Submission #1063151

# Submission time Handle Problem Language Result Execution time Memory
1063151 2024-08-17T14:41:40 Z ArthuroWich The Big Prize (IOI17_prize) C++17
90 / 100
49 ms 11604 KB
#include"prize.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<int>> seg(200005, {-1, -1});
int ans = -1, mx = 0;
void check(int i) {
    if (seg[i][0] == seg[i][1] && seg[i][0] == 0) {
        ans = i;
    }
}
void Ask(int i) {
    if (seg[i][0] == -1) {
        seg[i] = ask(i);
        mx = max(mx, seg[i][0]+seg[i][1]);
        check(i);
    }
}
void calc(int l, int r, int xl, int xr) {
    if (ans != -1) {
        return;
    }
    if (l == r) {
        ask(l);
        return;
    }
    if (xl+xr >= mx) {
        return;
    }
    int m1 = (l+r)/2, m2 = (l+r)/2;
    Ask(l);
    for (; m1 > l; m1--) {
        Ask(m1);
        if (ans != -1) {
            return;
        }
        if (seg[m1][0]+seg[m1][1] == mx) {
            break;
        }
    }
    calc(l, m1, xl, seg[m1][1]);
    if (ans != -1) {
        return;
    }
    Ask(r);
    for (; m2 < r; m2++) {
        Ask(m2);
        if (ans != -1) {
            return;
        }
        if (seg[m2][0]+seg[m2][1] == mx) {
            break;
        }
    }
    calc(m2, r, seg[m2][0], xr);
}
int find_best(int n) {
    for (int i = 0; i < min(n, 600); i++) {
        Ask(i);
    }
    calc(0, n-1, 0, 0);
    return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 11 ms 11352 KB Output is correct
2 Correct 12 ms 11352 KB Output is correct
3 Correct 14 ms 11352 KB Output is correct
4 Correct 11 ms 11352 KB Output is correct
5 Correct 10 ms 11352 KB Output is correct
6 Correct 10 ms 11352 KB Output is correct
7 Correct 13 ms 11352 KB Output is correct
8 Correct 12 ms 11352 KB Output is correct
9 Correct 10 ms 11352 KB Output is correct
10 Correct 11 ms 11352 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 11352 KB Output is correct
2 Correct 11 ms 11352 KB Output is correct
3 Correct 10 ms 11352 KB Output is correct
4 Correct 10 ms 11352 KB Output is correct
5 Correct 10 ms 11352 KB Output is correct
6 Correct 11 ms 11352 KB Output is correct
7 Correct 11 ms 11352 KB Output is correct
8 Correct 10 ms 11360 KB Output is correct
9 Correct 10 ms 11352 KB Output is correct
10 Correct 16 ms 11352 KB Output is correct
11 Correct 15 ms 11352 KB Output is correct
12 Correct 12 ms 11352 KB Output is correct
13 Correct 11 ms 11352 KB Output is correct
14 Correct 11 ms 11352 KB Output is correct
15 Correct 16 ms 11352 KB Output is correct
16 Correct 36 ms 11352 KB Output is correct
17 Correct 11 ms 11352 KB Output is correct
18 Partially correct 47 ms 11352 KB Partially correct - number of queries: 5693
19 Correct 10 ms 11352 KB Output is correct
20 Correct 16 ms 11352 KB Output is correct
21 Correct 19 ms 11352 KB Output is correct
22 Correct 11 ms 11352 KB Output is correct
23 Correct 13 ms 11352 KB Output is correct
24 Correct 11 ms 11312 KB Output is correct
25 Correct 21 ms 11352 KB Output is correct
26 Correct 25 ms 11352 KB Output is correct
27 Correct 13 ms 11352 KB Output is correct
28 Correct 33 ms 11352 KB Output is correct
29 Correct 28 ms 11352 KB Output is correct
30 Partially correct 44 ms 11352 KB Partially correct - number of queries: 5663
31 Correct 10 ms 11352 KB Output is correct
32 Correct 12 ms 11352 KB Output is correct
33 Correct 8 ms 11352 KB Output is correct
34 Correct 17 ms 11352 KB Output is correct
35 Correct 11 ms 11352 KB Output is correct
36 Correct 14 ms 11352 KB Output is correct
37 Correct 12 ms 11352 KB Output is correct
38 Correct 11 ms 11352 KB Output is correct
39 Correct 21 ms 11352 KB Output is correct
40 Correct 43 ms 11348 KB Output is correct
41 Correct 21 ms 11352 KB Output is correct
42 Correct 30 ms 11352 KB Output is correct
43 Correct 19 ms 11352 KB Output is correct
44 Correct 15 ms 11352 KB Output is correct
45 Correct 17 ms 11352 KB Output is correct
46 Correct 10 ms 11352 KB Output is correct
47 Correct 25 ms 11352 KB Output is correct
48 Correct 27 ms 11352 KB Output is correct
49 Correct 12 ms 11352 KB Output is correct
50 Partially correct 40 ms 11352 KB Partially correct - number of queries: 5687
51 Correct 18 ms 11352 KB Output is correct
52 Correct 10 ms 11352 KB Output is correct
53 Correct 11 ms 11352 KB Output is correct
54 Correct 16 ms 11352 KB Output is correct
55 Correct 10 ms 11352 KB Output is correct
56 Partially correct 36 ms 11324 KB Partially correct - number of queries: 5680
57 Correct 20 ms 11352 KB Output is correct
58 Correct 31 ms 11352 KB Output is correct
59 Correct 22 ms 11352 KB Output is correct
60 Correct 25 ms 11352 KB Output is correct
61 Correct 12 ms 11352 KB Output is correct
62 Correct 11 ms 11352 KB Output is correct
63 Correct 12 ms 11352 KB Output is correct
64 Correct 10 ms 11352 KB Output is correct
65 Correct 12 ms 11352 KB Output is correct
66 Correct 18 ms 11352 KB Output is correct
67 Correct 11 ms 11228 KB Output is correct
68 Correct 11 ms 11352 KB Output is correct
69 Correct 15 ms 11352 KB Output is correct
70 Correct 14 ms 11352 KB Output is correct
71 Partially correct 42 ms 11352 KB Partially correct - number of queries: 6301
72 Correct 16 ms 11352 KB Output is correct
73 Partially correct 49 ms 11352 KB Partially correct - number of queries: 6224
74 Partially correct 45 ms 11352 KB Partially correct - number of queries: 6257
75 Correct 10 ms 11212 KB Output is correct
76 Partially correct 33 ms 11352 KB Partially correct - number of queries: 5509
77 Partially correct 36 ms 11352 KB Partially correct - number of queries: 5757
78 Correct 13 ms 11352 KB Output is correct
79 Correct 24 ms 11352 KB Output is correct
80 Partially correct 48 ms 11352 KB Partially correct - number of queries: 5749
81 Partially correct 42 ms 11604 KB Partially correct - number of queries: 5765
82 Partially correct 39 ms 11352 KB Partially correct - number of queries: 5744
83 Correct 12 ms 11356 KB Output is correct
84 Correct 33 ms 11352 KB Output is correct
85 Partially correct 33 ms 11352 KB Partially correct - number of queries: 5772
86 Correct 10 ms 11352 KB Output is correct
87 Correct 10 ms 11352 KB Output is correct
88 Correct 13 ms 11352 KB Output is correct
89 Correct 10 ms 11352 KB Output is correct
90 Correct 11 ms 11348 KB Output is correct
91 Correct 11 ms 11352 KB Output is correct
92 Correct 11 ms 11352 KB Output is correct
93 Correct 13 ms 11352 KB Output is correct
94 Correct 13 ms 11352 KB Output is correct
95 Correct 13 ms 11352 KB Output is correct
96 Correct 15 ms 11352 KB Output is correct
97 Correct 14 ms 11352 KB Output is correct