#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
vector < int > res, a;
map < int, vector < int > > x;
map < int , int > cnt;
int sq, mx;
int find_best(int n){
int now = 0, low = 0;
sq = sqrt(n);
/*
for( ; now < min(sq+30, n-1) ; now++ ){
res = ask(now);
x[now] = res;
cnt[res[0]+res[1]]++;
mx = max( res[0]+res[1], mx );
if( res[0] == 0 && res[1] == 0 ) return now;
}
for( map < int, int > :: iterator it = cnt.begin() ; it != cnt.end() ; it++ ){
if( it -> first != mx ) low += it->second;
}
*/
while( 1 ){
if( x[now].empty() ) res = ask(now);
else res = x[now];
x[now] = res;
mx = max(mx, res[0]+res[1]);
if( res[0] == 0 && res[1] == 0 ) return now;
if( res[0]+res[1] == mx ){
int l = now+1, r = min(n-1, now + 2*sq);
while( l < r ){
int mid = (l+r+1)/2;
if( x[mid].empty() )
a = ask(mid),
x[mid] = a;
else a = x[mid];
if( !a[0] && !a[1] ) return mid;
if( res[0] == a[0] && res[1] == a[1] )
l = mid;
else r = mid-1;
}
now = l+1;
}
else now++;
}
return 0;
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:11:15: warning: unused variable 'low' [-Wunused-variable]
int now = 0, low = 0;
^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
324 KB |
Output is correct |
| 2 |
Correct |
10 ms |
616 KB |
Output is correct |
| 3 |
Correct |
14 ms |
616 KB |
Output is correct |
| 4 |
Correct |
25 ms |
624 KB |
Output is correct |
| 5 |
Correct |
17 ms |
624 KB |
Output is correct |
| 6 |
Correct |
2 ms |
624 KB |
Output is correct |
| 7 |
Correct |
15 ms |
624 KB |
Output is correct |
| 8 |
Correct |
15 ms |
624 KB |
Output is correct |
| 9 |
Correct |
19 ms |
624 KB |
Output is correct |
| 10 |
Correct |
31 ms |
828 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
828 KB |
Output is correct |
| 2 |
Correct |
21 ms |
828 KB |
Output is correct |
| 3 |
Correct |
20 ms |
828 KB |
Output is correct |
| 4 |
Correct |
17 ms |
828 KB |
Output is correct |
| 5 |
Correct |
17 ms |
828 KB |
Output is correct |
| 6 |
Correct |
2 ms |
828 KB |
Output is correct |
| 7 |
Correct |
15 ms |
828 KB |
Output is correct |
| 8 |
Correct |
17 ms |
828 KB |
Output is correct |
| 9 |
Correct |
11 ms |
828 KB |
Output is correct |
| 10 |
Correct |
17 ms |
828 KB |
Output is correct |
| 11 |
Correct |
14 ms |
828 KB |
Output is correct |
| 12 |
Correct |
2 ms |
828 KB |
Output is correct |
| 13 |
Correct |
19 ms |
828 KB |
Output is correct |
| 14 |
Correct |
5 ms |
828 KB |
Output is correct |
| 15 |
Correct |
5 ms |
828 KB |
Output is correct |
| 16 |
Correct |
47 ms |
964 KB |
Output is correct |
| 17 |
Correct |
2 ms |
964 KB |
Output is correct |
| 18 |
Correct |
42 ms |
992 KB |
Output is correct |
| 19 |
Correct |
2 ms |
992 KB |
Output is correct |
| 20 |
Correct |
11 ms |
992 KB |
Output is correct |
| 21 |
Correct |
12 ms |
992 KB |
Output is correct |
| 22 |
Correct |
4 ms |
992 KB |
Output is correct |
| 23 |
Correct |
5 ms |
992 KB |
Output is correct |
| 24 |
Correct |
3 ms |
992 KB |
Output is correct |
| 25 |
Correct |
34 ms |
992 KB |
Output is correct |
| 26 |
Correct |
27 ms |
992 KB |
Output is correct |
| 27 |
Correct |
9 ms |
992 KB |
Output is correct |
| 28 |
Partially correct |
52 ms |
1124 KB |
Partially correct - number of queries: 5356 |
| 29 |
Correct |
38 ms |
1124 KB |
Output is correct |
| 30 |
Partially correct |
39 ms |
1124 KB |
Partially correct - number of queries: 5047 |
| 31 |
Correct |
2 ms |
1124 KB |
Output is correct |
| 32 |
Correct |
9 ms |
1124 KB |
Output is correct |
| 33 |
Correct |
2 ms |
1124 KB |
Output is correct |
| 34 |
Correct |
15 ms |
1124 KB |
Output is correct |
| 35 |
Correct |
19 ms |
1124 KB |
Output is correct |
| 36 |
Correct |
14 ms |
1124 KB |
Output is correct |
| 37 |
Correct |
8 ms |
1124 KB |
Output is correct |
| 38 |
Correct |
4 ms |
1124 KB |
Output is correct |
| 39 |
Correct |
23 ms |
1124 KB |
Output is correct |
| 40 |
Correct |
56 ms |
1124 KB |
Output is correct |
| 41 |
Correct |
24 ms |
1124 KB |
Output is correct |
| 42 |
Correct |
27 ms |
1124 KB |
Output is correct |
| 43 |
Correct |
27 ms |
1124 KB |
Output is correct |
| 44 |
Correct |
21 ms |
1124 KB |
Output is correct |
| 45 |
Correct |
21 ms |
1124 KB |
Output is correct |
| 46 |
Correct |
2 ms |
1124 KB |
Output is correct |
| 47 |
Correct |
23 ms |
1124 KB |
Output is correct |
| 48 |
Correct |
43 ms |
1124 KB |
Output is correct |
| 49 |
Correct |
7 ms |
1124 KB |
Output is correct |
| 50 |
Correct |
50 ms |
1124 KB |
Output is correct |
| 51 |
Correct |
10 ms |
1124 KB |
Output is correct |
| 52 |
Correct |
4 ms |
1124 KB |
Output is correct |
| 53 |
Correct |
22 ms |
1124 KB |
Output is correct |
| 54 |
Correct |
26 ms |
1124 KB |
Output is correct |
| 55 |
Correct |
2 ms |
1124 KB |
Output is correct |
| 56 |
Correct |
38 ms |
1124 KB |
Output is correct |
| 57 |
Correct |
33 ms |
1124 KB |
Output is correct |
| 58 |
Correct |
30 ms |
1124 KB |
Output is correct |
| 59 |
Correct |
25 ms |
1124 KB |
Output is correct |
| 60 |
Correct |
30 ms |
1124 KB |
Output is correct |
| 61 |
Correct |
10 ms |
1124 KB |
Output is correct |
| 62 |
Correct |
5 ms |
1124 KB |
Output is correct |
| 63 |
Correct |
25 ms |
1124 KB |
Output is correct |
| 64 |
Correct |
9 ms |
1124 KB |
Output is correct |
| 65 |
Correct |
21 ms |
1124 KB |
Output is correct |
| 66 |
Correct |
18 ms |
1124 KB |
Output is correct |
| 67 |
Correct |
20 ms |
1124 KB |
Output is correct |
| 68 |
Correct |
2 ms |
1124 KB |
Output is correct |
| 69 |
Correct |
35 ms |
1124 KB |
Output is correct |
| 70 |
Correct |
27 ms |
1124 KB |
Output is correct |
| 71 |
Correct |
53 ms |
1124 KB |
Output is correct |
| 72 |
Correct |
15 ms |
1124 KB |
Output is correct |
| 73 |
Correct |
50 ms |
1124 KB |
Output is correct |
| 74 |
Correct |
48 ms |
1124 KB |
Output is correct |
| 75 |
Correct |
38 ms |
1124 KB |
Output is correct |
| 76 |
Correct |
30 ms |
1124 KB |
Output is correct |
| 77 |
Correct |
47 ms |
1124 KB |
Output is correct |
| 78 |
Correct |
20 ms |
1124 KB |
Output is correct |
| 79 |
Correct |
44 ms |
1124 KB |
Output is correct |
| 80 |
Correct |
46 ms |
1212 KB |
Output is correct |
| 81 |
Correct |
44 ms |
1212 KB |
Output is correct |
| 82 |
Correct |
54 ms |
1212 KB |
Output is correct |
| 83 |
Correct |
19 ms |
1212 KB |
Output is correct |
| 84 |
Correct |
38 ms |
1212 KB |
Output is correct |
| 85 |
Correct |
54 ms |
1212 KB |
Output is correct |
| 86 |
Correct |
32 ms |
1212 KB |
Output is correct |
| 87 |
Correct |
26 ms |
1212 KB |
Output is correct |
| 88 |
Correct |
32 ms |
1212 KB |
Output is correct |
| 89 |
Correct |
28 ms |
1212 KB |
Output is correct |
| 90 |
Correct |
29 ms |
1212 KB |
Output is correct |
| 91 |
Correct |
31 ms |
1212 KB |
Output is correct |
| 92 |
Correct |
31 ms |
1212 KB |
Output is correct |
| 93 |
Correct |
19 ms |
1212 KB |
Output is correct |
| 94 |
Correct |
18 ms |
1212 KB |
Output is correct |
| 95 |
Correct |
33 ms |
1212 KB |
Output is correct |
| 96 |
Correct |
29 ms |
1212 KB |
Output is correct |
| 97 |
Correct |
22 ms |
1212 KB |
Output is correct |
