Submission #1113359

# Submission time Handle Problem Language Result Execution time Memory
1113359 2024-11-16T12:22:59 Z epicci23 The Big Prize (IOI17_prize) C++17
90 / 100
142 ms 2172 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);
  int art=0;
  for(int i=0;i<=500;i++){
  	if(art==5) return Learn(i,n-1);
    vector<int> x = Ask(i);
    if(x[0]+x[1]==0) return i;
    if(x[0]+x[1]>Cache[0]+Cache[1]) art++;
    if(x[0]+x[1]>=Cache[0]+Cache[1]){
      Cache=x;
      suf=Cache[1];
    }
    else suf--;
  }
  return Learn(501,n-1);
}
# Verdict Execution time Memory Grader output
1 Correct 9 ms 336 KB Output is correct
2 Correct 10 ms 592 KB Output is correct
3 Correct 6 ms 336 KB Output is correct
4 Correct 9 ms 336 KB Output is correct
5 Correct 9 ms 712 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 9 ms 336 KB Output is correct
8 Correct 9 ms 336 KB Output is correct
9 Correct 9 ms 336 KB Output is correct
10 Correct 7 ms 500 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 592 KB Output is correct
2 Correct 10 ms 480 KB Output is correct
3 Correct 8 ms 336 KB Output is correct
4 Correct 9 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 848 KB Output is correct
8 Correct 9 ms 464 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 11 ms 592 KB Output is correct
11 Correct 16 ms 892 KB Output is correct
12 Correct 8 ms 504 KB Output is correct
13 Correct 19 ms 724 KB Output is correct
14 Correct 12 ms 336 KB Output is correct
15 Correct 24 ms 592 KB Output is correct
16 Partially correct 97 ms 1476 KB Partially correct - number of queries: 5557
17 Correct 6 ms 336 KB Output is correct
18 Partially correct 134 ms 1476 KB Partially correct - number of queries: 6628
19 Correct 10 ms 476 KB Output is correct
20 Correct 42 ms 780 KB Output is correct
21 Correct 50 ms 924 KB Output is correct
22 Correct 16 ms 520 KB Output is correct
23 Correct 8 ms 512 KB Output is correct
24 Correct 10 ms 592 KB Output is correct
25 Correct 70 ms 800 KB Output is correct
26 Correct 66 ms 948 KB Output is correct
27 Correct 12 ms 592 KB Output is correct
28 Partially correct 121 ms 1204 KB Partially correct - number of queries: 5791
29 Correct 85 ms 1488 KB Output is correct
30 Partially correct 124 ms 1108 KB Partially correct - number of queries: 6509
31 Correct 8 ms 476 KB Output is correct
32 Correct 15 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 39 ms 684 KB Output is correct
35 Correct 13 ms 504 KB Output is correct
36 Correct 27 ms 600 KB Output is correct
37 Correct 12 ms 496 KB Output is correct
38 Correct 9 ms 628 KB Output is correct
39 Correct 54 ms 1352 KB Output is correct
40 Partially correct 112 ms 1256 KB Partially correct - number of queries: 5755
41 Correct 79 ms 784 KB Output is correct
42 Correct 67 ms 796 KB Output is correct
43 Correct 67 ms 764 KB Output is correct
44 Correct 48 ms 744 KB Output is correct
45 Correct 40 ms 632 KB Output is correct
46 Correct 9 ms 592 KB Output is correct
47 Correct 57 ms 512 KB Output is correct
48 Correct 86 ms 984 KB Output is correct
49 Correct 16 ms 336 KB Output is correct
50 Partially correct 123 ms 1648 KB Partially correct - number of queries: 6618
51 Correct 46 ms 996 KB Output is correct
52 Correct 10 ms 712 KB Output is correct
53 Correct 14 ms 724 KB Output is correct
54 Correct 57 ms 868 KB Output is correct
55 Correct 8 ms 848 KB Output is correct
56 Partially correct 142 ms 1612 KB Partially correct - number of queries: 6656
57 Correct 94 ms 840 KB Output is correct
58 Correct 93 ms 1596 KB Output is correct
59 Correct 63 ms 1132 KB Output is correct
60 Correct 64 ms 1104 KB Output is correct
61 Correct 12 ms 848 KB Output is correct
62 Correct 10 ms 592 KB Output is correct
63 Correct 11 ms 336 KB Output is correct
64 Correct 12 ms 592 KB Output is correct
65 Correct 9 ms 728 KB Output is correct
66 Correct 17 ms 520 KB Output is correct
67 Correct 7 ms 336 KB Output is correct
68 Correct 8 ms 456 KB Output is correct
69 Correct 15 ms 1272 KB Output is correct
70 Correct 9 ms 740 KB Output is correct
71 Partially correct 121 ms 1200 KB Partially correct - number of queries: 6536
72 Correct 19 ms 472 KB Output is correct
73 Partially correct 120 ms 1392 KB Partially correct - number of queries: 6459
74 Partially correct 122 ms 1252 KB Partially correct - number of queries: 6492
75 Correct 12 ms 504 KB Output is correct
76 Partially correct 110 ms 1088 KB Partially correct - number of queries: 5744
77 Partially correct 112 ms 1128 KB Partially correct - number of queries: 6200
78 Correct 18 ms 504 KB Output is correct
79 Correct 64 ms 1228 KB Output is correct
80 Partially correct 107 ms 1216 KB Partially correct - number of queries: 6182
81 Partially correct 117 ms 2172 KB Partially correct - number of queries: 6242
82 Partially correct 124 ms 1108 KB Partially correct - number of queries: 6074
83 Correct 12 ms 448 KB Output is correct
84 Partially correct 104 ms 1296 KB Partially correct - number of queries: 5229
85 Partially correct 105 ms 1384 KB Partially correct - number of queries: 6219
86 Correct 9 ms 336 KB Output is correct
87 Correct 9 ms 592 KB Output is correct
88 Correct 8 ms 504 KB Output is correct
89 Correct 7 ms 448 KB Output is correct
90 Correct 7 ms 336 KB Output is correct
91 Correct 9 ms 336 KB Output is correct
92 Correct 9 ms 472 KB Output is correct
93 Correct 17 ms 592 KB Output is correct
94 Correct 16 ms 336 KB Output is correct
95 Correct 14 ms 760 KB Output is correct
96 Correct 12 ms 760 KB Output is correct
97 Correct 7 ms 336 KB Output is correct