답안 #47715

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
47715 2018-05-06T15:20:54 Z gusfring 커다란 상품 (IOI17_prize) C++14
90 / 100
85 ms 576 KB
#include <bits/stdc++.h>
#include "prize.h"

using namespace std;
 
const int MAXN = 2e5 + 5;
 
int find_best(int n){
  int sum = 0, p = 500;
  for(int i=0; i<min(n, 500); ++i){
    vector<int> v = ask(i);
    sum = max(sum, v[0] + v[1]);
    if(v[0] + v[1] == 0) return i;
  }
  while(p < n){
    vector<int> v = ask(p);
    if(v[0] + v[1] == 0) return p;
    int lo = p + 1, hi = n - 1, mid;
    if(v[0] + v[1] == sum){
      while(lo <= hi){
        mid = (lo + hi)/2;
        vector<int> ans = ask(mid);
        if(ans[0] + ans[1] == 0) return mid;
        if(lo == hi) break;
        if(ans[0] + ans[1] < sum) hi = mid;
        else{
          if(v[1] - ans[1] > 0) hi = mid - 1;
          else lo = mid + 1;
        }
      }
      p = lo + 1;
    }
		else p++;
  }
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 248 KB Output is correct
2 Correct 7 ms 436 KB Output is correct
3 Correct 8 ms 540 KB Output is correct
4 Correct 6 ms 540 KB Output is correct
5 Correct 4 ms 540 KB Output is correct
6 Correct 2 ms 540 KB Output is correct
7 Correct 5 ms 540 KB Output is correct
8 Correct 7 ms 544 KB Output is correct
9 Correct 5 ms 544 KB Output is correct
10 Correct 5 ms 544 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 552 KB Output is correct
2 Correct 6 ms 552 KB Output is correct
3 Correct 6 ms 552 KB Output is correct
4 Correct 3 ms 552 KB Output is correct
5 Correct 6 ms 552 KB Output is correct
6 Correct 2 ms 552 KB Output is correct
7 Correct 6 ms 552 KB Output is correct
8 Correct 6 ms 552 KB Output is correct
9 Correct 6 ms 552 KB Output is correct
10 Correct 6 ms 552 KB Output is correct
11 Correct 9 ms 552 KB Output is correct
12 Correct 5 ms 552 KB Output is correct
13 Correct 6 ms 552 KB Output is correct
14 Correct 7 ms 552 KB Output is correct
15 Correct 15 ms 552 KB Output is correct
16 Partially correct 58 ms 556 KB Partially correct - number of queries: 7575
17 Correct 4 ms 556 KB Output is correct
18 Partially correct 67 ms 556 KB Partially correct - number of queries: 8808
19 Correct 3 ms 556 KB Output is correct
20 Correct 17 ms 556 KB Output is correct
21 Correct 31 ms 556 KB Output is correct
22 Correct 10 ms 556 KB Output is correct
23 Correct 5 ms 556 KB Output is correct
24 Correct 4 ms 556 KB Output is correct
25 Partially correct 30 ms 556 KB Partially correct - number of queries: 5174
26 Partially correct 40 ms 556 KB Partially correct - number of queries: 5113
27 Correct 8 ms 556 KB Output is correct
28 Partially correct 33 ms 572 KB Partially correct - number of queries: 8385
29 Partially correct 27 ms 572 KB Partially correct - number of queries: 6460
30 Partially correct 82 ms 572 KB Partially correct - number of queries: 8742
31 Correct 5 ms 572 KB Output is correct
32 Correct 9 ms 572 KB Output is correct
33 Correct 2 ms 572 KB Output is correct
34 Correct 14 ms 572 KB Output is correct
35 Correct 8 ms 572 KB Output is correct
36 Correct 23 ms 572 KB Output is correct
37 Correct 6 ms 572 KB Output is correct
38 Correct 4 ms 572 KB Output is correct
39 Correct 45 ms 572 KB Output is correct
40 Partially correct 79 ms 572 KB Partially correct - number of queries: 7542
41 Partially correct 53 ms 572 KB Partially correct - number of queries: 5455
42 Partially correct 41 ms 572 KB Partially correct - number of queries: 5455
43 Correct 53 ms 572 KB Output is correct
44 Correct 29 ms 572 KB Output is correct
45 Correct 32 ms 572 KB Output is correct
46 Correct 4 ms 572 KB Output is correct
47 Correct 43 ms 572 KB Output is correct
48 Partially correct 47 ms 572 KB Partially correct - number of queries: 6634
49 Correct 7 ms 572 KB Output is correct
50 Partially correct 85 ms 572 KB Partially correct - number of queries: 8797
51 Correct 33 ms 572 KB Output is correct
52 Correct 8 ms 572 KB Output is correct
53 Correct 7 ms 572 KB Output is correct
54 Correct 17 ms 572 KB Output is correct
55 Correct 6 ms 572 KB Output is correct
56 Partially correct 75 ms 572 KB Partially correct - number of queries: 8797
57 Partially correct 38 ms 572 KB Partially correct - number of queries: 6560
58 Partially correct 66 ms 572 KB Partially correct - number of queries: 6661
59 Partially correct 45 ms 572 KB Partially correct - number of queries: 5455
60 Partially correct 48 ms 572 KB Partially correct - number of queries: 5098
61 Correct 7 ms 572 KB Output is correct
62 Correct 4 ms 576 KB Output is correct
63 Correct 7 ms 576 KB Output is correct
64 Correct 4 ms 576 KB Output is correct
65 Correct 5 ms 576 KB Output is correct
66 Correct 9 ms 576 KB Output is correct
67 Correct 8 ms 576 KB Output is correct
68 Correct 5 ms 576 KB Output is correct
69 Correct 13 ms 576 KB Output is correct
70 Correct 6 ms 576 KB Output is correct
71 Partially correct 79 ms 576 KB Partially correct - number of queries: 8756
72 Correct 8 ms 576 KB Output is correct
73 Partially correct 58 ms 576 KB Partially correct - number of queries: 8648
74 Partially correct 66 ms 576 KB Partially correct - number of queries: 8696
75 Correct 7 ms 576 KB Output is correct
76 Partially correct 30 ms 576 KB Partially correct - number of queries: 7560
77 Partially correct 79 ms 576 KB Partially correct - number of queries: 8823
78 Correct 10 ms 576 KB Output is correct
79 Correct 19 ms 576 KB Output is correct
80 Partially correct 70 ms 576 KB Partially correct - number of queries: 8836
81 Partially correct 70 ms 576 KB Partially correct - number of queries: 8841
82 Partially correct 76 ms 576 KB Partially correct - number of queries: 8737
83 Correct 4 ms 576 KB Output is correct
84 Partially correct 31 ms 576 KB Partially correct - number of queries: 7276
85 Partially correct 83 ms 576 KB Partially correct - number of queries: 8800
86 Correct 6 ms 576 KB Output is correct
87 Correct 4 ms 576 KB Output is correct
88 Correct 6 ms 576 KB Output is correct
89 Correct 6 ms 576 KB Output is correct
90 Correct 5 ms 576 KB Output is correct
91 Correct 5 ms 576 KB Output is correct
92 Correct 5 ms 576 KB Output is correct
93 Correct 5 ms 576 KB Output is correct
94 Correct 8 ms 576 KB Output is correct
95 Correct 9 ms 576 KB Output is correct
96 Correct 7 ms 576 KB Output is correct
97 Correct 4 ms 576 KB Output is correct