답안 #117187

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
117187 2019-06-15T08:48:40 Z zubec 커다란 상품 (IOI17_prize) C++14
90 / 100
80 ms 2180 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

pair<int, int> pr[200100];

bool used[200100];

pair<int, int> myask(int pos){
    if (used[pos]){
        return pr[pos];
    }
    used[pos] = 1;
    vector <int> vec = ask(pos);
    return pr[pos] = {vec[0], vec[1]};
}

int find_best(int n) {
    int mx = -1;
    int mxpos = 0;
    for (int i = 0; i < min(500, n); i++){
        pair<int, int> pr = myask(i);
        if (pr.first+pr.second == 0)
            return i;
        if (pr.first + pr.second > mx){
            mx = pr.first + pr.second;
            mxpos = i;
        }
    }
    int lst = mxpos;
    while(1){
        int l = lst+1, r = n;
        while(l < r){
            int mid = (l+r)>>1;
            pair<int, int> pr = myask(mid);
            if (pr.first+pr.second == 0)
                return mid;
            if (pr != myask(lst))
                r = mid; else
                l = mid+1;
        }
        lst = l;
        while(lst < n){
            if (myask(lst).first + myask(lst).second == myask(mxpos).first+myask(mxpos).second)
                break;
            if (myask(lst).first + myask(lst).second == 0)
                return lst;
            ++lst;
        }
    }
}

/**

8
3 2 3 1 3 2 3 3

*/
# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 384 KB Output is correct
2 Correct 8 ms 384 KB Output is correct
3 Correct 8 ms 376 KB Output is correct
4 Correct 8 ms 384 KB Output is correct
5 Correct 3 ms 392 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 400 KB Output is correct
8 Correct 3 ms 400 KB Output is correct
9 Correct 7 ms 376 KB Output is correct
10 Correct 3 ms 388 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 8 ms 384 KB Output is correct
3 Correct 7 ms 376 KB Output is correct
4 Correct 8 ms 376 KB Output is correct
5 Correct 3 ms 400 KB Output is correct
6 Correct 2 ms 308 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 7 ms 256 KB Output is correct
9 Correct 4 ms 396 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 896 KB Output is correct
12 Correct 4 ms 440 KB Output is correct
13 Correct 12 ms 1208 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 14 ms 1092 KB Output is correct
16 Partially correct 36 ms 1876 KB Partially correct - number of queries: 7154
17 Correct 4 ms 256 KB Output is correct
18 Partially correct 29 ms 2132 KB Partially correct - number of queries: 8313
19 Correct 3 ms 320 KB Output is correct
20 Correct 10 ms 988 KB Output is correct
21 Correct 14 ms 1584 KB Output is correct
22 Correct 11 ms 888 KB Output is correct
23 Correct 7 ms 376 KB Output is correct
24 Correct 8 ms 376 KB Output is correct
25 Correct 44 ms 1632 KB Output is correct
26 Correct 34 ms 1656 KB Output is correct
27 Correct 4 ms 456 KB Output is correct
28 Partially correct 59 ms 2040 KB Partially correct - number of queries: 7862
29 Partially correct 51 ms 1948 KB Partially correct - number of queries: 6074
30 Partially correct 35 ms 2052 KB Partially correct - number of queries: 8243
31 Correct 4 ms 384 KB Output is correct
32 Correct 9 ms 1144 KB Output is correct
33 Correct 2 ms 328 KB Output is correct
34 Correct 22 ms 1320 KB Output is correct
35 Correct 8 ms 632 KB Output is correct
36 Correct 21 ms 1288 KB Output is correct
37 Correct 9 ms 628 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 16 ms 1648 KB Output is correct
40 Partially correct 73 ms 2040 KB Partially correct - number of queries: 7125
41 Partially correct 55 ms 1656 KB Partially correct - number of queries: 5180
42 Partially correct 41 ms 1680 KB Partially correct - number of queries: 5180
43 Correct 36 ms 1728 KB Output is correct
44 Correct 18 ms 1520 KB Output is correct
45 Correct 25 ms 1400 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 32 ms 1448 KB Output is correct
48 Partially correct 42 ms 1784 KB Partially correct - number of queries: 6299
49 Correct 10 ms 760 KB Output is correct
50 Partially correct 32 ms 2028 KB Partially correct - number of queries: 8297
51 Correct 39 ms 1528 KB Output is correct
52 Correct 4 ms 404 KB Output is correct
53 Correct 4 ms 636 KB Output is correct
54 Correct 15 ms 1584 KB Output is correct
55 Correct 6 ms 256 KB Output is correct
56 Partially correct 58 ms 2052 KB Partially correct - number of queries: 8287
57 Partially correct 50 ms 1840 KB Partially correct - number of queries: 6186
58 Partially correct 31 ms 1808 KB Partially correct - number of queries: 6251
59 Partially correct 19 ms 1732 KB Partially correct - number of queries: 5179
60 Correct 61 ms 1576 KB Output is correct
61 Correct 4 ms 512 KB Output is correct
62 Correct 3 ms 392 KB Output is correct
63 Correct 6 ms 640 KB Output is correct
64 Correct 3 ms 452 KB Output is correct
65 Correct 3 ms 452 KB Output is correct
66 Correct 11 ms 376 KB Output is correct
67 Correct 3 ms 520 KB Output is correct
68 Correct 3 ms 388 KB Output is correct
69 Correct 10 ms 376 KB Output is correct
70 Correct 5 ms 376 KB Output is correct
71 Partially correct 66 ms 2084 KB Partially correct - number of queries: 8311
72 Correct 10 ms 1272 KB Output is correct
73 Partially correct 42 ms 2116 KB Partially correct - number of queries: 8197
74 Partially correct 80 ms 2084 KB Partially correct - number of queries: 8231
75 Correct 9 ms 760 KB Output is correct
76 Partially correct 71 ms 2060 KB Partially correct - number of queries: 7114
77 Partially correct 54 ms 1844 KB Partially correct - number of queries: 6462
78 Correct 9 ms 1320 KB Output is correct
79 Correct 27 ms 2040 KB Output is correct
80 Partially correct 41 ms 2120 KB Partially correct - number of queries: 8365
81 Partially correct 66 ms 2088 KB Partially correct - number of queries: 8352
82 Partially correct 29 ms 2180 KB Partially correct - number of queries: 8268
83 Correct 4 ms 648 KB Output is correct
84 Partially correct 73 ms 1992 KB Partially correct - number of queries: 6889
85 Partially correct 39 ms 1960 KB Partially correct - number of queries: 8345
86 Correct 8 ms 316 KB Output is correct
87 Correct 5 ms 384 KB Output is correct
88 Correct 4 ms 564 KB Output is correct
89 Correct 6 ms 384 KB Output is correct
90 Correct 8 ms 384 KB Output is correct
91 Correct 7 ms 384 KB Output is correct
92 Correct 7 ms 384 KB Output is correct
93 Correct 8 ms 1152 KB Output is correct
94 Correct 10 ms 1152 KB Output is correct
95 Correct 10 ms 1144 KB Output is correct
96 Correct 11 ms 1024 KB Output is correct
97 Correct 5 ms 384 KB Output is correct