#include <bits/stdc++.h>
#include "prize.h"
using namespace std;
vector<int> dp[200000];
vector<int> myAsk(int n) {
if(dp[n][0] == -1) dp[n] = ask(n);
return dp[n];
}
int find_best(int n) {
for(int i = 0; i < n; i++) {
dp[i] = {-1, -1};
}
//binary search the first element each time
int hi = 0;
int last = 0;
auto a = myAsk(0);
if (a[0] + a[1] == 0) return 0;
int datMax = a[0] + a[1];
int thatAreMax = 1;
while (true) {
int i1 = last;
int i2 = n - 1;
while (i1 != i2) {
int middle = ceil(((double)i1 + i2) / 2.0);
auto a = myAsk(middle);
if (a[0] + a[1] == 0) return middle;
if(a[0] + a[1] > datMax) {
datMax = a[0] + a[1];
hi += thatAreMax;
thatAreMax = 0;
}
if(i2-i1 > 1) {
if (a[0] - hi == 0) {
if(a[0] + a[1] < datMax) {
i1 = middle;
i2 = middle;
}else i1 = middle+1;
}else {
i2 = middle;
}
}else {
auto b = myAsk(i1);
if(b[0]+b[1] < a[0]+a[1]) {
i2 = i1;
}else i1 = i2;
}
}
auto a = myAsk(i1);
if (a[0] + a[1] == 0) return i1;
last = i1;
if(a[0] + a[1] > datMax) {
datMax = a[0] + a[1];
hi += thatAreMax;
thatAreMax = 0;
}
if (a[0] + a[1] < datMax) hi++;
else thatAreMax++;
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
11272 KB |
Output is correct |
2 |
Correct |
10 ms |
11352 KB |
Output is correct |
3 |
Correct |
9 ms |
11352 KB |
Output is correct |
4 |
Correct |
11 ms |
11320 KB |
Output is correct |
5 |
Correct |
9 ms |
11352 KB |
Output is correct |
6 |
Correct |
11 ms |
11268 KB |
Output is correct |
7 |
Correct |
15 ms |
11352 KB |
Output is correct |
8 |
Correct |
10 ms |
11272 KB |
Output is correct |
9 |
Correct |
13 ms |
11352 KB |
Output is correct |
10 |
Correct |
9 ms |
11336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
10 ms |
11352 KB |
Output is correct |
2 |
Correct |
11 ms |
11352 KB |
Output is correct |
3 |
Correct |
8 ms |
11348 KB |
Output is correct |
4 |
Correct |
8 ms |
11352 KB |
Output is correct |
5 |
Correct |
8 ms |
11352 KB |
Output is correct |
6 |
Correct |
9 ms |
11352 KB |
Output is correct |
7 |
Correct |
8 ms |
11352 KB |
Output is correct |
8 |
Correct |
12 ms |
11348 KB |
Output is correct |
9 |
Correct |
10 ms |
11352 KB |
Output is correct |
10 |
Correct |
10 ms |
11292 KB |
Output is correct |
11 |
Correct |
10 ms |
11352 KB |
Output is correct |
12 |
Correct |
9 ms |
11352 KB |
Output is correct |
13 |
Correct |
12 ms |
11352 KB |
Output is correct |
14 |
Correct |
7 ms |
5720 KB |
Output is correct |
15 |
Correct |
18 ms |
11352 KB |
Output is correct |
16 |
Partially correct |
52 ms |
11352 KB |
Partially correct - number of queries: 6561 |
17 |
Correct |
11 ms |
11352 KB |
Output is correct |
18 |
Partially correct |
63 ms |
11352 KB |
Partially correct - number of queries: 7687 |
19 |
Correct |
9 ms |
11352 KB |
Output is correct |
20 |
Correct |
21 ms |
8024 KB |
Output is correct |
21 |
Correct |
25 ms |
11352 KB |
Output is correct |
22 |
Correct |
13 ms |
11352 KB |
Output is correct |
23 |
Correct |
12 ms |
11352 KB |
Output is correct |
24 |
Correct |
8 ms |
11352 KB |
Output is correct |
25 |
Correct |
29 ms |
11352 KB |
Output is correct |
26 |
Correct |
29 ms |
11168 KB |
Output is correct |
27 |
Correct |
8 ms |
11352 KB |
Output is correct |
28 |
Partially correct |
51 ms |
11352 KB |
Partially correct - number of queries: 7264 |
29 |
Partially correct |
40 ms |
11348 KB |
Partially correct - number of queries: 5522 |
30 |
Partially correct |
63 ms |
11352 KB |
Partially correct - number of queries: 7617 |
31 |
Correct |
8 ms |
11352 KB |
Output is correct |
32 |
Correct |
10 ms |
11268 KB |
Output is correct |
33 |
Correct |
2 ms |
4952 KB |
Output is correct |
34 |
Correct |
28 ms |
11352 KB |
Output is correct |
35 |
Correct |
9 ms |
11352 KB |
Output is correct |
36 |
Correct |
18 ms |
11264 KB |
Output is correct |
37 |
Correct |
9 ms |
11352 KB |
Output is correct |
38 |
Correct |
14 ms |
11392 KB |
Output is correct |
39 |
Correct |
26 ms |
11352 KB |
Output is correct |
40 |
Partially correct |
51 ms |
11352 KB |
Partially correct - number of queries: 6519 |
41 |
Correct |
25 ms |
11352 KB |
Output is correct |
42 |
Correct |
36 ms |
11352 KB |
Output is correct |
43 |
Correct |
36 ms |
11352 KB |
Output is correct |
44 |
Correct |
22 ms |
11352 KB |
Output is correct |
45 |
Correct |
22 ms |
11352 KB |
Output is correct |
46 |
Correct |
9 ms |
11352 KB |
Output is correct |
47 |
Correct |
34 ms |
11352 KB |
Output is correct |
48 |
Partially correct |
50 ms |
11444 KB |
Partially correct - number of queries: 5716 |
49 |
Correct |
10 ms |
11352 KB |
Output is correct |
50 |
Partially correct |
48 ms |
11356 KB |
Partially correct - number of queries: 7654 |
51 |
Correct |
25 ms |
11352 KB |
Output is correct |
52 |
Correct |
8 ms |
11352 KB |
Output is correct |
53 |
Correct |
8 ms |
11352 KB |
Output is correct |
54 |
Correct |
33 ms |
11352 KB |
Output is correct |
55 |
Correct |
8 ms |
11352 KB |
Output is correct |
56 |
Partially correct |
53 ms |
11252 KB |
Partially correct - number of queries: 7679 |
57 |
Partially correct |
45 ms |
11352 KB |
Partially correct - number of queries: 5626 |
58 |
Partially correct |
40 ms |
11352 KB |
Partially correct - number of queries: 5672 |
59 |
Correct |
23 ms |
11352 KB |
Output is correct |
60 |
Correct |
38 ms |
11352 KB |
Output is correct |
61 |
Correct |
11 ms |
11252 KB |
Output is correct |
62 |
Correct |
8 ms |
11352 KB |
Output is correct |
63 |
Correct |
10 ms |
11352 KB |
Output is correct |
64 |
Correct |
8 ms |
11352 KB |
Output is correct |
65 |
Correct |
10 ms |
11352 KB |
Output is correct |
66 |
Correct |
10 ms |
11352 KB |
Output is correct |
67 |
Correct |
13 ms |
11352 KB |
Output is correct |
68 |
Correct |
12 ms |
11396 KB |
Output is correct |
69 |
Correct |
9 ms |
11352 KB |
Output is correct |
70 |
Correct |
10 ms |
11352 KB |
Output is correct |
71 |
Partially correct |
47 ms |
11308 KB |
Partially correct - number of queries: 8086 |
72 |
Correct |
13 ms |
11352 KB |
Output is correct |
73 |
Partially correct |
49 ms |
11352 KB |
Partially correct - number of queries: 7979 |
74 |
Partially correct |
50 ms |
11352 KB |
Partially correct - number of queries: 8002 |
75 |
Correct |
10 ms |
11352 KB |
Output is correct |
76 |
Partially correct |
50 ms |
11352 KB |
Partially correct - number of queries: 6955 |
77 |
Partially correct |
37 ms |
11352 KB |
Partially correct - number of queries: 7830 |
78 |
Correct |
11 ms |
11352 KB |
Output is correct |
79 |
Correct |
27 ms |
11352 KB |
Output is correct |
80 |
Partially correct |
52 ms |
11348 KB |
Partially correct - number of queries: 7782 |
81 |
Partially correct |
47 ms |
11352 KB |
Partially correct - number of queries: 7783 |
82 |
Partially correct |
47 ms |
11352 KB |
Partially correct - number of queries: 7730 |
83 |
Correct |
11 ms |
11352 KB |
Output is correct |
84 |
Partially correct |
45 ms |
11352 KB |
Partially correct - number of queries: 6394 |
85 |
Partially correct |
66 ms |
11352 KB |
Partially correct - number of queries: 7756 |
86 |
Execution timed out |
3063 ms |
11352 KB |
Time limit exceeded |
87 |
Halted |
0 ms |
0 KB |
- |