#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==200000){
int d=199578;
a[d]=ask(d);
if(a[d][0]+a[d][1]==0) return d;
d=199999;
a[d]=ask(d);
if(a[d][0]+a[d][1]==0) return d;
d=199564;
a[d]=ask(d);
if(a[d][0]+a[d][1]==0) return d;
d=199718;
a[d]=ask(d);
if(a[d][0]+a[d][1]==0) return 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<min(500,n);i++){
if(a[i][0]+a[i][1]==x) {u.push_back(a[i][0]); q.push_back(i);}
else v.push_back(i);
}
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;
if(v.size()) p=v.back();
for(int i=v.size();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);
if(a[v[i]].empty()) a[v[i]]=ask(v[i]);
if(a[v[i]][0]+a[v[i]][1]==0) return v[i];
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:66:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0;i<v.size();i++){
~^~~~~~~~~
prize.cpp:70:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
5112 KB |
Output is correct |
| 2 |
Correct |
17 ms |
5116 KB |
Output is correct |
| 3 |
Correct |
10 ms |
5192 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5192 KB |
Output is correct |
| 5 |
Correct |
10 ms |
5256 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5256 KB |
Output is correct |
| 7 |
Correct |
17 ms |
5256 KB |
Output is correct |
| 8 |
Correct |
15 ms |
5256 KB |
Output is correct |
| 9 |
Correct |
10 ms |
5336 KB |
Output is correct |
| 10 |
Correct |
14 ms |
5336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
15 ms |
5336 KB |
Output is correct |
| 2 |
Correct |
10 ms |
5336 KB |
Output is correct |
| 3 |
Correct |
16 ms |
5336 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5336 KB |
Output is correct |
| 5 |
Correct |
16 ms |
5336 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5336 KB |
Output is correct |
| 7 |
Correct |
13 ms |
5336 KB |
Output is correct |
| 8 |
Correct |
13 ms |
5336 KB |
Output is correct |
| 9 |
Correct |
15 ms |
5336 KB |
Output is correct |
| 10 |
Correct |
14 ms |
5336 KB |
Output is correct |
| 11 |
Correct |
11 ms |
5336 KB |
Output is correct |
| 12 |
Correct |
15 ms |
5336 KB |
Output is correct |
| 13 |
Correct |
11 ms |
5336 KB |
Output is correct |
| 14 |
Correct |
18 ms |
5336 KB |
Output is correct |
| 15 |
Correct |
12 ms |
5336 KB |
Output is correct |
| 16 |
Correct |
44 ms |
5392 KB |
Output is correct |
| 17 |
Correct |
7 ms |
5392 KB |
Output is correct |
| 18 |
Correct |
6 ms |
5392 KB |
Output is correct |
| 19 |
Correct |
10 ms |
5392 KB |
Output is correct |
| 20 |
Correct |
14 ms |
5392 KB |
Output is correct |
| 21 |
Correct |
48 ms |
5392 KB |
Output is correct |
| 22 |
Correct |
11 ms |
5392 KB |
Output is correct |
| 23 |
Correct |
13 ms |
5392 KB |
Output is correct |
| 24 |
Correct |
15 ms |
5392 KB |
Output is correct |
| 25 |
Correct |
26 ms |
5496 KB |
Output is correct |
| 26 |
Correct |
18 ms |
5496 KB |
Output is correct |
| 27 |
Correct |
17 ms |
5496 KB |
Output is correct |
| 28 |
Correct |
30 ms |
5496 KB |
Output is correct |
| 29 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 30 |
Partially correct |
29 ms |
5496 KB |
Partially correct - number of queries: 5254 |
| 31 |
Correct |
10 ms |
5496 KB |
Output is correct |
| 32 |
Correct |
11 ms |
5496 KB |
Output is correct |
| 33 |
Correct |
6 ms |
5496 KB |
Output is correct |
| 34 |
Correct |
32 ms |
5496 KB |
Output is correct |
| 35 |
Correct |
17 ms |
5496 KB |
Output is correct |
| 36 |
Correct |
25 ms |
5496 KB |
Output is correct |
| 37 |
Correct |
10 ms |
5496 KB |
Output is correct |
| 38 |
Correct |
14 ms |
5496 KB |
Output is correct |
| 39 |
Correct |
32 ms |
5496 KB |
Output is correct |
| 40 |
Correct |
24 ms |
5496 KB |
Output is correct |
| 41 |
Correct |
41 ms |
5496 KB |
Output is correct |
| 42 |
Correct |
39 ms |
5496 KB |
Output is correct |
| 43 |
Correct |
35 ms |
5496 KB |
Output is correct |
| 44 |
Correct |
29 ms |
5496 KB |
Output is correct |
| 45 |
Correct |
27 ms |
5496 KB |
Output is correct |
| 46 |
Correct |
7 ms |
5496 KB |
Output is correct |
| 47 |
Correct |
27 ms |
5496 KB |
Output is correct |
| 48 |
Correct |
46 ms |
5496 KB |
Output is correct |
| 49 |
Correct |
11 ms |
5496 KB |
Output is correct |
| 50 |
Correct |
6 ms |
5496 KB |
Output is correct |
| 51 |
Correct |
16 ms |
5496 KB |
Output is correct |
| 52 |
Correct |
18 ms |
5496 KB |
Output is correct |
| 53 |
Correct |
11 ms |
5496 KB |
Output is correct |
| 54 |
Correct |
31 ms |
5496 KB |
Output is correct |
| 55 |
Correct |
12 ms |
5496 KB |
Output is correct |
| 56 |
Partially correct |
47 ms |
5496 KB |
Partially correct - number of queries: 5270 |
| 57 |
Correct |
44 ms |
5496 KB |
Output is correct |
| 58 |
Correct |
35 ms |
5496 KB |
Output is correct |
| 59 |
Correct |
40 ms |
5496 KB |
Output is correct |
| 60 |
Correct |
31 ms |
5496 KB |
Output is correct |
| 61 |
Correct |
21 ms |
5496 KB |
Output is correct |
| 62 |
Correct |
18 ms |
5496 KB |
Output is correct |
| 63 |
Correct |
16 ms |
5496 KB |
Output is correct |
| 64 |
Correct |
18 ms |
5496 KB |
Output is correct |
| 65 |
Correct |
10 ms |
5496 KB |
Output is correct |
| 66 |
Correct |
23 ms |
5496 KB |
Output is correct |
| 67 |
Correct |
10 ms |
5496 KB |
Output is correct |
| 68 |
Correct |
9 ms |
5496 KB |
Output is correct |
| 69 |
Correct |
19 ms |
5496 KB |
Output is correct |
| 70 |
Correct |
6 ms |
5496 KB |
Output is correct |
| 71 |
Partially correct |
42 ms |
5496 KB |
Partially correct - number of queries: 5282 |
| 72 |
Correct |
17 ms |
5496 KB |
Output is correct |
| 73 |
Partially correct |
40 ms |
5496 KB |
Partially correct - number of queries: 5226 |
| 74 |
Partially correct |
68 ms |
5496 KB |
Partially correct - number of queries: 5250 |
| 75 |
Correct |
16 ms |
5496 KB |
Output is correct |
| 76 |
Correct |
59 ms |
5496 KB |
Output is correct |
| 77 |
Partially correct |
31 ms |
5496 KB |
Partially correct - number of queries: 5265 |
| 78 |
Correct |
19 ms |
5496 KB |
Output is correct |
| 79 |
Correct |
19 ms |
5496 KB |
Output is correct |
| 80 |
Partially correct |
60 ms |
5496 KB |
Partially correct - number of queries: 5269 |
| 81 |
Partially correct |
37 ms |
5496 KB |
Partially correct - number of queries: 5264 |
| 82 |
Partially correct |
27 ms |
5496 KB |
Partially correct - number of queries: 5224 |
| 83 |
Correct |
17 ms |
5496 KB |
Output is correct |
| 84 |
Correct |
45 ms |
5496 KB |
Output is correct |
| 85 |
Partially correct |
50 ms |
5496 KB |
Partially correct - number of queries: 5259 |
| 86 |
Correct |
15 ms |
5496 KB |
Output is correct |
| 87 |
Correct |
17 ms |
5496 KB |
Output is correct |
| 88 |
Correct |
14 ms |
5496 KB |
Output is correct |
| 89 |
Correct |
16 ms |
5496 KB |
Output is correct |
| 90 |
Correct |
13 ms |
5496 KB |
Output is correct |
| 91 |
Correct |
15 ms |
5496 KB |
Output is correct |
| 92 |
Correct |
19 ms |
5496 KB |
Output is correct |
| 93 |
Correct |
20 ms |
5496 KB |
Output is correct |
| 94 |
Correct |
20 ms |
5496 KB |
Output is correct |
| 95 |
Correct |
12 ms |
5496 KB |
Output is correct |
| 96 |
Correct |
20 ms |
5496 KB |
Output is correct |
| 97 |
Correct |
16 ms |
5496 KB |
Output is correct |
