oj.uz

Submission #89181

# Submission time Handle Problem Language Result Execution time Memory
89181 2018-12-10T21:48:53 Z igzi The Big Prize (IOI17_prize) C++17
20 / 100
 87 ms 5608 KB 
#include <bits/stdc++.h>
#define D 500
#include "prize.h"
#define maxN 200002
 
using namespace std;
 
int i,x=0;
vector <int> v,a[maxN];
vector <int> u,q;
 
int find_best(int n){
    for(i=0;i*i<n+20000 && i<n;i++){
    if(a[i].empty()) a[i]=ask(i);
    if(a[i][0]+a[i][1]>x) x=a[i][0]+a[i][1];
    if(a[i][0]+a[i][1]==0) return i;
}
if(n>D){
for(i=0;i<D;i++){
if(a[i*(n/D)].empty()) a[i*(n/D)]=ask(i*(n/D));
if(a[i*(n/D)][0]+a[i*(n/D)][1]==x) {u.push_back(a[i*(n/D)][0]); q.push_back(i*(n/D));}
}
}
u.push_back(n);
q.push_back(n);
int p=-1;
for(int i=0;i<x;i++){
  int l,d,m,tmp;
  tmp=lower_bound(u.begin(),u.end(),v.size()+1)-u.begin();
  l=p+1; d=q[tmp];
  while(l<d){
    m=(l+d)/2;
    if(a[m].empty()) a[m]=ask(m);
    if(a[m][0]+a[m][1]==x){
        if(a[m][0]-v.size()>0) d=m-1;
        else l=m+1;
    }
    else{
        d=m;
    }
  }
  v.push_back(l);
  p=l;
}
for(i=0;i<v.size();i++){
   if(a[v[i]].empty()) a[v[i]]=ask(v[i]);
   if(a[v[i]][0]+a[v[i]][1]==0) return v[i];
}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:45:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for(i=0;i<v.size();i++){
         ~^~~~~~~~~
prize.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 5136 KB Output is correct
2 Correct 10 ms 5208 KB Output is correct
3 Correct 11 ms 5208 KB Output is correct
4 Correct 14 ms 5208 KB Output is correct
5 Correct 11 ms 5244 KB Output is correct
6 Correct 7 ms 5244 KB Output is correct
7 Correct 15 ms 5244 KB Output is correct
8 Correct 16 ms 5248 KB Output is correct
9 Correct 11 ms 5292 KB Output is correct
10 Correct 16 ms 5292 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 5292 KB Output is correct
2 Correct 10 ms 5292 KB Output is correct
3 Correct 11 ms 5292 KB Output is correct
4 Correct 11 ms 5292 KB Output is correct
5 Correct 11 ms 5292 KB Output is correct
6 Correct 7 ms 5292 KB Output is correct
7 Correct 18 ms 5308 KB Output is correct
8 Correct 17 ms 5308 KB Output is correct
9 Correct 17 ms 5308 KB Output is correct
10 Correct 16 ms 5308 KB Output is correct
11 Correct 17 ms 5308 KB Output is correct
12 Correct 12 ms 5308 KB Output is correct
13 Correct 20 ms 5308 KB Output is correct
14 Correct 20 ms 5308 KB Output is correct
15 Correct 48 ms 5308 KB Output is correct
16 Partially correct 42 ms 5608 KB Partially correct - number of queries: 5231
17 Correct 9 ms 5608 KB Output is correct
18 Partially correct 28 ms 5608 KB Partially correct - number of queries: 5275
19 Correct 10 ms 5608 KB Output is correct
20 Correct 21 ms 5608 KB Output is correct
21 Partially correct 87 ms 5608 KB Partially correct - number of queries: 5088
22 Correct 45 ms 5608 KB Output is correct
23 Correct 15 ms 5608 KB Output is correct
24 Correct 18 ms 5608 KB Output is correct
25 Correct 46 ms 5608 KB Output is correct
26 Partially correct 41 ms 5608 KB Partially correct - number of queries: 5006
27 Correct 14 ms 5608 KB Output is correct
28 Partially correct 27 ms 5608 KB Partially correct - number of queries: 5045
29 Correct 25 ms 5608 KB Output is correct
30 Partially correct 55 ms 5608 KB Partially correct - number of queries: 5222
31 Correct 8 ms 5608 KB Output is correct
32 Correct 21 ms 5608 KB Output is correct
33 Correct 6 ms 5608 KB Output is correct
34 Partially correct 49 ms 5608 KB Partially correct - number of queries: 5120
35 Correct 18 ms 5608 KB Output is correct
36 Partially correct 29 ms 5608 KB Partially correct - number of queries: 5087
37 Correct 19 ms 5608 KB Output is correct
38 Correct 17 ms 5608 KB Output is correct
39 Partially correct 26 ms 5608 KB Partially correct - number of queries: 5101
40 Correct 50 ms 5608 KB Output is correct
41 Partially correct 62 ms 5608 KB Partially correct - number of queries: 5172
42 Partially correct 50 ms 5608 KB Partially correct - number of queries: 5172
43 Partially correct 55 ms 5608 KB Partially correct - number of queries: 5039
44 Partially correct 29 ms 5608 KB Partially correct - number of queries: 5129
45 Correct 30 ms 5608 KB Output is correct
46 Correct 11 ms 5608 KB Output is correct
47 Partially correct 54 ms 5608 KB Partially correct - number of queries: 5001
48 Partially correct 28 ms 5608 KB Partially correct - number of queries: 5211
49 Partially correct 26 ms 5608 KB Partially correct - number of queries: 5088
50 Partially correct 40 ms 5608 KB Partially correct - number of queries: 5270
51 Partially correct 26 ms 5608 KB Partially correct - number of queries: 5142
52 Partially correct 49 ms 5608 KB Partially correct - number of queries: 5069
53 Correct 18 ms 5608 KB Output is correct
54 Partially correct 51 ms 5608 KB Partially correct - number of queries: 5122
55 Correct 10 ms 5608 KB Output is correct
56 Partially correct 49 ms 5608 KB Partially correct - number of queries: 5242
57 Partially correct 52 ms 5608 KB Partially correct - number of queries: 5184
58 Partially correct 29 ms 5608 KB Partially correct - number of queries: 5194
59 Partially correct 54 ms 5608 KB Partially correct - number of queries: 5183
60 Partially correct 27 ms 5608 KB Partially correct - number of queries: 5159
61 Correct 15 ms 5608 KB Output is correct
62 Correct 15 ms 5608 KB Output is correct
63 Correct 10 ms 5608 KB Output is correct
64 Correct 10 ms 5608 KB Output is correct
65 Correct 16 ms 5608 KB Output is correct
66 Correct 22 ms 5608 KB Output is correct
67 Correct 19 ms 5608 KB Output is correct
68 Correct 9 ms 5608 KB Output is correct
69 Correct 21 ms 5608 KB Output is correct
70 Correct 12 ms 5608 KB Output is correct
71 Partially correct 56 ms 5608 KB Partially correct - number of queries: 5248
72 Correct 20 ms 5608 KB Output is correct
73 Partially correct 28 ms 5608 KB Partially correct - number of queries: 5192
74 Partially correct 57 ms 5608 KB Partially correct - number of queries: 5216
75 Correct 18 ms 5608 KB Output is correct
76 Correct 47 ms 5608 KB Output is correct
77 Partially correct 60 ms 5608 KB Partially correct - number of queries: 5237
78 Correct 19 ms 5608 KB Output is correct
79 Correct 40 ms 5608 KB Output is correct
80 Partially correct 56 ms 5608 KB Partially correct - number of queries: 5217
81 Partially correct 51 ms 5608 KB Partially correct - number of queries: 5236
82 Partially correct 49 ms 5608 KB Partially correct - number of queries: 5181
83 Correct 15 ms 5608 KB Output is correct
84 Correct 42 ms 5608 KB Output is correct
85 Partially correct 50 ms 5608 KB Partially correct - number of queries: 5224
86 Incorrect 19 ms 5608 KB answer is not correct
87 Halted 0 ms 0 KB -