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Submission #1030969

# Submission time Handle Problem Language Result Execution time Memory
1030969 2024-07-22T13:02:30 Z coolboy19521 The Big Prize (IOI17_prize) C++17
20 / 100
 49 ms 5668 KB 
#include "prize.h"
#include "iostream"
 
using namespace std;

const int sz = 2e5 + 10;

vector<int> bf[sz];

vector<int> Ask(int x) {
    if (bf[x].size()) return bf[x];
    return bf[x] = ask(x);
}
 
int find_best(int n) {
    int mx = 0, xx = 600;
    for (int i = 0; i < min(n, 600); i ++) {
        auto pr = Ask(i);
        mx = max(mx, pr[0] + pr[1]);
        if (0 == pr[0] + pr[1]) return i;
        if (25 < mx) {
            xx = i + 1;
            break;
        }
    }
    int ls = xx;
    while (ls < n) {
        int ps = -1;
        for (; ls < n; ls ++) {
            auto pr = Ask(ls);
            int sm = pr[0] + pr[1];
            if (0 == sm) return ls;
            if (sm == mx) {
                ps = pr[1];
                break;
            }
        }
        int ds = xx;
        int rs = n;
        while (1 < rs - ds) {
            int mi = (ds + rs) / 2;
            if (mi <= ls) {
                ds = mi;
                continue;
            }
            auto pr = Ask(mi);
            int sm = pr[0] + pr[1];
            if (0 == sm) return mi;
            if (sm != mx) rs = mi;
            if (0 == ps - pr[1]) ds = mi;
            else rs = mi;
        }
        ls = ds + 1;
    }
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4952 KB Output is correct
2 Correct 4 ms 4952 KB Output is correct
3 Correct 3 ms 5160 KB Output is correct
4 Correct 4 ms 5144 KB Output is correct
5 Correct 3 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 5 ms 4952 KB Output is correct
8 Correct 4 ms 5140 KB Output is correct
9 Correct 4 ms 4952 KB Output is correct
10 Correct 4 ms 4952 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4952 KB Output is correct
2 Correct 4 ms 4952 KB Output is correct
3 Correct 4 ms 4952 KB Output is correct
4 Correct 5 ms 4952 KB Output is correct
5 Correct 4 ms 4952 KB Output is correct
6 Correct 1 ms 4952 KB Output is correct
7 Correct 5 ms 4952 KB Output is correct
8 Correct 4 ms 4952 KB Output is correct
9 Correct 3 ms 4952 KB Output is correct
10 Correct 4 ms 5140 KB Output is correct
11 Correct 2 ms 4952 KB Output is correct
12 Correct 2 ms 4952 KB Output is correct
13 Correct 4 ms 4952 KB Output is correct
14 Correct 3 ms 4952 KB Output is correct
15 Correct 4 ms 5116 KB Output is correct
16 Correct 20 ms 5464 KB Output is correct
17 Correct 1 ms 4952 KB Output is correct
18 Correct 18 ms 5208 KB Output is correct
19 Correct 2 ms 4952 KB Output is correct
20 Correct 8 ms 5208 KB Output is correct
21 Correct 7 ms 5164 KB Output is correct
22 Correct 3 ms 4952 KB Output is correct
23 Correct 4 ms 4952 KB Output is correct
24 Correct 1 ms 4952 KB Output is correct
25 Correct 12 ms 4952 KB Output is correct
26 Correct 14 ms 4952 KB Output is correct
27 Correct 5 ms 5208 KB Output is correct
28 Correct 17 ms 5212 KB Output is correct
29 Correct 14 ms 5212 KB Output is correct
30 Correct 32 ms 5668 KB Output is correct
31 Correct 1 ms 4952 KB Output is correct
32 Correct 3 ms 4952 KB Output is correct
33 Correct 1 ms 4952 KB Output is correct
34 Correct 8 ms 5136 KB Output is correct
35 Correct 4 ms 4952 KB Output is correct
36 Correct 8 ms 4952 KB Output is correct
37 Correct 2 ms 4952 KB Output is correct
38 Correct 4 ms 4952 KB Output is correct
39 Correct 10 ms 4952 KB Output is correct
40 Correct 20 ms 5216 KB Output is correct
41 Correct 11 ms 5208 KB Output is correct
42 Correct 12 ms 5172 KB Output is correct
43 Correct 8 ms 4952 KB Output is correct
44 Correct 11 ms 5152 KB Output is correct
45 Correct 5 ms 4952 KB Output is correct
46 Correct 1 ms 4952 KB Output is correct
47 Correct 12 ms 5168 KB Output is correct
48 Correct 17 ms 5208 KB Output is correct
49 Correct 3 ms 4952 KB Output is correct
50 Correct 23 ms 5496 KB Output is correct
51 Correct 7 ms 5208 KB Output is correct
52 Correct 1 ms 4952 KB Output is correct
53 Correct 4 ms 5128 KB Output is correct
54 Correct 10 ms 5208 KB Output is correct
55 Correct 1 ms 4952 KB Output is correct
56 Correct 27 ms 5208 KB Output is correct
57 Correct 16 ms 5204 KB Output is correct
58 Correct 22 ms 5464 KB Output is correct
59 Correct 9 ms 5168 KB Output is correct
60 Correct 11 ms 5208 KB Output is correct
61 Correct 4 ms 4952 KB Output is correct
62 Correct 4 ms 4952 KB Output is correct
63 Correct 3 ms 4952 KB Output is correct
64 Correct 4 ms 4952 KB Output is correct
65 Correct 1 ms 4952 KB Output is correct
66 Correct 3 ms 4952 KB Output is correct
67 Correct 1 ms 4952 KB Output is correct
68 Correct 3 ms 4952 KB Output is correct
69 Correct 3 ms 4952 KB Output is correct
70 Correct 1 ms 4952 KB Output is correct
71 Correct 23 ms 5200 KB Output is correct
72 Correct 4 ms 4952 KB Output is correct
73 Correct 22 ms 5200 KB Output is correct
74 Correct 18 ms 5200 KB Output is correct
75 Correct 4 ms 4952 KB Output is correct
76 Correct 16 ms 5192 KB Output is correct
77 Partially correct 26 ms 5208 KB Partially correct - number of queries: 5004
78 Correct 3 ms 5136 KB Output is correct
79 Correct 8 ms 5204 KB Output is correct
80 Correct 26 ms 5516 KB Output is correct
81 Partially correct 24 ms 5440 KB Partially correct - number of queries: 5028
82 Correct 26 ms 5176 KB Output is correct
83 Correct 3 ms 4952 KB Output is correct
84 Correct 17 ms 5208 KB Output is correct
85 Correct 21 ms 5456 KB Output is correct
86 Incorrect 49 ms 5456 KB Incorrect
87 Halted 0 ms 0 KB -