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답안 #1113349

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1113349 2024-11-16T12:18:47 Z epicci23 커다란 상품 (IOI17_prize) C++17
90 / 100
 134 ms 2524 KB 
#include "bits/stdc++.h"
#include "prize.h"
//#define int long long
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
using namespace std;

const int S = 100;
const int S2 = 10;

int suf = -1;
vector<int> Cache={-1,-1};
map<int,vector<int>> dp;

vector<int> Ask(int i){
  if(dp.count(i)) return dp[i];
  return dp[i]=ask(i);
}

int ask_all(int l,int r){
  for(int i=l;i<=r;i++){
    vector<int> x = Ask(i);
    if(x[0]+x[1]==0) return i;
    if(x[1]==suf) Cache=x;
    else suf--;
  }
  return -23;
}

int Learn(int l,int r){
  if(l>r) return -1;
  if(l==r){
    auto u = Ask(l);
    if(u[0]+u[1]==0) return l;
    if(u[1]==suf) Cache=u;
    else suf--;
    return -1;
  }
  auto X = Ask(r);
  if(X[0]+X[1]==0) return r;
  if(X[1]==suf) return -1;
  int mid = (l+r)/2;
  auto u = Ask(mid);
  if(u[0]+u[1]==0) return mid;
  if(u[1]==suf) return Learn(mid+1,r);
  int lf = Learn(l,mid-1);
  if(lf!=-1) return lf;
  if(u[1]==suf) Cache=u;
  else suf--;
  return Learn(mid+1,r);
}

int find_best(int n){
  if(n<=1000) return ask_all(0,n-1);
  for(int i=0;i<=500;i++){
    vector<int> x = Ask(i);
    if(x[0]+x[1]==0) return i;
    if(x[0]+x[1]>=Cache[0]+Cache[1]){
      Cache=x;
      suf=Cache[1];
    }
    else suf--;
  }
  return Learn(501,n-1);
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 592 KB Output is correct
2 Correct 10 ms 484 KB Output is correct
3 Correct 9 ms 336 KB Output is correct
4 Correct 8 ms 592 KB Output is correct
5 Correct 10 ms 592 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 9 ms 592 KB Output is correct
8 Correct 9 ms 848 KB Output is correct
9 Correct 9 ms 700 KB Output is correct
10 Correct 9 ms 336 KB Output is correct

Subtask #2
70.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 736 KB Output is correct
2 Correct 9 ms 336 KB Output is correct
3 Correct 8 ms 596 KB Output is correct
4 Correct 10 ms 336 KB Output is correct
5 Correct 9 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 10 ms 704 KB Output is correct
8 Correct 7 ms 336 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 9 ms 468 KB Output is correct
11 Correct 12 ms 744 KB Output is correct
12 Correct 11 ms 752 KB Output is correct
13 Correct 18 ms 592 KB Output is correct
14 Correct 11 ms 492 KB Output is correct
15 Correct 18 ms 336 KB Output is correct
16 Partially correct 101 ms 1504 KB Partially correct - number of queries: 5557
17 Correct 7 ms 336 KB Output is correct
18 Partially correct 123 ms 1624 KB Partially correct - number of queries: 6628
19 Correct 7 ms 336 KB Output is correct
20 Correct 34 ms 824 KB Output is correct
21 Correct 41 ms 800 KB Output is correct
22 Correct 16 ms 780 KB Output is correct
23 Correct 9 ms 476 KB Output is correct
24 Correct 10 ms 592 KB Output is correct
25 Correct 55 ms 1076 KB Output is correct
26 Correct 71 ms 740 KB Output is correct
27 Correct 12 ms 336 KB Output is correct
28 Partially correct 103 ms 1540 KB Partially correct - number of queries: 5791
29 Correct 85 ms 1172 KB Output is correct
30 Partially correct 127 ms 1368 KB Partially correct - number of queries: 6509
31 Correct 8 ms 336 KB Output is correct
32 Correct 15 ms 592 KB Output is correct
33 Correct 1 ms 508 KB Output is correct
34 Correct 42 ms 692 KB Output is correct
35 Correct 11 ms 596 KB Output is correct
36 Correct 36 ms 1000 KB Output is correct
37 Correct 13 ms 588 KB Output is correct
38 Correct 9 ms 592 KB Output is correct
39 Correct 54 ms 776 KB Output is correct
40 Partially correct 108 ms 1084 KB Partially correct - number of queries: 5755
41 Correct 66 ms 848 KB Output is correct
42 Correct 63 ms 924 KB Output is correct
43 Correct 56 ms 920 KB Output is correct
44 Correct 42 ms 904 KB Output is correct
45 Correct 40 ms 1040 KB Output is correct
46 Correct 6 ms 504 KB Output is correct
47 Correct 44 ms 884 KB Output is correct
48 Correct 91 ms 952 KB Output is correct
49 Correct 18 ms 736 KB Output is correct
50 Partially correct 118 ms 2524 KB Partially correct - number of queries: 6618
51 Correct 53 ms 904 KB Output is correct
52 Correct 11 ms 476 KB Output is correct
53 Correct 12 ms 712 KB Output is correct
54 Correct 45 ms 764 KB Output is correct
55 Correct 8 ms 336 KB Output is correct
56 Partially correct 113 ms 1576 KB Partially correct - number of queries: 6656
57 Correct 89 ms 1736 KB Output is correct
58 Correct 74 ms 976 KB Output is correct
59 Correct 88 ms 1072 KB Output is correct
60 Correct 68 ms 1044 KB Output is correct
61 Correct 10 ms 616 KB Output is correct
62 Correct 9 ms 336 KB Output is correct
63 Correct 14 ms 444 KB Output is correct
64 Correct 14 ms 592 KB Output is correct
65 Correct 8 ms 848 KB Output is correct
66 Correct 18 ms 712 KB Output is correct
67 Correct 8 ms 336 KB Output is correct
68 Correct 8 ms 592 KB Output is correct
69 Correct 16 ms 584 KB Output is correct
70 Correct 10 ms 336 KB Output is correct
71 Partially correct 125 ms 2324 KB Partially correct - number of queries: 6536
72 Correct 17 ms 604 KB Output is correct
73 Partially correct 134 ms 1304 KB Partially correct - number of queries: 6459
74 Partially correct 124 ms 2160 KB Partially correct - number of queries: 6492
75 Correct 12 ms 336 KB Output is correct
76 Partially correct 113 ms 1092 KB Partially correct - number of queries: 5744
77 Partially correct 124 ms 1232 KB Partially correct - number of queries: 6200
78 Correct 19 ms 756 KB Output is correct
79 Correct 66 ms 940 KB Output is correct
80 Partially correct 118 ms 1320 KB Partially correct - number of queries: 6182
81 Partially correct 102 ms 1520 KB Partially correct - number of queries: 6242
82 Partially correct 127 ms 1760 KB Partially correct - number of queries: 6074
83 Correct 15 ms 972 KB Output is correct
84 Partially correct 87 ms 1404 KB Partially correct - number of queries: 5229
85 Partially correct 124 ms 988 KB Partially correct - number of queries: 6219
86 Correct 12 ms 592 KB Output is correct
87 Correct 10 ms 492 KB Output is correct
88 Correct 8 ms 336 KB Output is correct
89 Correct 9 ms 604 KB Output is correct
90 Correct 10 ms 468 KB Output is correct
91 Correct 9 ms 336 KB Output is correct
92 Correct 11 ms 596 KB Output is correct
93 Correct 15 ms 528 KB Output is correct
94 Correct 17 ms 508 KB Output is correct
95 Correct 12 ms 504 KB Output is correct
96 Correct 15 ms 504 KB Output is correct
97 Correct 9 ms 336 KB Output is correct