Submission #718164

# Submission time Handle Problem Language Result Execution time Memory
718164 2023-04-03T13:39:56 Z Jarif_Rahman The Big Prize (IOI17_prize) C++17
97.61 / 100
72 ms 5136 KB
#include "prize.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

vector<int> asked[200000];
vector<int> Ask(int i){
    if(asked[i].empty()) asked[i] = ask(i);
    return asked[i];
}

int ans = -1, mx = 0;

int Ask_cnt(int i){
    auto v = Ask(i);
    if(v[0]+v[1] == 0) ans = i;
    return v[0]+v[1];
}

void solve(int l, int r){
    if(ans != -1) return;
    while(Ask_cnt(l) < mx && l <= r) l++;
    if(ans != -1) return;
    while(Ask_cnt(r) < mx && r >= l) r--;
    if(ans != -1) return;

    if(l >= r) return;

    auto a = Ask(l), b = Ask(r);
    if(a[0] == b[0] && a[1] == b[1]) return;
    int md = (l+r)/2;
    solve(l, md);
    solve(md, r);
}

int find_best(int n){
    for(int i = 0; i < min(n, 480); i++){
        auto v = Ask(i);
        mx = max(mx, v[0]+v[1]);
    }
    solve(0, n-1);
    return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 10 ms 4992 KB Output is correct
2 Correct 7 ms 5000 KB Output is correct
3 Correct 10 ms 4944 KB Output is correct
4 Correct 9 ms 4988 KB Output is correct
5 Correct 6 ms 4944 KB Output is correct
6 Correct 7 ms 4944 KB Output is correct
7 Correct 7 ms 4944 KB Output is correct
8 Correct 7 ms 4988 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 10 ms 4944 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 4996 KB Output is correct
2 Correct 7 ms 4944 KB Output is correct
3 Correct 12 ms 4944 KB Output is correct
4 Correct 7 ms 4944 KB Output is correct
5 Correct 9 ms 4976 KB Output is correct
6 Correct 5 ms 4996 KB Output is correct
7 Correct 12 ms 4988 KB Output is correct
8 Correct 10 ms 4988 KB Output is correct
9 Correct 6 ms 4980 KB Output is correct
10 Correct 10 ms 4892 KB Output is correct
11 Correct 14 ms 4992 KB Output is correct
12 Correct 10 ms 5004 KB Output is correct
13 Correct 17 ms 5004 KB Output is correct
14 Correct 11 ms 4944 KB Output is correct
15 Correct 16 ms 4988 KB Output is correct
16 Correct 39 ms 5020 KB Output is correct
17 Correct 10 ms 4992 KB Output is correct
18 Partially correct 44 ms 5112 KB Partially correct - number of queries: 5093
19 Correct 7 ms 4944 KB Output is correct
20 Correct 15 ms 5012 KB Output is correct
21 Correct 19 ms 5024 KB Output is correct
22 Correct 12 ms 5004 KB Output is correct
23 Correct 8 ms 4984 KB Output is correct
24 Correct 6 ms 4944 KB Output is correct
25 Correct 29 ms 4984 KB Output is correct
26 Correct 26 ms 5016 KB Output is correct
27 Correct 11 ms 4984 KB Output is correct
28 Correct 44 ms 5008 KB Output is correct
29 Correct 37 ms 5088 KB Output is correct
30 Partially correct 49 ms 5024 KB Partially correct - number of queries: 5067
31 Correct 7 ms 4992 KB Output is correct
32 Correct 8 ms 4972 KB Output is correct
33 Correct 3 ms 5000 KB Output is correct
34 Correct 17 ms 5028 KB Output is correct
35 Correct 10 ms 4992 KB Output is correct
36 Correct 28 ms 4944 KB Output is correct
37 Correct 13 ms 4944 KB Output is correct
38 Correct 10 ms 4992 KB Output is correct
39 Correct 34 ms 4944 KB Output is correct
40 Correct 54 ms 5112 KB Output is correct
41 Correct 29 ms 5024 KB Output is correct
42 Correct 40 ms 5036 KB Output is correct
43 Correct 33 ms 4984 KB Output is correct
44 Correct 35 ms 5000 KB Output is correct
45 Correct 23 ms 4992 KB Output is correct
46 Correct 10 ms 4988 KB Output is correct
47 Correct 29 ms 4944 KB Output is correct
48 Correct 32 ms 4996 KB Output is correct
49 Correct 13 ms 5000 KB Output is correct
50 Partially correct 63 ms 5100 KB Partially correct - number of queries: 5102
51 Correct 29 ms 5024 KB Output is correct
52 Correct 9 ms 4976 KB Output is correct
53 Correct 11 ms 4944 KB Output is correct
54 Correct 35 ms 5032 KB Output is correct
55 Correct 10 ms 4996 KB Output is correct
56 Partially correct 51 ms 5064 KB Partially correct - number of queries: 5075
57 Correct 35 ms 5040 KB Output is correct
58 Correct 53 ms 5000 KB Output is correct
59 Correct 41 ms 5064 KB Output is correct
60 Correct 27 ms 5020 KB Output is correct
61 Correct 12 ms 4988 KB Output is correct
62 Correct 11 ms 4968 KB Output is correct
63 Correct 8 ms 4996 KB Output is correct
64 Correct 8 ms 4992 KB Output is correct
65 Correct 9 ms 4992 KB Output is correct
66 Correct 14 ms 4992 KB Output is correct
67 Correct 16 ms 5004 KB Output is correct
68 Correct 7 ms 4988 KB Output is correct
69 Correct 17 ms 5000 KB Output is correct
70 Correct 10 ms 4992 KB Output is correct
71 Partially correct 54 ms 5136 KB Partially correct - number of queries: 5239
72 Correct 14 ms 4944 KB Output is correct
73 Partially correct 60 ms 5136 KB Partially correct - number of queries: 5176
74 Partially correct 51 ms 5060 KB Partially correct - number of queries: 5203
75 Correct 8 ms 4944 KB Output is correct
76 Correct 48 ms 5080 KB Output is correct
77 Partially correct 49 ms 5060 KB Partially correct - number of queries: 5196
78 Correct 11 ms 4944 KB Output is correct
79 Correct 25 ms 5028 KB Output is correct
80 Partially correct 57 ms 5124 KB Partially correct - number of queries: 5184
81 Partially correct 42 ms 5120 KB Partially correct - number of queries: 5194
82 Partially correct 72 ms 5064 KB Partially correct - number of queries: 5158
83 Correct 11 ms 4944 KB Output is correct
84 Correct 57 ms 5112 KB Output is correct
85 Partially correct 56 ms 5064 KB Partially correct - number of queries: 5217
86 Correct 8 ms 5012 KB Output is correct
87 Correct 6 ms 4944 KB Output is correct
88 Correct 7 ms 4992 KB Output is correct
89 Correct 11 ms 5000 KB Output is correct
90 Correct 8 ms 4944 KB Output is correct
91 Correct 9 ms 5012 KB Output is correct
92 Correct 9 ms 4996 KB Output is correct
93 Correct 14 ms 4944 KB Output is correct
94 Correct 12 ms 5008 KB Output is correct
95 Correct 17 ms 5000 KB Output is correct
96 Correct 12 ms 4944 KB Output is correct
97 Correct 5 ms 5008 KB Output is correct