답안 #59001

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
59001 2018-07-20T02:17:05 Z tugushka 커다란 상품 (IOI17_prize) C++14
97.31 / 100
73 ms 1212 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;

vector < int > res, a;
map < int, vector < int > > x;
map < int , int > cnt;
int sq, mx;

int find_best(int n){
	int now = 0, low = 0;
	sq = sqrt(n);
	
	/*
	for( ; now < min(sq+30, n-1) ; now++ ){
		res = ask(now);
		x[now] = res;
		cnt[res[0]+res[1]]++;
		mx = max( res[0]+res[1], mx );
		if( res[0] == 0 && res[1] == 0 ) return now;
	}
	
	for( map < int, int > :: iterator it = cnt.begin() ; it != cnt.end() ; it++ ){
		if( it -> first != mx ) low += it->second;
	}
	*/
	
	while( 1 ){
		if( x[now].empty() ) res = ask(now);
		else res = x[now];
		x[now] = res;
		mx = max(mx, res[0]+res[1]);
		if( res[0] == 0 && res[1] == 0 ) return now;
		
		if( res[0]+res[1] == mx ){
			int l = now+1, r = min(n-1, now + 3*sq);
			while( l < r ){
				int mid = (l+r+1)/2;
				if( x[mid].empty() )
					a = ask(mid),
					x[mid] = a;
				else a = x[mid];
				
				if( !a[0] && !a[1] ) return mid;
				
				if( res[0] == a[0] && res[1] == a[1] )
					l = mid;
				else r = mid-1;
			}
			now = l+1;
		}
		else now++;
	}
	return 0;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:15: warning: unused variable 'low' [-Wunused-variable]
  int now = 0, low = 0;
               ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 248 KB Output is correct
2 Correct 9 ms 436 KB Output is correct
3 Correct 8 ms 436 KB Output is correct
4 Correct 14 ms 600 KB Output is correct
5 Correct 10 ms 600 KB Output is correct
6 Correct 2 ms 600 KB Output is correct
7 Correct 8 ms 600 KB Output is correct
8 Correct 14 ms 600 KB Output is correct
9 Correct 11 ms 600 KB Output is correct
10 Correct 17 ms 776 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 776 KB Output is correct
2 Correct 12 ms 776 KB Output is correct
3 Correct 14 ms 776 KB Output is correct
4 Correct 16 ms 776 KB Output is correct
5 Correct 7 ms 776 KB Output is correct
6 Correct 2 ms 776 KB Output is correct
7 Correct 8 ms 776 KB Output is correct
8 Correct 10 ms 776 KB Output is correct
9 Correct 14 ms 776 KB Output is correct
10 Correct 17 ms 776 KB Output is correct
11 Correct 11 ms 776 KB Output is correct
12 Correct 2 ms 776 KB Output is correct
13 Correct 23 ms 776 KB Output is correct
14 Correct 4 ms 776 KB Output is correct
15 Correct 10 ms 776 KB Output is correct
16 Correct 24 ms 1020 KB Output is correct
17 Correct 2 ms 1020 KB Output is correct
18 Partially correct 57 ms 1172 KB Partially correct - number of queries: 5194
19 Correct 3 ms 1172 KB Output is correct
20 Correct 13 ms 1172 KB Output is correct
21 Correct 19 ms 1172 KB Output is correct
22 Correct 6 ms 1172 KB Output is correct
23 Correct 6 ms 1172 KB Output is correct
24 Correct 4 ms 1172 KB Output is correct
25 Correct 37 ms 1172 KB Output is correct
26 Correct 27 ms 1172 KB Output is correct
27 Correct 6 ms 1172 KB Output is correct
28 Partially correct 47 ms 1172 KB Partially correct - number of queries: 5144
29 Correct 46 ms 1172 KB Output is correct
30 Correct 64 ms 1172 KB Output is correct
31 Correct 2 ms 1172 KB Output is correct
32 Correct 14 ms 1172 KB Output is correct
33 Correct 2 ms 1172 KB Output is correct
34 Correct 15 ms 1172 KB Output is correct
35 Correct 12 ms 1172 KB Output is correct
36 Correct 16 ms 1172 KB Output is correct
37 Correct 7 ms 1172 KB Output is correct
38 Correct 5 ms 1172 KB Output is correct
39 Correct 23 ms 1172 KB Output is correct
40 Correct 47 ms 1172 KB Output is correct
41 Correct 35 ms 1172 KB Output is correct
42 Correct 40 ms 1172 KB Output is correct
43 Correct 29 ms 1172 KB Output is correct
44 Correct 12 ms 1172 KB Output is correct
45 Correct 20 ms 1172 KB Output is correct
46 Correct 2 ms 1172 KB Output is correct
47 Correct 37 ms 1172 KB Output is correct
48 Correct 31 ms 1172 KB Output is correct
49 Correct 6 ms 1172 KB Output is correct
50 Partially correct 23 ms 1172 KB Partially correct - number of queries: 5196
51 Correct 23 ms 1172 KB Output is correct
52 Correct 2 ms 1172 KB Output is correct
53 Correct 16 ms 1172 KB Output is correct
54 Correct 25 ms 1172 KB Output is correct
55 Correct 2 ms 1172 KB Output is correct
56 Partially correct 26 ms 1172 KB Partially correct - number of queries: 5196
57 Correct 47 ms 1172 KB Output is correct
58 Correct 32 ms 1172 KB Output is correct
59 Correct 32 ms 1172 KB Output is correct
60 Correct 22 ms 1172 KB Output is correct
61 Correct 16 ms 1172 KB Output is correct
62 Correct 6 ms 1172 KB Output is correct
63 Correct 23 ms 1172 KB Output is correct
64 Correct 11 ms 1172 KB Output is correct
65 Correct 21 ms 1172 KB Output is correct
66 Correct 29 ms 1172 KB Output is correct
67 Correct 23 ms 1172 KB Output is correct
68 Correct 3 ms 1172 KB Output is correct
69 Correct 24 ms 1172 KB Output is correct
70 Correct 20 ms 1172 KB Output is correct
71 Partially correct 50 ms 1172 KB Partially correct - number of queries: 5117
72 Correct 11 ms 1172 KB Output is correct
73 Partially correct 53 ms 1172 KB Partially correct - number of queries: 5047
74 Partially correct 58 ms 1172 KB Partially correct - number of queries: 5077
75 Correct 19 ms 1172 KB Output is correct
76 Correct 49 ms 1172 KB Output is correct
77 Partially correct 47 ms 1172 KB Partially correct - number of queries: 5246
78 Correct 21 ms 1172 KB Output is correct
79 Correct 26 ms 1172 KB Output is correct
80 Partially correct 26 ms 1172 KB Partially correct - number of queries: 5269
81 Partially correct 46 ms 1172 KB Partially correct - number of queries: 5245
82 Partially correct 73 ms 1172 KB Partially correct - number of queries: 5183
83 Correct 22 ms 1172 KB Output is correct
84 Correct 41 ms 1172 KB Output is correct
85 Partially correct 30 ms 1212 KB Partially correct - number of queries: 5254
86 Correct 14 ms 1212 KB Output is correct
87 Correct 15 ms 1212 KB Output is correct
88 Correct 17 ms 1212 KB Output is correct
89 Correct 19 ms 1212 KB Output is correct
90 Correct 16 ms 1212 KB Output is correct
91 Correct 31 ms 1212 KB Output is correct
92 Correct 16 ms 1212 KB Output is correct
93 Correct 15 ms 1212 KB Output is correct
94 Correct 15 ms 1212 KB Output is correct
95 Correct 16 ms 1212 KB Output is correct
96 Correct 10 ms 1212 KB Output is correct
97 Correct 12 ms 1212 KB Output is correct