oj.uz

Submission #718158

# Submission time Handle Problem Language Result Execution time Memory
718158 2023-04-03T13:25:01 Z Jarif_Rahman The Big Prize (IOI17_prize) C++17
90 / 100
 85 ms 5320 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 find_best(int n){
    int p = 0;
    int mx = 0;
    for(int i = 0; i < min(n, 480); i++){
        auto v = Ask(i);
        mx = max(mx, v[0]+v[1]);
    }
    while(1){
        auto cur = Ask(p);
        if(cur[0]+cur[1] == 0) return p;
        if(cur[0]+cur[1] != mx){
            p++;
            continue;
        }
        int a = p+1, b = n-1;
        while(a < b){
            int md = (a+b)/2;
            auto v = Ask(md);
            if(v[0]+v[1] != cur[0]+cur[1]) b = md;
            else if(v[0] != cur[0]) b = md-1;
            else a = md+1;
        }
        p = a;
    }
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4988 KB Output is correct
2 Correct 7 ms 5000 KB Output is correct
3 Correct 10 ms 4984 KB Output is correct
4 Correct 6 ms 4944 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 9 ms 4944 KB Output is correct
8 Correct 6 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 6 ms 4988 KB Output is correct

Subtask #2
70.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5008 KB Output is correct
2 Correct 8 ms 4996 KB Output is correct
3 Correct 7 ms 5012 KB Output is correct
4 Correct 5 ms 4968 KB Output is correct
5 Correct 6 ms 4944 KB Output is correct
6 Correct 10 ms 4996 KB Output is correct
7 Correct 5 ms 4944 KB Output is correct
8 Correct 6 ms 5080 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 9 ms 5044 KB Output is correct
11 Correct 7 ms 4944 KB Output is correct
12 Correct 7 ms 4944 KB Output is correct
13 Correct 7 ms 5004 KB Output is correct
14 Correct 9 ms 4944 KB Output is correct
15 Correct 17 ms 5008 KB Output is correct
16 Partially correct 59 ms 5120 KB Partially correct - number of queries: 7136
17 Correct 9 ms 4944 KB Output is correct
18 Partially correct 81 ms 5144 KB Partially correct - number of queries: 8266
19 Correct 8 ms 4972 KB Output is correct
20 Correct 22 ms 4944 KB Output is correct
21 Correct 29 ms 5080 KB Output is correct
22 Correct 14 ms 5016 KB Output is correct
23 Correct 8 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 50 ms 5064 KB Output is correct
26 Correct 53 ms 5192 KB Output is correct
27 Correct 7 ms 4968 KB Output is correct
28 Partially correct 70 ms 5176 KB Partially correct - number of queries: 7814
29 Partially correct 65 ms 5244 KB Partially correct - number of queries: 6042
30 Partially correct 79 ms 5128 KB Partially correct - number of queries: 8213
31 Correct 8 ms 4984 KB Output is correct
32 Correct 12 ms 4944 KB Output is correct
33 Correct 3 ms 4944 KB Output is correct
34 Correct 34 ms 4984 KB Output is correct
35 Correct 8 ms 4944 KB Output is correct
36 Correct 16 ms 5168 KB Output is correct
37 Correct 9 ms 4944 KB Output is correct
38 Correct 7 ms 4944 KB Output is correct
39 Correct 47 ms 4980 KB Output is correct
40 Partially correct 63 ms 5240 KB Partially correct - number of queries: 7108
41 Partially correct 52 ms 5064 KB Partially correct - number of queries: 5152
42 Partially correct 46 ms 5112 KB Partially correct - number of queries: 5152
43 Correct 39 ms 5232 KB Output is correct
44 Correct 38 ms 5012 KB Output is correct
45 Correct 38 ms 4992 KB Output is correct
46 Correct 7 ms 4952 KB Output is correct
47 Correct 35 ms 5064 KB Output is correct
48 Partially correct 75 ms 5084 KB Partially correct - number of queries: 6250
49 Correct 15 ms 4984 KB Output is correct
50 Partially correct 72 ms 5192 KB Partially correct - number of queries: 8264
51 Correct 39 ms 5108 KB Output is correct
52 Correct 7 ms 4944 KB Output is correct
53 Correct 9 ms 4944 KB Output is correct
54 Correct 36 ms 4992 KB Output is correct
55 Correct 7 ms 4944 KB Output is correct
56 Partially correct 72 ms 5228 KB Partially correct - number of queries: 8261
57 Partially correct 50 ms 5048 KB Partially correct - number of queries: 6167
58 Partially correct 55 ms 5320 KB Partially correct - number of queries: 6239
59 Partially correct 59 ms 5112 KB Partially correct - number of queries: 5147
60 Correct 50 ms 5096 KB Output is correct
61 Correct 9 ms 4944 KB Output is correct
62 Correct 7 ms 4984 KB Output is correct
63 Correct 6 ms 5088 KB Output is correct
64 Correct 8 ms 4984 KB Output is correct
65 Correct 9 ms 4984 KB Output is correct
66 Correct 9 ms 4944 KB Output is correct
67 Correct 7 ms 4992 KB Output is correct
68 Correct 8 ms 4980 KB Output is correct
69 Correct 12 ms 4976 KB Output is correct
70 Correct 7 ms 4944 KB Output is correct
71 Partially correct 84 ms 5164 KB Partially correct - number of queries: 8219
72 Correct 11 ms 5024 KB Output is correct
73 Partially correct 85 ms 5144 KB Partially correct - number of queries: 8145
74 Partially correct 60 ms 5192 KB Partially correct - number of queries: 8174
75 Correct 10 ms 5072 KB Output is correct
76 Partially correct 75 ms 5192 KB Partially correct - number of queries: 7099
77 Partially correct 72 ms 5320 KB Partially correct - number of queries: 8317
78 Correct 11 ms 5012 KB Output is correct
79 Correct 42 ms 5064 KB Output is correct
80 Partially correct 82 ms 5232 KB Partially correct - number of queries: 8297
81 Partially correct 77 ms 5144 KB Partially correct - number of queries: 8307
82 Partially correct 65 ms 5232 KB Partially correct - number of queries: 8202
83 Correct 7 ms 4944 KB Output is correct
84 Partially correct 67 ms 5104 KB Partially correct - number of queries: 6841
85 Partially correct 64 ms 5280 KB Partially correct - number of queries: 8274
86 Correct 5 ms 5080 KB Output is correct
87 Correct 7 ms 5004 KB Output is correct
88 Correct 6 ms 4988 KB Output is correct
89 Correct 9 ms 5012 KB Output is correct
90 Correct 8 ms 4944 KB Output is correct
91 Correct 7 ms 4924 KB Output is correct
92 Correct 9 ms 4944 KB Output is correct
93 Correct 10 ms 5016 KB Output is correct
94 Correct 10 ms 5004 KB Output is correct
95 Correct 11 ms 5020 KB Output is correct
96 Correct 9 ms 5016 KB Output is correct
97 Correct 7 ms 4944 KB Output is correct