답안 #1030415

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1030415 2024-07-22T04:56:56 Z shiomusubi496 커다란 상품 (IOI17_prize) C++17
94.83 / 100
42 ms 5568 KB
#include "prize.h"

#include <bits/stdc++.h>

#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define rrep2(i, a, b) for (int i = (int)(b) - 1; i >= (int)(a); --i)

#define all(v) begin(v), end(v)
#define rall(v) rbegin(v), rend(v)

using namespace std;

using ll = long long;

template<class T, class U> bool chmin(T& a, const U& b) { return a > b ? a = b, true : false; }
template<class T, class U> bool chmax(T& a, const U& b) { return a < b ? a = b, true : false; }

vector<vector<int>> memo;
vector<int> Ask(int n) {
    if (memo[n].empty()) memo[n] = ask(n);
    return memo[n];
}

int find_best(int n) {
    memo.resize(n);
    int cnt = 0;
    rep (i, 500) {
        auto res = Ask(i);
        chmax(cnt, res[0] + res[1]);
        if (res[0] + res[1] == 0) return i;
    }
    int x = 500;
    while (x < n) {
        int y = 0;
        while (x < n) {
            auto res = Ask(x);
            if (res[0] + res[1] == 0) return x;
            if (res[0] + res[1] == cnt) {
                y = res[0];
                break;
            }
            ++x;
        }
        int ok = 500, ng = n;
        while (ng - ok > 1) {
            int mid = (ok + ng) / 2;
            if (mid <= x) ok = mid;
            else {
                auto res = Ask(mid);
                if (res[0] + res[1] == 0) return mid;
                if (res[0] + res[1] < cnt) ng = mid;
                else if (res[0] > y) ng = mid;
                else ok = mid;
            }
        }
        x = ok + 1;
    }
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
   60 | }
      | ^
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 5208 KB Output is correct
2 Correct 4 ms 5204 KB Output is correct
3 Correct 4 ms 4952 KB Output is correct
4 Correct 5 ms 4952 KB Output is correct
5 Correct 5 ms 5208 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 6 ms 4952 KB Output is correct
8 Correct 5 ms 4952 KB Output is correct
9 Correct 5 ms 4952 KB Output is correct
10 Correct 5 ms 4948 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4952 KB Output is correct
2 Correct 5 ms 4952 KB Output is correct
3 Correct 6 ms 4952 KB Output is correct
4 Correct 4 ms 4952 KB Output is correct
5 Correct 6 ms 4952 KB Output is correct
6 Correct 4 ms 4952 KB Output is correct
7 Correct 4 ms 4952 KB Output is correct
8 Correct 4 ms 4952 KB Output is correct
9 Correct 5 ms 4952 KB Output is correct
10 Correct 6 ms 5404 KB Output is correct
11 Correct 6 ms 5208 KB Output is correct
12 Correct 4 ms 4952 KB Output is correct
13 Correct 6 ms 5164 KB Output is correct
14 Correct 4 ms 856 KB Output is correct
15 Correct 7 ms 4952 KB Output is correct
16 Correct 38 ms 5208 KB Output is correct
17 Correct 6 ms 4952 KB Output is correct
18 Partially correct 42 ms 5460 KB Partially correct - number of queries: 5403
19 Correct 5 ms 4952 KB Output is correct
20 Correct 11 ms 2648 KB Output is correct
21 Correct 13 ms 4952 KB Output is correct
22 Correct 8 ms 5164 KB Output is correct
23 Correct 4 ms 4952 KB Output is correct
24 Correct 5 ms 4952 KB Output is correct
25 Correct 18 ms 5432 KB Output is correct
26 Correct 17 ms 5212 KB Output is correct
27 Correct 6 ms 5036 KB Output is correct
28 Correct 38 ms 5480 KB Output is correct
29 Correct 26 ms 5468 KB Output is correct
30 Partially correct 31 ms 5196 KB Partially correct - number of queries: 5394
31 Correct 5 ms 5208 KB Output is correct
32 Correct 9 ms 5208 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 12 ms 5284 KB Output is correct
35 Correct 5 ms 4952 KB Output is correct
36 Correct 12 ms 5408 KB Output is correct
37 Correct 6 ms 4952 KB Output is correct
38 Correct 5 ms 4952 KB Output is correct
39 Correct 23 ms 5416 KB Output is correct
40 Correct 30 ms 5412 KB Output is correct
41 Correct 19 ms 5448 KB Output is correct
42 Correct 21 ms 5444 KB Output is correct
43 Correct 21 ms 5180 KB Output is correct
44 Correct 14 ms 5184 KB Output is correct
45 Correct 12 ms 5156 KB Output is correct
46 Correct 5 ms 4952 KB Output is correct
47 Correct 20 ms 5408 KB Output is correct
48 Correct 28 ms 5240 KB Output is correct
49 Correct 8 ms 5152 KB Output is correct
50 Partially correct 29 ms 5256 KB Partially correct - number of queries: 5404
51 Correct 18 ms 5408 KB Output is correct
52 Correct 5 ms 5144 KB Output is correct
53 Correct 7 ms 5208 KB Output is correct
54 Correct 20 ms 5436 KB Output is correct
55 Correct 3 ms 4952 KB Output is correct
56 Partially correct 39 ms 5412 KB Partially correct - number of queries: 5408
57 Correct 21 ms 5456 KB Output is correct
58 Correct 31 ms 5208 KB Output is correct
59 Correct 21 ms 5208 KB Output is correct
60 Correct 11 ms 5200 KB Output is correct
61 Correct 7 ms 4952 KB Output is correct
62 Correct 5 ms 4952 KB Output is correct
63 Correct 6 ms 4952 KB Output is correct
64 Correct 5 ms 4952 KB Output is correct
65 Correct 5 ms 4952 KB Output is correct
66 Correct 7 ms 4952 KB Output is correct
67 Correct 5 ms 5144 KB Output is correct
68 Correct 4 ms 4952 KB Output is correct
69 Correct 10 ms 5568 KB Output is correct
70 Correct 5 ms 4952 KB Output is correct
71 Partially correct 32 ms 5208 KB Partially correct - number of queries: 5260
72 Correct 8 ms 5416 KB Output is correct
73 Partially correct 30 ms 5496 KB Partially correct - number of queries: 5197
74 Partially correct 38 ms 5404 KB Partially correct - number of queries: 5224
75 Correct 5 ms 4952 KB Output is correct
76 Correct 22 ms 5200 KB Output is correct
77 Partially correct 21 ms 5484 KB Partially correct - number of queries: 5517
78 Correct 7 ms 4952 KB Output is correct
79 Correct 23 ms 5208 KB Output is correct
80 Partially correct 33 ms 5208 KB Partially correct - number of queries: 5501
81 Partially correct 28 ms 5220 KB Partially correct - number of queries: 5493
82 Partially correct 31 ms 5472 KB Partially correct - number of queries: 5458
83 Correct 6 ms 4952 KB Output is correct
84 Correct 30 ms 5476 KB Output is correct
85 Partially correct 26 ms 5456 KB Partially correct - number of queries: 5478
86 Correct 5 ms 4952 KB Output is correct
87 Correct 4 ms 4952 KB Output is correct
88 Correct 5 ms 4952 KB Output is correct
89 Correct 4 ms 4952 KB Output is correct
90 Correct 4 ms 4952 KB Output is correct
91 Correct 6 ms 4952 KB Output is correct
92 Correct 5 ms 4952 KB Output is correct
93 Correct 6 ms 4952 KB Output is correct
94 Correct 7 ms 4952 KB Output is correct
95 Correct 6 ms 5208 KB Output is correct
96 Correct 7 ms 4952 KB Output is correct
97 Correct 5 ms 4952 KB Output is correct