#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){
if(n<=D){
for(i=0;i<min(500,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) x=a[i*(n/D)][0]+a[i*(n/D)][1];
}
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:51:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0;i<v.size();i++){
~^~~~~~~~~
prize.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
5112 KB |
Output is correct |
2 |
Correct |
10 ms |
5112 KB |
Output is correct |
3 |
Correct |
10 ms |
5184 KB |
Output is correct |
4 |
Correct |
8 ms |
5228 KB |
Output is correct |
5 |
Correct |
8 ms |
5228 KB |
Output is correct |
6 |
Correct |
39 ms |
5228 KB |
Output is correct |
7 |
Correct |
8 ms |
5280 KB |
Output is correct |
8 |
Correct |
9 ms |
5280 KB |
Output is correct |
9 |
Correct |
11 ms |
5280 KB |
Output is correct |
10 |
Correct |
12 ms |
5280 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
5280 KB |
Output is correct |
2 |
Correct |
11 ms |
5280 KB |
Output is correct |
3 |
Correct |
13 ms |
5280 KB |
Output is correct |
4 |
Correct |
12 ms |
5280 KB |
Output is correct |
5 |
Correct |
11 ms |
5280 KB |
Output is correct |
6 |
Correct |
11 ms |
5280 KB |
Output is correct |
7 |
Correct |
8 ms |
5280 KB |
Output is correct |
8 |
Correct |
11 ms |
5280 KB |
Output is correct |
9 |
Correct |
11 ms |
5280 KB |
Output is correct |
10 |
Correct |
11 ms |
5280 KB |
Output is correct |
11 |
Correct |
10 ms |
5280 KB |
Output is correct |
12 |
Correct |
10 ms |
5280 KB |
Output is correct |
13 |
Correct |
13 ms |
5280 KB |
Output is correct |
14 |
Correct |
17 ms |
5284 KB |
Output is correct |
15 |
Correct |
23 ms |
5400 KB |
Output is correct |
16 |
Correct |
24 ms |
5464 KB |
Output is correct |
17 |
Correct |
48 ms |
5464 KB |
Output is correct |
18 |
Correct |
50 ms |
5464 KB |
Output is correct |
19 |
Correct |
32 ms |
5464 KB |
Output is correct |
20 |
Correct |
42 ms |
5464 KB |
Output is correct |
21 |
Correct |
38 ms |
5480 KB |
Output is correct |
22 |
Correct |
21 ms |
5480 KB |
Output is correct |
23 |
Correct |
8 ms |
5480 KB |
Output is correct |
24 |
Correct |
16 ms |
5480 KB |
Output is correct |
25 |
Correct |
56 ms |
5480 KB |
Output is correct |
26 |
Correct |
24 ms |
5480 KB |
Output is correct |
27 |
Correct |
12 ms |
5480 KB |
Output is correct |
28 |
Correct |
47 ms |
5480 KB |
Output is correct |
29 |
Correct |
42 ms |
5480 KB |
Output is correct |
30 |
Correct |
30 ms |
5480 KB |
Output is correct |
31 |
Correct |
48 ms |
5480 KB |
Output is correct |
32 |
Correct |
18 ms |
5480 KB |
Output is correct |
33 |
Correct |
5 ms |
5480 KB |
Output is correct |
34 |
Correct |
48 ms |
5480 KB |
Output is correct |
35 |
Correct |
8 ms |
5480 KB |
Output is correct |
36 |
Correct |
45 ms |
5480 KB |
Output is correct |
37 |
Correct |
10 ms |
5480 KB |
Output is correct |
38 |
Correct |
13 ms |
5480 KB |
Output is correct |
39 |
Correct |
34 ms |
5480 KB |
Output is correct |
40 |
Correct |
41 ms |
5480 KB |
Output is correct |
41 |
Correct |
58 ms |
5480 KB |
Output is correct |
42 |
Correct |
51 ms |
5480 KB |
Output is correct |
43 |
Correct |
26 ms |
5480 KB |
Output is correct |
44 |
Correct |
26 ms |
5480 KB |
Output is correct |
45 |
Correct |
28 ms |
5480 KB |
Output is correct |
46 |
Correct |
51 ms |
5480 KB |
Output is correct |
47 |
Correct |
37 ms |
5480 KB |
Output is correct |
48 |
Correct |
47 ms |
5480 KB |
Output is correct |
49 |
Correct |
24 ms |
5480 KB |
Output is correct |
50 |
Correct |
34 ms |
5480 KB |
Output is correct |
51 |
Correct |
48 ms |
5480 KB |
Output is correct |
52 |
Correct |
25 ms |
5480 KB |
Output is correct |
53 |
Correct |
13 ms |
5480 KB |
Output is correct |
54 |
Correct |
47 ms |
5480 KB |
Output is correct |
55 |
Correct |
51 ms |
5480 KB |
Output is correct |
56 |
Correct |
59 ms |
5480 KB |
Output is correct |
57 |
Correct |
40 ms |
5480 KB |
Output is correct |
58 |
Correct |
59 ms |
5480 KB |
Output is correct |
59 |
Correct |
56 ms |
5480 KB |
Output is correct |
60 |
Correct |
53 ms |
5480 KB |
Output is correct |
61 |
Correct |
9 ms |
5480 KB |
Output is correct |
62 |
Correct |
12 ms |
5480 KB |
Output is correct |
63 |
Correct |
13 ms |
5480 KB |
Output is correct |
64 |
Correct |
13 ms |
5480 KB |
Output is correct |
65 |
Correct |
12 ms |
5480 KB |
Output is correct |
66 |
Correct |
16 ms |
5480 KB |
Output is correct |
67 |
Correct |
17 ms |
5480 KB |
Output is correct |
68 |
Correct |
12 ms |
5480 KB |
Output is correct |
69 |
Correct |
19 ms |
5480 KB |
Output is correct |
70 |
Correct |
15 ms |
5480 KB |
Output is correct |
71 |
Correct |
50 ms |
5480 KB |
Output is correct |
72 |
Correct |
15 ms |
5480 KB |
Output is correct |
73 |
Correct |
49 ms |
5480 KB |
Output is correct |
74 |
Correct |
50 ms |
5480 KB |
Output is correct |
75 |
Correct |
13 ms |
5480 KB |
Output is correct |
76 |
Correct |
44 ms |
5480 KB |
Output is correct |
77 |
Correct |
31 ms |
5480 KB |
Output is correct |
78 |
Correct |
15 ms |
5480 KB |
Output is correct |
79 |
Correct |
35 ms |
5480 KB |
Output is correct |
80 |
Correct |
52 ms |
5480 KB |
Output is correct |
81 |
Correct |
50 ms |
5480 KB |
Output is correct |
82 |
Correct |
28 ms |
5480 KB |
Output is correct |
83 |
Correct |
12 ms |
5480 KB |
Output is correct |
84 |
Correct |
52 ms |
5480 KB |
Output is correct |
85 |
Correct |
25 ms |
5480 KB |
Output is correct |
86 |
Partially correct |
34 ms |
5480 KB |
Partially correct - number of queries: 6562 |
87 |
Correct |
15 ms |
5480 KB |
Output is correct |
88 |
Partially correct |
71 ms |
5480 KB |
Partially correct - number of queries: 6196 |
89 |
Partially correct |
66 ms |
5528 KB |
Partially correct - number of queries: 6543 |
90 |
Correct |
11 ms |
5528 KB |
Output is correct |
91 |
Correct |
34 ms |
5528 KB |
Output is correct |
92 |
Partially correct |
64 ms |
5528 KB |
Partially correct - number of queries: 6217 |
93 |
Partially correct |
65 ms |
5528 KB |
Partially correct - number of queries: 6723 |
94 |
Partially correct |
43 ms |
5528 KB |
Partially correct - number of queries: 6727 |
95 |
Partially correct |
69 ms |
5528 KB |
Partially correct - number of queries: 6706 |
96 |
Partially correct |
70 ms |
5528 KB |
Partially correct - number of queries: 6652 |
97 |
Partially correct |
42 ms |
5576 KB |
Partially correct - number of queries: 6337 |