220;
                    continue;
                }
            }
            int l = 0, r = 220;
            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:41:1: warning: control reaches end of non-void function [-Wreturn-type]
   41 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 8 ms 600 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 8 ms 600 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 8 ms 600 KB Output is correct
8 Correct 5 ms 344 KB Output is correct
9 Correct 8 ms 540 KB Output is correct
10 Correct 15 ms 532 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 344 KB Output is correct
2 Correct 8 ms 664 KB Output is correct
3 Correct 9 ms 344 KB Output is correct
4 Correct 12 ms 492 KB Output is correct
5 Correct 9 ms 640 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 7 ms 492 KB Output is correct
8 Correct 7 ms 344 KB Output is correct
9 Correct 7 ms 672 KB Output is correct
10 Correct 12 ms 856 KB Output is correct
11 Correct 7 ms 600 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 15 ms 592 KB Output is correct
14 Correct 4 ms 460 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Correct 23 ms 848 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Partially correct 33 ms 848 KB Partially correct - number of queries: 5723
19 Correct 2 ms 344 KB Output is correct
20 Correct 9 ms 600 KB Output is correct
21 Correct 12 ms 600 KB Output is correct
22 Correct 8 ms 344 KB Output is correct
23 Correct 5 ms 344 KB Output is correct
24 Correct 3 ms 464 KB Output is correct
25 Correct 15 ms 856 KB Output is correct
26 Correct 23 ms 1100 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 29 ms 1212 KB Partially correct - number of queries: 5905
29 Correct 23 ms 1056 KB Output is correct
30 Partially correct 34 ms 1216 KB Partially correct - number of queries: 5989
31 Correct 2 ms 344 KB Output is correct
32 Correct 10 ms 592 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 10 ms 456 KB Output is correct
35 Correct 11 ms 600 KB Output is correct
36 Correct 9 ms 600 KB Output is correct
37 Correct 6 ms 344 KB Output is correct
38 Correct 3 ms 340 KB Output is correct
39 Correct 14 ms 648 KB Output is correct
40 Partially correct 30 ms 848 KB Partially correct - number of queries: 5721
41 Correct 13 ms 600 KB Output is correct
42 Correct 17 ms 600 KB Output is correct
43 Correct 13 ms 600 KB Output is correct
44 Correct 12 ms 564 KB Output is correct
45 Correct 11 ms 600 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 16 ms 848 KB Output is correct
48 Correct 21 ms 848 KB Output is correct
49 Correct 4 ms 344 KB Output is correct
50 Partially correct 28 ms 928 KB Partially correct - number of queries: 5729
51 Correct 13 ms 600 KB Output is correct
52 Correct 2 ms 344 KB Output is correct
53 Correct 10 ms 460 KB Output is correct
54 Correct 16 ms 696 KB Output is correct
55 Correct 3 ms 344 KB Output is correct
56 Partially correct 25 ms 880 KB Partially correct - number of queries: 5722
57 Correct 18 ms 1076 KB Output is correct
58 Correct 22 ms 1028 KB Output is correct
59 Correct 22 ms 1032 KB Output is correct
60 Correct 19 ms 696 KB Output is correct
61 Correct 14 ms 600 KB Output is correct
62 Correct 5 ms 344 KB Output is correct
63 Correct 13 ms 600 KB Output is correct
64 Correct 5 ms 600 KB Output is correct
65 Correct 16 ms 656 KB Output is correct
66 Correct 14 ms 1132 KB Output is correct
67 Correct 17 ms 608 KB Output is correct
68 Correct 2 ms 464 KB Output is correct
69 Correct 11 ms 600 KB Output is correct
70 Correct 12 ms 1160 KB Output is correct
71 Partially correct 35 ms 848 KB Partially correct - number of queries: 5742
72 Correct 18 ms 848 KB Output is correct
73 Partially correct 28 ms 848 KB Partially correct - number of queries: 5691
74 Partially correct 36 ms 1104 KB Partially correct - number of queries: 5712
75 Correct 12 ms 628 KB Output is correct
76 Partially correct 29 ms 896 KB Partially correct - number of queries: 5216
77 Partially correct 45 ms 1296 KB Partially correct - number of queries: 5910
78 Correct 8 ms 600 KB Output is correct
79 Correct 26 ms 848 KB Output is correct
80 Partially correct 29 ms 1104 KB Partially correct - number of queries: 5920
81 Partially correct 23 ms 848 KB Partially correct - number of queries: 5908
82 Partially correct 22 ms 952 KB Partially correct - number of queries: 5874
83 Correct 11 ms 856 KB Output is correct
84 Partially correct 25 ms 848 KB Partially correct - number of queries: 5199
85 Partially correct 28 ms 856 KB Partially correct - number of queries: 5882
86 Correct 10 ms 876 KB Output is correct
87 Correct 7 ms 600 KB Output is correct
88 Correct 7 ms 600 KB Output is correct
89 Correct 8 ms 596 KB Output is correct
90 Correct 10 ms 600 KB Output is correct
91 Correct 9 ms 600 KB Output is correct
92 Correct 11 ms 484 KB Output is correct
93 Correct 14 ms 488 KB Output is correct
94 Correct 9 ms 600 KB Output is correct
95 Correct 20 ms 792 KB Output is correct
96 Correct 12 ms 460 KB Output is correct
97 Correct 9 ms 756 KB Output is correct