#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5;
int N;
pii M[MAXN+10];
pii query(int x)
{
if(M[x]!=pii(-1, -1)) return M[x];
vector<int> res=ask(x-1);
return M[x]=pii(res[0], res[1]);
}
int find_best(int _N)
{
N=_N;
for(int i=1; i<=N; i++) M[i]=pii(-1, -1);
int t=0;
for(int i=1; i<=min(720, N); i++)
{
pii p=query(i);
t=max(t, p.first+p.second);
}
for(int i=1; i<=N;)
{
pii p=query(i);
if(p.first==0 && p.second==0) return i-1;
if(p.first+p.second==t)
{
int lo=i, hi=N+1;
while(lo+1<hi)
{
int mid=lo+hi>>1;
if(query(mid).second==p.second) lo=mid;
else hi=mid;
}
i=hi;
}
else
{
i++;
}
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:42:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
42 | int mid=lo+hi>>1;
| ~~^~~
prize.cpp:53:1: warning: control reaches end of non-void function [-Wreturn-type]
53 | }
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
1900 KB |
Output is correct |
2 |
Correct |
10 ms |
1900 KB |
Output is correct |
3 |
Correct |
5 ms |
2028 KB |
Output is correct |
4 |
Correct |
7 ms |
1900 KB |
Output is correct |
5 |
Correct |
9 ms |
1900 KB |
Output is correct |
6 |
Correct |
8 ms |
1900 KB |
Output is correct |
7 |
Correct |
8 ms |
1900 KB |
Output is correct |
8 |
Correct |
5 ms |
2028 KB |
Output is correct |
9 |
Correct |
11 ms |
1900 KB |
Output is correct |
10 |
Correct |
10 ms |
1900 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
1900 KB |
Output is correct |
2 |
Correct |
11 ms |
1900 KB |
Output is correct |
3 |
Correct |
8 ms |
1900 KB |
Output is correct |
4 |
Correct |
9 ms |
1900 KB |
Output is correct |
5 |
Correct |
11 ms |
1900 KB |
Output is correct |
6 |
Correct |
11 ms |
1900 KB |
Output is correct |
7 |
Correct |
8 ms |
1900 KB |
Output is correct |
8 |
Correct |
12 ms |
1900 KB |
Output is correct |
9 |
Correct |
9 ms |
1900 KB |
Output is correct |
10 |
Correct |
9 ms |
1900 KB |
Output is correct |
11 |
Correct |
8 ms |
2028 KB |
Output is correct |
12 |
Correct |
11 ms |
1900 KB |
Output is correct |
13 |
Correct |
28 ms |
1900 KB |
Output is correct |
14 |
Correct |
13 ms |
492 KB |
Output is correct |
15 |
Correct |
24 ms |
1900 KB |
Output is correct |
16 |
Partially correct |
71 ms |
1900 KB |
Partially correct - number of queries: 7457 |
17 |
Correct |
6 ms |
2028 KB |
Output is correct |
18 |
Partially correct |
58 ms |
2028 KB |
Partially correct - number of queries: 8596 |
19 |
Correct |
10 ms |
1900 KB |
Output is correct |
20 |
Correct |
25 ms |
1132 KB |
Output is correct |
21 |
Correct |
43 ms |
1900 KB |
Output is correct |
22 |
Correct |
13 ms |
1900 KB |
Output is correct |
23 |
Correct |
5 ms |
2028 KB |
Output is correct |
24 |
Correct |
11 ms |
1900 KB |
Output is correct |
25 |
Partially correct |
49 ms |
1900 KB |
Partially correct - number of queries: 5155 |
26 |
Partially correct |
51 ms |
1900 KB |
Partially correct - number of queries: 5080 |
27 |
Correct |
10 ms |
1900 KB |
Output is correct |
28 |
Partially correct |
114 ms |
1900 KB |
Partially correct - number of queries: 8118 |
29 |
Partially correct |
63 ms |
1900 KB |
Partially correct - number of queries: 6341 |
30 |
Partially correct |
85 ms |
1900 KB |
Partially correct - number of queries: 8554 |
31 |
Correct |
10 ms |
1900 KB |
Output is correct |
32 |
Correct |
15 ms |
1900 KB |
Output is correct |
33 |
Correct |
2 ms |
364 KB |
Output is correct |
34 |
Correct |
40 ms |
2028 KB |
Output is correct |
35 |
Correct |
10 ms |
1900 KB |
Output is correct |
36 |
Correct |
25 ms |
1900 KB |
Output is correct |
37 |
Correct |
10 ms |
1900 KB |
Output is correct |
38 |
Correct |
8 ms |
1900 KB |
Output is correct |
39 |
Correct |
44 ms |
1900 KB |
Output is correct |
40 |
Partially correct |
71 ms |
1900 KB |
Partially correct - number of queries: 7439 |
41 |
Partially correct |
59 ms |
1900 KB |
Partially correct - number of queries: 5444 |
42 |
Partially correct |
66 ms |
1912 KB |
Partially correct - number of queries: 5444 |
43 |
Correct |
41 ms |
1900 KB |
Output is correct |
44 |
Correct |
24 ms |
2028 KB |
Output is correct |
45 |
Correct |
40 ms |
1900 KB |
Output is correct |
46 |
Correct |
5 ms |
2028 KB |
Output is correct |
47 |
Correct |
55 ms |
1900 KB |
Output is correct |
48 |
Partially correct |
61 ms |
1900 KB |
Partially correct - number of queries: 6561 |
49 |
Correct |
14 ms |
1900 KB |
Output is correct |
50 |
Partially correct |
103 ms |
1900 KB |
Partially correct - number of queries: 8599 |
51 |
Correct |
38 ms |
1900 KB |
Output is correct |
52 |
Correct |
12 ms |
1900 KB |
Output is correct |
53 |
Correct |
13 ms |
1912 KB |
Output is correct |
54 |
Correct |
53 ms |
1900 KB |
Output is correct |
55 |
Correct |
9 ms |
1900 KB |
Output is correct |
56 |
Partially correct |
98 ms |
1900 KB |
Partially correct - number of queries: 8599 |
57 |
Partially correct |
36 ms |
1900 KB |
Partially correct - number of queries: 6475 |
58 |
Partially correct |
78 ms |
1900 KB |
Partially correct - number of queries: 6549 |
59 |
Partially correct |
54 ms |
1900 KB |
Partially correct - number of queries: 5440 |
60 |
Partially correct |
44 ms |
1900 KB |
Partially correct - number of queries: 5082 |
61 |
Correct |
8 ms |
1900 KB |
Output is correct |
62 |
Correct |
11 ms |
1900 KB |
Output is correct |
63 |
Correct |
12 ms |
1900 KB |
Output is correct |
64 |
Correct |
9 ms |
1900 KB |
Output is correct |
65 |
Correct |
8 ms |
1900 KB |
Output is correct |
66 |
Correct |
13 ms |
1900 KB |
Output is correct |
67 |
Correct |
8 ms |
1904 KB |
Output is correct |
68 |
Correct |
8 ms |
1900 KB |
Output is correct |
69 |
Correct |
16 ms |
1900 KB |
Output is correct |
70 |
Correct |
7 ms |
1912 KB |
Output is correct |
71 |
Partially correct |
81 ms |
1900 KB |
Partially correct - number of queries: 8472 |
72 |
Correct |
15 ms |
1900 KB |
Output is correct |
73 |
Partially correct |
70 ms |
1900 KB |
Partially correct - number of queries: 8365 |
74 |
Partially correct |
109 ms |
1900 KB |
Partially correct - number of queries: 8403 |
75 |
Correct |
12 ms |
1900 KB |
Output is correct |
76 |
Partially correct |
54 ms |
1900 KB |
Partially correct - number of queries: 7317 |
77 |
Partially correct |
108 ms |
1900 KB |
Partially correct - number of queries: 8645 |
78 |
Correct |
18 ms |
1932 KB |
Output is correct |
79 |
Correct |
35 ms |
1900 KB |
Output is correct |
80 |
Partially correct |
75 ms |
1900 KB |
Partially correct - number of queries: 8634 |
81 |
Partially correct |
98 ms |
1900 KB |
Partially correct - number of queries: 8611 |
82 |
Partially correct |
105 ms |
1900 KB |
Partially correct - number of queries: 8529 |
83 |
Correct |
9 ms |
1900 KB |
Output is correct |
84 |
Partially correct |
94 ms |
1912 KB |
Partially correct - number of queries: 7160 |
85 |
Partially correct |
47 ms |
1932 KB |
Partially correct - number of queries: 8619 |
86 |
Correct |
10 ms |
1900 KB |
Output is correct |
87 |
Correct |
11 ms |
1900 KB |
Output is correct |
88 |
Correct |
9 ms |
1900 KB |
Output is correct |
89 |
Correct |
8 ms |
1900 KB |
Output is correct |
90 |
Correct |
9 ms |
1900 KB |
Output is correct |
91 |
Correct |
11 ms |
1900 KB |
Output is correct |
92 |
Correct |
9 ms |
1900 KB |
Output is correct |
93 |
Correct |
14 ms |
1900 KB |
Output is correct |
94 |
Correct |
12 ms |
1900 KB |
Output is correct |
95 |
Correct |
9 ms |
1900 KB |
Output is correct |
96 |
Correct |
16 ms |
1900 KB |
Output is correct |
97 |
Correct |
12 ms |
1900 KB |
Output is correct |