oj.uz

답안 #89254

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
89254 2018-12-11T06:21:36 Z zoomswk 커다란 상품 (IOI17_prize) C++17
97.61 / 100
 64 ms 660 KB 
#include "prize.h"
#include <vector>
#include <algorithm>
#include <set>
using namespace std;

int m, res;
bool flag = false;

void solve(int l, int r, int num, int bef){
    if(num == 0) return;
    if(l > r) return;
    int mid = (l+r)/2;
    vector<int> resp = ask(mid);
    if(resp[0]+resp[1] == 0){
        res = mid;
        flag = true;
        return;
    }
    int b = mid;
    while(resp[0]+resp[1] != m && b < r){
        b++;
        resp = ask(b);
        if(resp[0]+resp[1] == 0){
            res = b;
            flag = true;
            return;
        }
    }
    if(resp[0]+resp[1] == m){
        solve(l, mid-1, resp[0]-(b-mid)-bef, bef);
        if(flag) return;
        solve(b+1, r, num-(resp[0]-bef), resp[0]);
        if(flag) return;
    } else{
        solve(l, mid-1, num, bef);
    }
    return;
}

int find_best(int n) {
    if(n <= 5000){
        for(int i=0; i<n; i++){
            vector<int> resp = ask(i);
            if(resp[0]+resp[1] == 0) return i;
        }
    }
    vector<int> resp;
    set<int> s;
    for(int x=0; x<480; x++){
        int i = x;
        resp = ask(i);
        if(resp[0]+resp[1] == 0) return i;
        s.insert(resp[0]+resp[1]);
        m = max(m, resp[0]+resp[1]);
        if(s.size() == 4) break;
    }
    
    solve(0, n-1, m, 0);
    
    return res;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 308 KB Output is correct
2 Correct 6 ms 324 KB Output is correct
3 Correct 4 ms 524 KB Output is correct
4 Correct 7 ms 576 KB Output is correct
5 Correct 6 ms 576 KB Output is correct
6 Correct 2 ms 576 KB Output is correct
7 Correct 7 ms 576 KB Output is correct
8 Correct 6 ms 576 KB Output is correct
9 Correct 8 ms 576 KB Output is correct
10 Correct 4 ms 576 KB Output is correct

Subtask #2
77.61 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 576 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 6 ms 604 KB Output is correct
4 Correct 6 ms 604 KB Output is correct
5 Correct 4 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 5 ms 604 KB Output is correct
8 Correct 4 ms 660 KB Output is correct
9 Correct 4 ms 660 KB Output is correct
10 Correct 9 ms 660 KB Output is correct
11 Correct 6 ms 660 KB Output is correct
12 Correct 8 ms 660 KB Output is correct
13 Correct 13 ms 660 KB Output is correct
14 Correct 9 ms 660 KB Output is correct
15 Correct 12 ms 660 KB Output is correct
16 Correct 45 ms 660 KB Output is correct
17 Correct 4 ms 660 KB Output is correct
18 Correct 52 ms 660 KB Output is correct
19 Correct 7 ms 660 KB Output is correct
20 Correct 15 ms 660 KB Output is correct
21 Correct 23 ms 660 KB Output is correct
22 Correct 9 ms 660 KB Output is correct
23 Correct 4 ms 660 KB Output is correct
24 Correct 8 ms 660 KB Output is correct
25 Correct 13 ms 660 KB Output is correct
26 Correct 24 ms 660 KB Output is correct
27 Correct 8 ms 660 KB Output is correct
28 Correct 23 ms 660 KB Output is correct
29 Correct 36 ms 660 KB Output is correct
30 Correct 50 ms 660 KB Output is correct
31 Correct 4 ms 660 KB Output is correct
32 Correct 9 ms 660 KB Output is correct
33 Correct 2 ms 660 KB Output is correct
34 Correct 22 ms 660 KB Output is correct
35 Correct 9 ms 660 KB Output is correct
36 Correct 8 ms 660 KB Output is correct
37 Correct 9 ms 660 KB Output is correct
38 Correct 7 ms 660 KB Output is correct
39 Correct 32 ms 660 KB Output is correct
40 Correct 52 ms 660 KB Output is correct
41 Correct 14 ms 660 KB Output is correct
42 Correct 27 ms 660 KB Output is correct
43 Correct 18 ms 660 KB Output is correct
44 Correct 25 ms 660 KB Output is correct
45 Correct 18 ms 660 KB Output is correct
46 Correct 4 ms 660 KB Output is correct
47 Correct 12 ms 660 KB Output is correct
48 Correct 17 ms 660 KB Output is correct
49 Correct 11 ms 660 KB Output is correct
50 Correct 57 ms 660 KB Output is correct
51 Correct 11 ms 660 KB Output is correct
52 Correct 8 ms 660 KB Output is correct
53 Correct 9 ms 660 KB Output is correct
54 Correct 20 ms 660 KB Output is correct
55 Correct 6 ms 660 KB Output is correct
56 Correct 51 ms 660 KB Output is correct
57 Correct 16 ms 660 KB Output is correct
58 Correct 36 ms 660 KB Output is correct
59 Correct 28 ms 660 KB Output is correct
60 Correct 30 ms 660 KB Output is correct
61 Correct 8 ms 660 KB Output is correct
62 Correct 7 ms 660 KB Output is correct
63 Correct 8 ms 660 KB Output is correct
64 Correct 9 ms 660 KB Output is correct
65 Correct 7 ms 660 KB Output is correct
66 Correct 11 ms 660 KB Output is correct
67 Correct 13 ms 660 KB Output is correct
68 Correct 5 ms 660 KB Output is correct
69 Correct 5 ms 660 KB Output is correct
70 Correct 9 ms 660 KB Output is correct
71 Partially correct 49 ms 660 KB Partially correct - number of queries: 5239
72 Correct 12 ms 660 KB Output is correct
73 Partially correct 44 ms 660 KB Partially correct - number of queries: 5176
74 Partially correct 33 ms 660 KB Partially correct - number of queries: 5203
75 Correct 8 ms 660 KB Output is correct
76 Correct 40 ms 660 KB Output is correct
77 Correct 45 ms 660 KB Output is correct
78 Correct 11 ms 660 KB Output is correct
79 Correct 16 ms 660 KB Output is correct
80 Correct 24 ms 660 KB Output is correct
81 Correct 48 ms 660 KB Output is correct
82 Correct 50 ms 660 KB Output is correct
83 Correct 7 ms 660 KB Output is correct
84 Correct 37 ms 660 KB Output is correct
85 Correct 64 ms 660 KB Output is correct
86 Correct 11 ms 660 KB Output is correct
87 Correct 3 ms 660 KB Output is correct
88 Correct 6 ms 660 KB Output is correct
89 Correct 13 ms 660 KB Output is correct
90 Correct 8 ms 660 KB Output is correct
91 Correct 10 ms 660 KB Output is correct
92 Correct 12 ms 660 KB Output is correct
93 Correct 16 ms 660 KB Output is correct
94 Correct 14 ms 660 KB Output is correct
95 Correct 14 ms 660 KB Output is correct
96 Correct 12 ms 660 KB Output is correct
97 Correct 12 ms 660 KB Output is correct