Submission #1075924

# Submission time Handle Problem Language Result Execution time Memory
1075924 2024-08-26T09:49:19 Z mdn2002 The Big Prize (IOI17_prize) C++14
90 / 100
36 ms 1404 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 = 400;
	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 600 KB Output is correct
2 Correct 5 ms 344 KB Output is correct
3 Correct 5 ms 600 KB Output is correct
4 Correct 7 ms 344 KB Output is correct
5 Correct 8 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 5 ms 504 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 6 ms 528 KB Output is correct
10 Correct 5 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 7 ms 460 KB Output is correct
3 Correct 3 ms 344 KB Output is correct
4 Correct 10 ms 1116 KB Output is correct
5 Correct 4 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 5 ms 428 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 5 ms 344 KB Output is correct
10 Correct 5 ms 600 KB Output is correct
11 Correct 5 ms 596 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 9 ms 600 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 7 ms 344 KB Output is correct
16 Partially correct 30 ms 1288 KB Partially correct - number of queries: 5183
17 Correct 3 ms 440 KB Output is correct
18 Partially correct 31 ms 1224 KB Partially correct - number of queries: 6157
19 Correct 3 ms 344 KB Output is correct
20 Correct 15 ms 592 KB Output is correct
21 Correct 16 ms 876 KB Output is correct
22 Correct 5 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 13 ms 600 KB Output is correct
26 Correct 18 ms 1404 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Partially correct 25 ms 896 KB Partially correct - number of queries: 5517
29 Correct 23 ms 1064 KB Output is correct
30 Partially correct 30 ms 1072 KB Partially correct - number of queries: 6115
31 Correct 3 ms 472 KB Output is correct
32 Correct 8 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 12 ms 600 KB Output is correct
35 Correct 5 ms 344 KB Output is correct
36 Correct 9 ms 600 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 14 ms 684 KB Output is correct
40 Partially correct 24 ms 1048 KB Partially correct - number of queries: 5291
41 Correct 15 ms 692 KB Output is correct
42 Correct 17 ms 792 KB Output is correct
43 Correct 11 ms 600 KB Output is correct
44 Correct 12 ms 600 KB Output is correct
45 Correct 11 ms 600 KB Output is correct
46 Correct 3 ms 344 KB Output is correct
47 Correct 14 ms 856 KB Output is correct
48 Correct 26 ms 704 KB Output is correct
49 Correct 6 ms 344 KB Output is correct
50 Partially correct 31 ms 1104 KB Partially correct - number of queries: 6157
51 Correct 14 ms 600 KB Output is correct
52 Correct 2 ms 344 KB Output is correct
53 Correct 6 ms 344 KB Output is correct
54 Correct 12 ms 848 KB Output is correct
55 Correct 3 ms 344 KB Output is correct
56 Partially correct 22 ms 848 KB Partially correct - number of queries: 6157
57 Correct 23 ms 1104 KB Output is correct
58 Correct 16 ms 856 KB Output is correct
59 Correct 25 ms 688 KB Output is correct
60 Correct 17 ms 600 KB Output is correct
61 Correct 11 ms 600 KB Output is correct
62 Correct 3 ms 344 KB Output is correct
63 Correct 8 ms 344 KB Output is correct
64 Correct 4 ms 340 KB Output is correct
65 Correct 7 ms 344 KB Output is correct
66 Correct 15 ms 496 KB Output is correct
67 Correct 6 ms 344 KB Output is correct
68 Correct 3 ms 344 KB Output is correct
69 Correct 7 ms 848 KB Output is correct
70 Correct 7 ms 344 KB Output is correct
71 Partially correct 31 ms 960 KB Partially correct - number of queries: 5322
72 Correct 13 ms 600 KB Output is correct
73 Partially correct 25 ms 848 KB Partially correct - number of queries: 5266
74 Partially correct 35 ms 848 KB Partially correct - number of queries: 5290
75 Correct 7 ms 600 KB Output is correct
76 Correct 26 ms 848 KB Output is correct
77 Partially correct 33 ms 1180 KB Partially correct - number of queries: 5510
78 Correct 9 ms 592 KB Output is correct
79 Correct 21 ms 1116 KB Output is correct
80 Partially correct 27 ms 1112 KB Partially correct - number of queries: 5499
81 Partially correct 24 ms 1380 KB Partially correct - number of queries: 5497
82 Partially correct 31 ms 952 KB Partially correct - number of queries: 5442
83 Correct 8 ms 540 KB Output is correct
84 Correct 21 ms 892 KB Output is correct
85 Partially correct 36 ms 868 KB Partially correct - number of queries: 5477
86 Correct 12 ms 768 KB Output is correct
87 Correct 5 ms 344 KB Output is correct
88 Correct 8 ms 592 KB Output is correct
89 Correct 6 ms 344 KB Output is correct
90 Correct 5 ms 344 KB Output is correct
91 Correct 8 ms 600 KB Output is correct
92 Correct 5 ms 600 KB Output is correct
93 Correct 5 ms 600 KB Output is correct
94 Correct 8 ms 600 KB Output is correct
95 Correct 8 ms 856 KB Output is correct
96 Correct 10 ms 600 KB Output is correct
97 Correct 6 ms 344 KB Output is correct