답안 #1118433

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1118433 2024-11-25T13:39:17 Z adaawf 커다란 상품 (IOI17_prize) C++17
20 / 100
165 ms 3408 KB
#include <bits/stdc++.h>
using namespace std;
int a[200005], cc = 0, hh = 200000, dd[200005], c[200005][10];
void build(int n) {
    for (int j = 0; j <= 9; j++) {
        c[0][j] = (a[0] <= j);
        for (int i = 1; i < n; i++) {
            c[i][j] = c[i - 1][j] + (a[i] <= j);
        }
    }
}
mt19937 mt(chrono::steady_clock::now().time_since_epoch().count());
vector<int> ask(int i);
int find_best(int n) {
    vector<pair<int, pair<int, int>>> v;
    vector<int> t;
    int mi = 0;
    for (int i = 0; i < 200; i++) {
        int h = mt() % n;
        t = ask(h);
        if (t[0] + t[1] == 0) return h;
        mi = max(mi, t[0] + t[1]);
    }
    for (int i = 0; i < n; i++) dd[i] = 0;
    int c = 0;
    for (int i = 0; i < n; i += 500) {
        while (1) {
            if (i >= n) break;
            t = ask(i);
            if (t[0] + t[1] == 0) return i;
            if (t[0] + t[1] == mi) {
                break;
            }
            c++;
            i++;
        }
        if (i < n) {
            v.push_back({i, {t[1], c}});
            c = 0;
        }
    }
    v.push_back({n, {0, c}});
    for (int i = 0; i < v.size() - 1; i++) {
        int h = v[i].second.first - v[i + 1].second.first;
        h -= v[i + 1].second.second;
        vector<int> va, vc, vv;
        for (int j = v[i].first; j < min(v[i].first + 500, n + 1); j++) {
            va.push_back(j);
        }
        for (int j = 0; j < h; j++) {
            int l = 0, r = va.size() - 1, res;
            while (1) {
                int mid = (l + r) / 2;
                res = va[mid];
                dd[va[mid]] = 1;
                t = ask(va[mid]);
                if (t[0] + t[1] == 0) return va[mid];
                if (t[0] + t[1] != mi) break;
                for (int w : vc) {
                    if (w <= va[mid]) t[1]++;
                }
                if (t[1] == v[i].second.first) {
                    l = mid + 1;
                }
                else r = mid - 1;
            }
            vc.push_back(res);
            vv.clear();
            for (int w : va) {
                if (dd[w] == 0) vv.push_back(w);
            }
            va = vv;
        }
    }
    return -1;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int i = 0; i < v.size() - 1; i++) {
      |                     ~~^~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 2640 KB Output is correct
2 Correct 12 ms 2888 KB Output is correct
3 Correct 9 ms 2640 KB Output is correct
4 Correct 10 ms 2888 KB Output is correct
5 Correct 7 ms 2640 KB Output is correct
6 Correct 5 ms 2640 KB Output is correct
7 Correct 8 ms 2640 KB Output is correct
8 Correct 7 ms 2744 KB Output is correct
9 Correct 9 ms 2896 KB Output is correct
10 Correct 13 ms 2640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 2640 KB Output is correct
2 Correct 11 ms 2736 KB Output is correct
3 Correct 11 ms 2640 KB Output is correct
4 Correct 11 ms 2752 KB Output is correct
5 Correct 7 ms 2640 KB Output is correct
6 Correct 4 ms 2640 KB Output is correct
7 Correct 7 ms 2640 KB Output is correct
8 Correct 8 ms 2896 KB Output is correct
9 Correct 10 ms 2640 KB Output is correct
10 Correct 11 ms 2640 KB Output is correct
11 Correct 12 ms 2640 KB Output is correct
12 Correct 10 ms 2640 KB Output is correct
13 Correct 17 ms 2752 KB Output is correct
14 Correct 7 ms 2384 KB Output is correct
15 Correct 17 ms 3156 KB Output is correct
16 Correct 70 ms 2896 KB Output is correct
17 Correct 10 ms 2640 KB Output is correct
18 Correct 79 ms 3408 KB Output is correct
19 Correct 10 ms 2640 KB Output is correct
20 Correct 21 ms 2500 KB Output is correct
21 Correct 31 ms 2740 KB Output is correct
22 Correct 16 ms 2640 KB Output is correct
23 Correct 9 ms 3000 KB Output is correct
24 Correct 10 ms 2640 KB Output is correct
25 Correct 38 ms 2640 KB Output is correct
26 Correct 37 ms 2640 KB Output is correct
27 Correct 11 ms 2500 KB Output is correct
28 Correct 81 ms 2496 KB Output is correct
29 Correct 51 ms 2640 KB Output is correct
30 Correct 68 ms 2900 KB Output is correct
31 Correct 9 ms 2640 KB Output is correct
32 Correct 13 ms 2640 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 33 ms 2752 KB Output is correct
35 Correct 12 ms 2640 KB Output is correct
36 Correct 25 ms 2504 KB Output is correct
37 Correct 11 ms 2640 KB Output is correct
38 Correct 9 ms 2508 KB Output is correct
39 Correct 36 ms 2496 KB Output is correct
40 Correct 62 ms 2640 KB Output is correct
41 Correct 42 ms 2640 KB Output is correct
42 Correct 42 ms 2896 KB Output is correct
43 Correct 40 ms 2752 KB Output is correct
44 Correct 16 ms 2756 KB Output is correct
45 Correct 22 ms 2896 KB Output is correct
46 Correct 11 ms 2812 KB Output is correct
47 Correct 29 ms 2896 KB Output is correct
48 Correct 56 ms 2748 KB Output is correct
49 Correct 15 ms 2640 KB Output is correct
50 Correct 69 ms 2744 KB Output is correct
51 Correct 39 ms 3248 KB Output is correct
52 Correct 10 ms 2896 KB Output is correct
53 Correct 12 ms 2500 KB Output is correct
54 Correct 39 ms 2756 KB Output is correct
55 Correct 11 ms 2744 KB Output is correct
56 Correct 85 ms 2640 KB Output is correct
57 Correct 49 ms 2896 KB Output is correct
58 Correct 50 ms 2640 KB Output is correct
59 Correct 41 ms 2640 KB Output is correct
60 Correct 43 ms 2640 KB Output is correct
61 Correct 12 ms 2640 KB Output is correct
62 Correct 10 ms 2640 KB Output is correct
63 Correct 10 ms 2640 KB Output is correct
64 Correct 12 ms 2640 KB Output is correct
65 Correct 11 ms 2640 KB Output is correct
66 Correct 18 ms 2752 KB Output is correct
67 Correct 15 ms 2736 KB Output is correct
68 Correct 11 ms 2640 KB Output is correct
69 Correct 22 ms 2744 KB Output is correct
70 Correct 13 ms 2752 KB Output is correct
71 Correct 70 ms 2640 KB Output is correct
72 Correct 16 ms 3000 KB Output is correct
73 Correct 91 ms 2752 KB Output is correct
74 Correct 87 ms 2896 KB Output is correct
75 Correct 13 ms 2884 KB Output is correct
76 Correct 80 ms 2640 KB Output is correct
77 Correct 73 ms 2744 KB Output is correct
78 Correct 16 ms 2896 KB Output is correct
79 Correct 43 ms 2496 KB Output is correct
80 Correct 71 ms 2640 KB Output is correct
81 Correct 76 ms 2640 KB Output is correct
82 Correct 80 ms 2748 KB Output is correct
83 Correct 14 ms 2888 KB Output is correct
84 Correct 61 ms 2640 KB Output is correct
85 Correct 82 ms 2744 KB Output is correct
86 Correct 39 ms 2752 KB Output is correct
87 Correct 14 ms 2736 KB Output is correct
88 Correct 42 ms 2640 KB Output is correct
89 Correct 42 ms 2896 KB Output is correct
90 Correct 13 ms 2640 KB Output is correct
91 Correct 29 ms 2896 KB Output is correct
92 Correct 33 ms 2896 KB Output is correct
93 Incorrect 165 ms 2744 KB Incorrect
94 Halted 0 ms 0 KB -