답안 #1043243

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1043243 2024-08-04T05:47:54 Z Alihan_8 커다란 상품 (IOI17_prize) C++17
94.91 / 100
31 ms 5672 KB
#include "prize.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define all(x) x.begin(), x.end()
#define ar array
#define pb push_back
#define ln '\n'
//#define int long long
 
using i64 = long long;
 
template <class F, class _S>
bool chmin(F &u, const _S &v){
    bool flag = false;
    if ( u > v ){
        u = v; flag |= true;
    }
    return flag;
}
 
template <class F, class _S>
bool chmax(F &u, const _S &v){
    bool flag = false;
    if ( u < v ){
        u = v; flag |= true;
    }
    return flag;
}
 
const int B = 474;
 
int find_best(int n){
	vector <vector<int>> dp(n);	
	
	auto f = [&](int j){
		if ( dp[j].empty() ){
			dp[j] = ask(j);
		}
		
		return dp[j];
	};
	
	auto g = [&](int j){
		return f(j)[0] + f(j)[1];
	};
	
	int mx = -1, k = -1;
	
	for ( int i = 0; i < min(n, B); i++ ){
		if ( chmax(mx, g(i)) ){
			k = i;
		}
		
		if ( g(i) == 0 ){
			return i;
		}
	}
	
	for ( int i = k; i < n;){
		int l = i, r = min(n, l + B);
		
		if ( f(l) == f(r - 1) ){
			i = r - 1; continue;
		}
		
		while ( l + 1 < r ){
			int m = (l + r) / 2;
			
			if ( f(m)[1] != f(i)[1] ){
				r = m;
			} else l = m;
		}
		
		int j = r;
		
		while ( j < n && g(j) != g(i) ){
			if ( g(j) == 0 ){
				return j;
			} j++;
		}
		
		i = j;
	}
	
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4952 KB Output is correct
2 Correct 4 ms 4952 KB Output is correct
3 Correct 6 ms 5160 KB Output is correct
4 Correct 6 ms 4952 KB Output is correct
5 Correct 5 ms 4952 KB Output is correct
6 Correct 2 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 5208 KB Output is correct
10 Correct 5 ms 4952 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 4952 KB Output is correct
2 Correct 4 ms 5152 KB Output is correct
3 Correct 4 ms 4952 KB Output is correct
4 Correct 6 ms 5224 KB Output is correct
5 Correct 4 ms 5208 KB Output is correct
6 Correct 1 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 4 ms 4952 KB Output is correct
10 Correct 5 ms 4952 KB Output is correct
11 Correct 4 ms 4952 KB Output is correct
12 Correct 3 ms 4952 KB Output is correct
13 Correct 6 ms 4952 KB Output is correct
14 Correct 2 ms 856 KB Output is correct
15 Correct 9 ms 4952 KB Output is correct
16 Correct 20 ms 5672 KB Output is correct
17 Correct 3 ms 4952 KB Output is correct
18 Partially correct 18 ms 5464 KB Partially correct - number of queries: 5479
19 Correct 4 ms 4952 KB Output is correct
20 Correct 8 ms 2824 KB Output is correct
21 Correct 13 ms 5180 KB Output is correct
22 Correct 6 ms 5208 KB Output is correct
23 Correct 4 ms 5208 KB Output is correct
24 Correct 4 ms 4952 KB Output is correct
25 Correct 14 ms 5208 KB Output is correct
26 Correct 15 ms 5452 KB Output is correct
27 Correct 3 ms 4952 KB Output is correct
28 Partially correct 18 ms 5160 KB Partially correct - number of queries: 5314
29 Correct 25 ms 5476 KB Output is correct
30 Partially correct 31 ms 5452 KB Partially correct - number of queries: 5509
31 Correct 3 ms 4952 KB Output is correct
32 Correct 5 ms 4948 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 9 ms 5208 KB Output is correct
35 Correct 5 ms 4952 KB Output is correct
36 Correct 6 ms 4948 KB Output is correct
37 Correct 4 ms 4952 KB Output is correct
38 Correct 2 ms 4952 KB Output is correct
39 Correct 8 ms 5208 KB Output is correct
40 Partially correct 26 ms 5492 KB Partially correct - number of queries: 5010
41 Correct 11 ms 5456 KB Output is correct
42 Correct 16 ms 5176 KB Output is correct
43 Correct 16 ms 5200 KB Output is correct
44 Correct 9 ms 5208 KB Output is correct
45 Correct 9 ms 4952 KB Output is correct
46 Correct 4 ms 4952 KB Output is correct
47 Correct 16 ms 5208 KB Output is correct
48 Correct 24 ms 5208 KB Output is correct
49 Correct 4 ms 4952 KB Output is correct
50 Partially correct 18 ms 5208 KB Partially correct - number of queries: 5462
51 Correct 15 ms 5208 KB Output is correct
52 Correct 4 ms 4952 KB Output is correct
53 Correct 5 ms 4952 KB Output is correct
54 Correct 11 ms 5208 KB Output is correct
55 Correct 3 ms 4952 KB Output is correct
56 Partially correct 26 ms 5460 KB Partially correct - number of queries: 5475
57 Correct 12 ms 5264 KB Output is correct
58 Correct 18 ms 5208 KB Output is correct
59 Correct 13 ms 5216 KB Output is correct
60 Correct 13 ms 5208 KB Output is correct
61 Correct 4 ms 4952 KB Output is correct
62 Correct 3 ms 4952 KB Output is correct
63 Correct 6 ms 5032 KB Output is correct
64 Correct 6 ms 4952 KB Output is correct
65 Correct 5 ms 4952 KB Output is correct
66 Correct 6 ms 4960 KB Output is correct
67 Correct 5 ms 4952 KB Output is correct
68 Correct 3 ms 4952 KB Output is correct
69 Correct 7 ms 5156 KB Output is correct
70 Correct 5 ms 4952 KB Output is correct
71 Partially correct 20 ms 5464 KB Partially correct - number of queries: 5194
72 Correct 5 ms 4952 KB Output is correct
73 Partially correct 19 ms 5456 KB Partially correct - number of queries: 5124
74 Partially correct 21 ms 5464 KB Partially correct - number of queries: 5154
75 Correct 4 ms 5208 KB Output is correct
76 Correct 18 ms 5208 KB Output is correct
77 Partially correct 22 ms 5512 KB Partially correct - number of queries: 5438
78 Correct 6 ms 5208 KB Output is correct
79 Correct 13 ms 5424 KB Output is correct
80 Partially correct 23 ms 5452 KB Partially correct - number of queries: 5416
81 Partially correct 23 ms 5208 KB Partially correct - number of queries: 5425
82 Partially correct 23 ms 5208 KB Partially correct - number of queries: 5368
83 Correct 4 ms 4952 KB Output is correct
84 Correct 27 ms 5212 KB Output is correct
85 Partially correct 19 ms 5400 KB Partially correct - number of queries: 5405
86 Correct 5 ms 4952 KB Output is correct
87 Correct 4 ms 5164 KB Output is correct
88 Correct 5 ms 4952 KB Output is correct
89 Correct 3 ms 4952 KB Output is correct
90 Correct 6 ms 4952 KB Output is correct
91 Correct 4 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 6 ms 4952 KB Output is correct
95 Correct 4 ms 4952 KB Output is correct
96 Correct 5 ms 5176 KB Output is correct
97 Correct 5 ms 4952 KB Output is correct