Submission #974112

# Submission time Handle Problem Language Result Execution time Memory
974112 2024-05-02T20:38:13 Z __Davit__ The Big Prize (IOI17_prize) C++17
90 / 100
44 ms 2136 KB
#include "prize.h"
#include<bits/stdc++.h>

#define ll long long
#define lld long double
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define vr(v) v.begin(),v.end()
#define rv(v) v.rbegin(),v.rend()
using namespace std;

namespace RND {

    mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count());

    ll RANDOM(ll l, ll r) {
        ll res = myrand() % (r - l + 1) + l;
        return res;
    }

    void shuffle(vector<int> &a) {
        for (int i = 0; i < (int) a.size(); i++) {
            int idx = RANDOM(0, (int) a.size() - 1);
            swap(a[i], a[idx]);
        }
    }
};
namespace {
    const int N = 2e5 + 5;
    int answer = -1;
    int A[N][2];
};

void harc(int x) {
    if (A[x][0] == -1) {
        vector<int> tmp = ask(x);
        A[x][0] = tmp[0];
        A[x][1] = tmp[1];
    }
    if (A[x][0] + A[x][1] == 0) {
        answer = x;
        return;
    }
}


int Rank(int x) {
    harc(x);
    return A[x][0] + A[x][1];
}

int pref(int x) {
    harc(x);
    return A[x][0];
}

void solve(int start, int end) {
    if (answer != -1)return;
    if (start == end) {
        harc(start);
        return;
    }
    while (Rank(start) != Rank(end)) {
        if (Rank(start) < Rank(end))start++;
        else end--;
    }
    if (A[start][0] == A[end][0])return;

    int mid = (start + end) >> 1;
    solve(start, mid);
    solve(mid + 1, end);
}

int find_best(int n) {
    for (int i = 0; i < N; i++)A[i][0] = -1;
    solve(0, n - 1);
    return answer;
}

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1880 KB Output is correct
2 Correct 1 ms 1880 KB Output is correct
3 Correct 2 ms 1880 KB Output is correct
4 Correct 1 ms 1880 KB Output is correct
5 Correct 1 ms 1880 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 1 ms 1880 KB Output is correct
8 Correct 1 ms 1880 KB Output is correct
9 Correct 1 ms 2136 KB Output is correct
10 Correct 1 ms 2132 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1880 KB Output is correct
2 Correct 1 ms 1880 KB Output is correct
3 Correct 1 ms 1880 KB Output is correct
4 Correct 2 ms 1880 KB Output is correct
5 Correct 1 ms 2132 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 1 ms 1880 KB Output is correct
8 Correct 1 ms 1880 KB Output is correct
9 Correct 1 ms 2136 KB Output is correct
10 Correct 1 ms 1880 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 1 ms 1880 KB Output is correct
13 Correct 4 ms 1880 KB Output is correct
14 Correct 2 ms 1880 KB Output is correct
15 Correct 4 ms 1972 KB Output is correct
16 Partially correct 24 ms 1880 KB Partially correct - number of queries: 6197
17 Correct 2 ms 1880 KB Output is correct
18 Partially correct 40 ms 1880 KB Partially correct - number of queries: 7516
19 Correct 1 ms 1880 KB Output is correct
20 Correct 9 ms 1880 KB Output is correct
21 Correct 13 ms 1880 KB Output is correct
22 Correct 5 ms 2036 KB Output is correct
23 Correct 1 ms 1880 KB Output is correct
24 Correct 1 ms 1880 KB Output is correct
25 Correct 20 ms 1880 KB Output is correct
26 Correct 20 ms 1880 KB Output is correct
27 Correct 1 ms 1880 KB Output is correct
28 Partially correct 30 ms 1880 KB Partially correct - number of queries: 6453
29 Correct 24 ms 2136 KB Output is correct
30 Partially correct 44 ms 1876 KB Partially correct - number of queries: 7471
31 Correct 1 ms 1880 KB Output is correct
32 Correct 4 ms 1880 KB Output is correct
33 Correct 1 ms 1880 KB Output is correct
34 Correct 12 ms 1948 KB Output is correct
35 Correct 2 ms 1880 KB Output is correct
36 Correct 7 ms 1880 KB Output is correct
37 Correct 2 ms 1880 KB Output is correct
38 Correct 1 ms 1880 KB Output is correct
39 Correct 18 ms 1880 KB Output is correct
40 Partially correct 37 ms 1888 KB Partially correct - number of queries: 6509
41 Correct 25 ms 1876 KB Output is correct
42 Correct 19 ms 1880 KB Output is correct
43 Correct 18 ms 1880 KB Output is correct
44 Correct 10 ms 1880 KB Output is correct
45 Correct 11 ms 2136 KB Output is correct
46 Correct 1 ms 2040 KB Output is correct
47 Correct 15 ms 1880 KB Output is correct
48 Partially correct 37 ms 2136 KB Partially correct - number of queries: 5341
49 Correct 3 ms 1880 KB Output is correct
50 Partially correct 38 ms 1880 KB Partially correct - number of queries: 7475
51 Correct 17 ms 1876 KB Output is correct
52 Correct 1 ms 1880 KB Output is correct
53 Correct 2 ms 1880 KB Output is correct
54 Correct 17 ms 1876 KB Output is correct
55 Correct 1 ms 1880 KB Output is correct
56 Partially correct 34 ms 2084 KB Partially correct - number of queries: 7563
57 Partially correct 28 ms 1880 KB Partially correct - number of queries: 5315
58 Partially correct 26 ms 1880 KB Partially correct - number of queries: 5374
59 Correct 19 ms 1880 KB Output is correct
60 Correct 28 ms 1880 KB Output is correct
61 Correct 2 ms 1880 KB Output is correct
62 Correct 1 ms 1880 KB Output is correct
63 Correct 2 ms 1880 KB Output is correct
64 Correct 2 ms 1880 KB Output is correct
65 Correct 1 ms 1880 KB Output is correct
66 Correct 3 ms 1880 KB Output is correct
67 Correct 3 ms 1880 KB Output is correct
68 Correct 3 ms 1880 KB Output is correct
69 Correct 3 ms 1880 KB Output is correct
70 Correct 2 ms 1980 KB Output is correct
71 Partially correct 41 ms 1880 KB Partially correct - number of queries: 8104
72 Correct 4 ms 1880 KB Output is correct
73 Partially correct 36 ms 1880 KB Partially correct - number of queries: 7999
74 Partially correct 39 ms 1880 KB Partially correct - number of queries: 8044
75 Correct 2 ms 1880 KB Output is correct
76 Partially correct 39 ms 1880 KB Partially correct - number of queries: 7024
77 Partially correct 42 ms 1876 KB Partially correct - number of queries: 7264
78 Correct 5 ms 1880 KB Output is correct
79 Correct 30 ms 1880 KB Output is correct
80 Partially correct 36 ms 1880 KB Partially correct - number of queries: 7326
81 Partially correct 34 ms 1880 KB Partially correct - number of queries: 7196
82 Partially correct 39 ms 1880 KB Partially correct - number of queries: 7258
83 Correct 2 ms 2080 KB Output is correct
84 Partially correct 33 ms 1880 KB Partially correct - number of queries: 6078
85 Partially correct 34 ms 1880 KB Partially correct - number of queries: 7270
86 Correct 3 ms 1876 KB Output is correct
87 Correct 1 ms 1880 KB Output is correct
88 Correct 2 ms 1880 KB Output is correct
89 Correct 2 ms 1880 KB Output is correct
90 Correct 1 ms 1880 KB Output is correct
91 Correct 1 ms 2132 KB Output is correct
92 Correct 1 ms 1880 KB Output is correct
93 Correct 3 ms 1880 KB Output is correct
94 Correct 4 ms 1880 KB Output is correct
95 Correct 4 ms 2136 KB Output is correct
96 Correct 3 ms 1880 KB Output is correct
97 Correct 1 ms 1880 KB Output is correct