oj.uz

Submission #1043236

# Submission time Handle Problem Language Result Execution time Memory
1043236 2024-08-04T05:41:36 Z Alihan_8 The Big Prize (IOI17_prize) C++17
90 / 100
 37 ms 5964 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 = 500;
 
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);
		
		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;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4952 KB Output is correct
2 Correct 9 ms 5208 KB Output is correct
3 Correct 8 ms 5208 KB Output is correct
4 Correct 17 ms 5208 KB Output is correct
5 Correct 11 ms 5200 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 10 ms 5208 KB Output is correct
8 Correct 9 ms 5208 KB Output is correct
9 Correct 12 ms 5208 KB Output is correct
10 Correct 21 ms 5432 KB Output is correct

Subtask #2
70.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 17 ms 5208 KB Output is correct
3 Correct 11 ms 5208 KB Output is correct
4 Correct 21 ms 5452 KB Output is correct
5 Correct 9 ms 4952 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 10 ms 5156 KB Output is correct
8 Correct 9 ms 5208 KB Output is correct
9 Correct 10 ms 5412 KB Output is correct
10 Correct 12 ms 5208 KB Output is correct
11 Correct 9 ms 5208 KB Output is correct
12 Correct 4 ms 4952 KB Output is correct
13 Correct 17 ms 5208 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 6 ms 4952 KB Output is correct
16 Correct 17 ms 5464 KB Output is correct
17 Correct 3 ms 4952 KB Output is correct
18 Partially correct 24 ms 5464 KB Partially correct - number of queries: 5035
19 Correct 3 ms 4952 KB Output is correct
20 Correct 7 ms 2648 KB Output is correct
21 Correct 12 ms 5208 KB Output is correct
22 Correct 7 ms 4952 KB Output is correct
23 Correct 4 ms 4952 KB Output is correct
24 Correct 4 ms 5164 KB Output is correct
25 Correct 13 ms 5464 KB Output is correct
26 Correct 21 ms 5464 KB Output is correct
27 Correct 7 ms 4952 KB Output is correct
28 Partially correct 26 ms 5964 KB Partially correct - number of queries: 6702
29 Partially correct 20 ms 5456 KB Partially correct - number of queries: 5760
30 Partially correct 22 ms 5480 KB Partially correct - number of queries: 5071
31 Correct 3 ms 4952 KB Output is correct
32 Correct 10 ms 5204 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 8 ms 5036 KB Output is correct
35 Correct 9 ms 5208 KB Output is correct
36 Correct 5 ms 4952 KB Output is correct
37 Correct 6 ms 5180 KB Output is correct
38 Correct 4 ms 4952 KB Output is correct
39 Correct 12 ms 5200 KB Output is correct
40 Correct 22 ms 5456 KB Output is correct
41 Correct 13 ms 5208 KB Output is correct
42 Correct 13 ms 5208 KB Output is correct
43 Correct 8 ms 5208 KB Output is correct
44 Correct 8 ms 4952 KB Output is correct
45 Correct 15 ms 5404 KB Output is correct
46 Correct 2 ms 5208 KB Output is correct
47 Correct 16 ms 5464 KB Output is correct
48 Correct 18 ms 5444 KB Output is correct
49 Correct 4 ms 4952 KB Output is correct
50 Partially correct 18 ms 5276 KB Partially correct - number of queries: 5017
51 Correct 9 ms 5160 KB Output is correct
52 Correct 4 ms 4952 KB Output is correct
53 Correct 21 ms 5208 KB Output is correct
54 Correct 14 ms 5200 KB Output is correct
55 Correct 2 ms 4952 KB Output is correct
56 Partially correct 22 ms 5228 KB Partially correct - number of queries: 5029
57 Correct 19 ms 5416 KB Output is correct
58 Correct 11 ms 5204 KB Output is correct
59 Correct 12 ms 5208 KB Output is correct
60 Correct 12 ms 5200 KB Output is correct
61 Correct 24 ms 5208 KB Output is correct
62 Correct 3 ms 4952 KB Output is correct
63 Correct 16 ms 5208 KB Output is correct
64 Correct 8 ms 5212 KB Output is correct
65 Correct 23 ms 5464 KB Output is correct
66 Correct 25 ms 5420 KB Output is correct
67 Correct 18 ms 5208 KB Output is correct
68 Correct 4 ms 4952 KB Output is correct
69 Correct 15 ms 5236 KB Output is correct
70 Correct 25 ms 5408 KB Output is correct
71 Partially correct 16 ms 5208 KB Partially correct - number of queries: 6378
72 Correct 25 ms 5460 KB Output is correct
73 Partially correct 25 ms 5464 KB Partially correct - number of queries: 6346
74 Partially correct 34 ms 5504 KB Partially correct - number of queries: 6362
75 Correct 20 ms 5232 KB Output is correct
76 Partially correct 35 ms 5204 KB Partially correct - number of queries: 6090
77 Partially correct 24 ms 5196 KB Partially correct - number of queries: 6621
78 Correct 22 ms 5404 KB Output is correct
79 Partially correct 23 ms 5500 KB Partially correct - number of queries: 5430
80 Partially correct 30 ms 5480 KB Partially correct - number of queries: 6641
81 Partially correct 37 ms 5772 KB Partially correct - number of queries: 6608
82 Partially correct 28 ms 5272 KB Partially correct - number of queries: 6615
83 Correct 22 ms 5192 KB Output is correct
84 Partially correct 24 ms 5208 KB Partially correct - number of queries: 6237
85 Partially correct 23 ms 5752 KB Partially correct - number of queries: 6620
86 Correct 17 ms 5208 KB Output is correct
87 Correct 12 ms 5208 KB Output is correct
88 Correct 27 ms 5440 KB Output is correct
89 Correct 14 ms 5464 KB Output is correct
90 Correct 19 ms 5212 KB Output is correct
91 Correct 24 ms 5156 KB Output is correct
92 Correct 20 ms 5172 KB Output is correct
93 Correct 21 ms 5440 KB Output is correct
94 Correct 28 ms 5172 KB Output is correct
95 Correct 12 ms 5424 KB Output is correct
96 Correct 19 ms 5408 KB Output is correct
97 Correct 12 ms 5196 KB Output is correct