oj.uz

Submission #89179

# Submission time Handle Problem Language Result Execution time Memory
89179 2018-12-10T21:45:42 Z igzi The Big Prize (IOI17_prize) C++17
94.57 / 100
 65 ms 5532 KB 
#include <bits/stdc++.h>
#define D 400
#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<n && i<500;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 15 ms 4984 KB Output is correct
2 Correct 15 ms 5060 KB Output is correct
3 Correct 17 ms 5196 KB Output is correct
4 Correct 15 ms 5196 KB Output is correct
5 Correct 15 ms 5212 KB Output is correct
6 Correct 7 ms 5216 KB Output is correct
7 Correct 14 ms 5216 KB Output is correct
8 Correct 14 ms 5256 KB Output is correct
9 Correct 14 ms 5256 KB Output is correct
10 Correct 10 ms 5264 KB Output is correct

Subtask #2
74.57 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 5276 KB Output is correct
2 Correct 17 ms 5276 KB Output is correct
3 Correct 14 ms 5276 KB Output is correct
4 Correct 15 ms 5276 KB Output is correct
5 Correct 10 ms 5276 KB Output is correct
6 Correct 6 ms 5308 KB Output is correct
7 Correct 15 ms 5308 KB Output is correct
8 Correct 16 ms 5308 KB Output is correct
9 Correct 10 ms 5332 KB Output is correct
10 Correct 17 ms 5332 KB Output is correct
11 Correct 18 ms 5332 KB Output is correct
12 Correct 20 ms 5332 KB Output is correct
13 Correct 21 ms 5332 KB Output is correct
14 Correct 24 ms 5332 KB Output is correct
15 Correct 26 ms 5420 KB Output is correct
16 Partially correct 53 ms 5420 KB Partially correct - number of queries: 5199
17 Correct 11 ms 5420 KB Output is correct
18 Partially correct 51 ms 5420 KB Partially correct - number of queries: 5232
19 Correct 8 ms 5420 KB Output is correct
20 Correct 37 ms 5420 KB Output is correct
21 Partially correct 64 ms 5420 KB Partially correct - number of queries: 5062
22 Correct 43 ms 5444 KB Output is correct
23 Correct 18 ms 5444 KB Output is correct
24 Correct 12 ms 5444 KB Output is correct
25 Correct 52 ms 5444 KB Output is correct
26 Correct 56 ms 5444 KB Output is correct
27 Correct 16 ms 5444 KB Output is correct
28 Partially correct 38 ms 5468 KB Partially correct - number of queries: 5056
29 Correct 49 ms 5468 KB Output is correct
30 Partially correct 51 ms 5468 KB Partially correct - number of queries: 5194
31 Correct 11 ms 5468 KB Output is correct
32 Correct 12 ms 5468 KB Output is correct
33 Correct 6 ms 5468 KB Output is correct
34 Partially correct 52 ms 5468 KB Partially correct - number of queries: 5088
35 Correct 17 ms 5468 KB Output is correct
36 Partially correct 26 ms 5472 KB Partially correct - number of queries: 5054
37 Correct 18 ms 5472 KB Output is correct
38 Correct 17 ms 5472 KB Output is correct
39 Partially correct 48 ms 5472 KB Partially correct - number of queries: 5087
40 Correct 45 ms 5472 KB Output is correct
41 Partially correct 28 ms 5472 KB Partially correct - number of queries: 5136
42 Partially correct 57 ms 5472 KB Partially correct - number of queries: 5136
43 Correct 61 ms 5472 KB Output is correct
44 Partially correct 50 ms 5472 KB Partially correct - number of queries: 5100
45 Correct 53 ms 5472 KB Output is correct
46 Correct 11 ms 5472 KB Output is correct
47 Correct 49 ms 5472 KB Output is correct
48 Partially correct 59 ms 5472 KB Partially correct - number of queries: 5187
49 Partially correct 52 ms 5472 KB Partially correct - number of queries: 5040
50 Partially correct 56 ms 5472 KB Partially correct - number of queries: 5238
51 Partially correct 60 ms 5472 KB Partially correct - number of queries: 5114
52 Partially correct 52 ms 5472 KB Partially correct - number of queries: 5035
53 Correct 18 ms 5472 KB Output is correct
54 Partially correct 62 ms 5472 KB Partially correct - number of queries: 5079
55 Correct 7 ms 5472 KB Output is correct
56 Partially correct 55 ms 5472 KB Partially correct - number of queries: 5231
57 Partially correct 28 ms 5472 KB Partially correct - number of queries: 5142
58 Partially correct 63 ms 5472 KB Partially correct - number of queries: 5169
59 Partially correct 65 ms 5472 KB Partially correct - number of queries: 5131
60 Partially correct 57 ms 5472 KB Partially correct - number of queries: 5107
61 Correct 11 ms 5472 KB Output is correct
62 Correct 16 ms 5472 KB Output is correct
63 Correct 15 ms 5472 KB Output is correct
64 Correct 13 ms 5472 KB Output is correct
65 Correct 15 ms 5472 KB Output is correct
66 Correct 17 ms 5472 KB Output is correct
67 Correct 12 ms 5472 KB Output is correct
68 Correct 8 ms 5472 KB Output is correct
69 Correct 20 ms 5472 KB Output is correct
70 Correct 18 ms 5472 KB Output is correct
71 Partially correct 39 ms 5532 KB Partially correct - number of queries: 5543
72 Correct 17 ms 5532 KB Output is correct
73 Partially correct 49 ms 5532 KB Partially correct - number of queries: 5480
74 Partially correct 65 ms 5532 KB Partially correct - number of queries: 5507
75 Correct 16 ms 5532 KB Output is correct
76 Correct 32 ms 5532 KB Output is correct
77 Partially correct 61 ms 5532 KB Partially correct - number of queries: 5217
78 Correct 19 ms 5532 KB Output is correct
79 Correct 35 ms 5532 KB Output is correct
80 Partially correct 27 ms 5532 KB Partially correct - number of queries: 5215
81 Partially correct 36 ms 5532 KB Partially correct - number of queries: 5198
82 Partially correct 54 ms 5532 KB Partially correct - number of queries: 5161
83 Correct 16 ms 5532 KB Output is correct
84 Correct 47 ms 5532 KB Output is correct
85 Partially correct 39 ms 5532 KB Partially correct - number of queries: 5169
86 Correct 17 ms 5532 KB Output is correct
87 Correct 23 ms 5532 KB Output is correct
88 Correct 10 ms 5532 KB Output is correct
89 Correct 16 ms 5532 KB Output is correct
90 Correct 10 ms 5532 KB Output is correct
91 Correct 13 ms 5532 KB Output is correct
92 Correct 13 ms 5532 KB Output is correct
93 Correct 20 ms 5532 KB Output is correct
94 Correct 18 ms 5532 KB Output is correct
95 Correct 17 ms 5532 KB Output is correct
96 Correct 20 ms 5532 KB Output is correct
97 Correct 16 ms 5532 KB Output is correct