#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
#define bug(x) cout << #x << " " << x << endl;
#define pii pair<int, int>
map<int, pii> mp;
pii query( int id ){
if( mp.count(id) ) return mp[id];
vector<int> resp = ask(id);
return (mp[id] = pii(resp[0], resp[1]));
}
int solve( int ini, int fim ){
if( query(ini).first + query(ini).second == 0 ) return ini;
if( query(fim).first + query(fim).second == 0 ) return fim;
if( query(fim).first == 0 || query(ini).second == 0 ) return -1;
if( query(ini) == query(fim) ) return (( query(ini).first + query(ini).second == 0 ) ? ini : -1 );
int mid = (ini + fim)/2;
int aux = solve( ini, mid );
if( aux != -1 ) return aux;
if( fim - ini == 1 ) return solve( fim, fim );
return solve( mid, fim );
}
int find_best(int n) {
return solve( 0, n - 1 );
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
428 KB |
Output is correct |
6 |
Correct |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
424 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
3 ms |
344 KB |
Output is correct |
14 |
Correct |
2 ms |
344 KB |
Output is correct |
15 |
Correct |
4 ms |
344 KB |
Output is correct |
16 |
Correct |
19 ms |
504 KB |
Output is correct |
17 |
Correct |
0 ms |
344 KB |
Output is correct |
18 |
Partially correct |
33 ms |
952 KB |
Partially correct - number of queries: 5058 |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
9 ms |
488 KB |
Output is correct |
21 |
Correct |
8 ms |
344 KB |
Output is correct |
22 |
Correct |
2 ms |
344 KB |
Output is correct |
23 |
Correct |
1 ms |
344 KB |
Output is correct |
24 |
Correct |
1 ms |
344 KB |
Output is correct |
25 |
Correct |
14 ms |
344 KB |
Output is correct |
26 |
Correct |
16 ms |
344 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
23 ms |
600 KB |
Output is correct |
29 |
Correct |
15 ms |
600 KB |
Output is correct |
30 |
Correct |
36 ms |
1372 KB |
Output is correct |
31 |
Correct |
1 ms |
344 KB |
Output is correct |
32 |
Correct |
3 ms |
344 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
9 ms |
444 KB |
Output is correct |
35 |
Correct |
1 ms |
344 KB |
Output is correct |
36 |
Correct |
4 ms |
344 KB |
Output is correct |
37 |
Correct |
1 ms |
344 KB |
Output is correct |
38 |
Correct |
0 ms |
344 KB |
Output is correct |
39 |
Correct |
14 ms |
600 KB |
Output is correct |
40 |
Correct |
29 ms |
696 KB |
Output is correct |
41 |
Correct |
18 ms |
808 KB |
Output is correct |
42 |
Correct |
15 ms |
600 KB |
Output is correct |
43 |
Correct |
14 ms |
344 KB |
Output is correct |
44 |
Correct |
9 ms |
340 KB |
Output is correct |
45 |
Correct |
8 ms |
608 KB |
Output is correct |
46 |
Correct |
1 ms |
344 KB |
Output is correct |
47 |
Correct |
12 ms |
704 KB |
Output is correct |
48 |
Correct |
15 ms |
600 KB |
Output is correct |
49 |
Correct |
3 ms |
344 KB |
Output is correct |
50 |
Partially correct |
42 ms |
592 KB |
Partially correct - number of queries: 5009 |
51 |
Correct |
10 ms |
344 KB |
Output is correct |
52 |
Correct |
1 ms |
344 KB |
Output is correct |
53 |
Correct |
1 ms |
436 KB |
Output is correct |
54 |
Correct |
11 ms |
464 KB |
Output is correct |
55 |
Correct |
0 ms |
344 KB |
Output is correct |
56 |
Partially correct |
28 ms |
652 KB |
Partially correct - number of queries: 5054 |
57 |
Correct |
19 ms |
864 KB |
Output is correct |
58 |
Correct |
22 ms |
596 KB |
Output is correct |
59 |
Correct |
15 ms |
600 KB |
Output is correct |
60 |
Correct |
17 ms |
568 KB |
Output is correct |
61 |
Correct |
2 ms |
600 KB |
Output is correct |
62 |
Correct |
0 ms |
344 KB |
Output is correct |
63 |
Correct |
1 ms |
344 KB |
Output is correct |
64 |
Correct |
1 ms |
344 KB |
Output is correct |
65 |
Correct |
0 ms |
344 KB |
Output is correct |
66 |
Correct |
0 ms |
432 KB |
Output is correct |
67 |
Correct |
0 ms |
344 KB |
Output is correct |
68 |
Correct |
0 ms |
344 KB |
Output is correct |
69 |
Correct |
1 ms |
428 KB |
Output is correct |
70 |
Correct |
0 ms |
344 KB |
Output is correct |
71 |
Correct |
28 ms |
640 KB |
Output is correct |
72 |
Correct |
3 ms |
344 KB |
Output is correct |
73 |
Correct |
21 ms |
600 KB |
Output is correct |
74 |
Correct |
20 ms |
928 KB |
Output is correct |
75 |
Correct |
1 ms |
344 KB |
Output is correct |
76 |
Correct |
28 ms |
1460 KB |
Output is correct |
77 |
Partially correct |
41 ms |
688 KB |
Partially correct - number of queries: 5177 |
78 |
Correct |
3 ms |
344 KB |
Output is correct |
79 |
Correct |
10 ms |
344 KB |
Output is correct |
80 |
Partially correct |
32 ms |
740 KB |
Partially correct - number of queries: 5240 |
81 |
Partially correct |
35 ms |
740 KB |
Partially correct - number of queries: 5216 |
82 |
Partially correct |
31 ms |
848 KB |
Partially correct - number of queries: 5125 |
83 |
Correct |
1 ms |
344 KB |
Output is correct |
84 |
Correct |
23 ms |
1408 KB |
Output is correct |
85 |
Partially correct |
26 ms |
592 KB |
Partially correct - number of queries: 5180 |
86 |
Correct |
3 ms |
344 KB |
Output is correct |
87 |
Correct |
2 ms |
344 KB |
Output is correct |
88 |
Correct |
2 ms |
344 KB |
Output is correct |
89 |
Correct |
2 ms |
340 KB |
Output is correct |
90 |
Correct |
1 ms |
344 KB |
Output is correct |
91 |
Correct |
2 ms |
600 KB |
Output is correct |
92 |
Correct |
0 ms |
344 KB |
Output is correct |
93 |
Correct |
2 ms |
344 KB |
Output is correct |
94 |
Correct |
2 ms |
600 KB |
Output is correct |
95 |
Correct |
2 ms |
344 KB |
Output is correct |
96 |
Correct |
1 ms |
344 KB |
Output is correct |
97 |
Correct |
1 ms |
344 KB |
Output is correct |