#include"prize.h"
#include<bits/stdc++.h>
using namespace std;
int ans = -1;
bool check(vector<int> res) {
return (res[0] == res[1] && res[0] == 0);
}
vector<vector<int>> seg(200005, {-1, -1});
void calc(int l, int r, bool f) {
if (l == r || ans != -1) {
return;
}
int m = (l+r)/2;
if (f) {
if (seg[l][0] == -1) {
seg[l] = ask(l);
}
if (check(seg[l])) {
ans = l;
return;
}
if (seg[m][0] == -1) {
seg[m] = ask(m);
}
if (check(seg[m])) {
ans = m;
return;
}
if (seg[l] != seg[m] || seg[m][0]-seg[l][0] != 0) {
calc(l, m, f^1);
}
if (ans != -1) {
return;
}
if (seg[m+1][0] == -1) {
seg[m+1] = ask(m+1);
}
if (check(seg[m+1])) {
ans = m+1;
return;
}
if (seg[r][0] == -1) {
seg[r] = ask(r);
}
if (check(seg[r])) {
ans = r;
return;
}
if (seg[m+1] != seg[r] || seg[r][0]-seg[m+1][0] != 0) {
calc(m+1, r, f^1);
}
} else {
if (seg[m+1][0] == -1) {
seg[m+1] = ask(m+1);
}
if (check(seg[m+1])) {
ans = m+1;
return;
}
if (seg[r][0] == -1) {
seg[r] = ask(r);
}
if (check(seg[r])) {
ans = r;
return;
}
if (seg[m+1] != seg[r] || seg[r][0]-seg[m+1][0] != 0) {
calc(m+1, r, f^1);
}
if (ans != -1) {
return;
}
if (seg[l][0] == -1) {
seg[l] = ask(l);
}
if (check(seg[l])) {
ans = l;
return;
}
if (seg[m][0] == -1) {
seg[m] = ask(m);
}
if (check(seg[m])) {
ans = m;
return;
}
if (seg[l] != seg[m] || seg[m][0]-seg[l][0] != 0) {
calc(l, m, f^1);
}
}
}
int find_best(int n) {
calc(0, n-1, 1);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
11352 KB |
Output is correct |
| 2 |
Correct |
8 ms |
11348 KB |
Output is correct |
| 3 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 4 |
Correct |
7 ms |
11404 KB |
Output is correct |
| 5 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 6 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 7 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 8 |
Correct |
7 ms |
11352 KB |
Output is correct |
| 9 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 10 |
Correct |
7 ms |
11352 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
11352 KB |
Output is correct |
| 2 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 3 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 4 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 5 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 6 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 7 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 8 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 9 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 10 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 11 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 12 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 13 |
Correct |
10 ms |
11348 KB |
Output is correct |
| 14 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 15 |
Correct |
23 ms |
11204 KB |
Output is correct |
| 16 |
Correct |
34 ms |
11352 KB |
Output is correct |
| 17 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 18 |
Partially correct |
33 ms |
11352 KB |
Partially correct - number of queries: 5429 |
| 19 |
Correct |
16 ms |
11352 KB |
Output is correct |
| 20 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 21 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 22 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 23 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 24 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 25 |
Partially correct |
52 ms |
11352 KB |
Partially correct - number of queries: 6328 |
| 26 |
Partially correct |
50 ms |
11352 KB |
Partially correct - number of queries: 6562 |
| 27 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 28 |
Correct |
33 ms |
11312 KB |
Output is correct |
| 29 |
Correct |
27 ms |
11352 KB |
Output is correct |
| 30 |
Partially correct |
36 ms |
11352 KB |
Partially correct - number of queries: 5381 |
| 31 |
Correct |
18 ms |
11352 KB |
Output is correct |
| 32 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 33 |
Correct |
7 ms |
11352 KB |
Output is correct |
| 34 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 35 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 36 |
Correct |
25 ms |
11352 KB |
Output is correct |
| 37 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 38 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 39 |
Correct |
16 ms |
11352 KB |
Output is correct |
| 40 |
Correct |
36 ms |
11352 KB |
Output is correct |
| 41 |
Partially correct |
34 ms |
11352 KB |
Partially correct - number of queries: 6254 |
| 42 |
Partially correct |
54 ms |
11352 KB |
Partially correct - number of queries: 6254 |
| 43 |
Partially correct |
35 ms |
11352 KB |
Partially correct - number of queries: 6508 |
| 44 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 45 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 46 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 47 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 48 |
Partially correct |
54 ms |
11352 KB |
Partially correct - number of queries: 7139 |
| 49 |
Correct |
20 ms |
11352 KB |
Output is correct |
| 50 |
Partially correct |
32 ms |
11208 KB |
Partially correct - number of queries: 5424 |
| 51 |
Correct |
19 ms |
11352 KB |
Output is correct |
| 52 |
Correct |
24 ms |
11352 KB |
Output is correct |
| 53 |
Correct |
9 ms |
11604 KB |
Output is correct |
| 54 |
Correct |
15 ms |
11352 KB |
Output is correct |
| 55 |
Correct |
24 ms |
11352 KB |
Output is correct |
| 56 |
Partially correct |
32 ms |
11352 KB |
Partially correct - number of queries: 5425 |
| 57 |
Partially correct |
39 ms |
11352 KB |
Partially correct - number of queries: 7282 |
| 58 |
Partially correct |
45 ms |
11352 KB |
Partially correct - number of queries: 7157 |
| 59 |
Partially correct |
49 ms |
11352 KB |
Partially correct - number of queries: 6254 |
| 60 |
Partially correct |
59 ms |
11352 KB |
Partially correct - number of queries: 6974 |
| 61 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 62 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 63 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 64 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 65 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 66 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 67 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 68 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 69 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 70 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 71 |
Partially correct |
59 ms |
11352 KB |
Partially correct - number of queries: 8104 |
| 72 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 73 |
Partially correct |
52 ms |
11372 KB |
Partially correct - number of queries: 7999 |
| 74 |
Partially correct |
61 ms |
11352 KB |
Partially correct - number of queries: 8044 |
| 75 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 76 |
Partially correct |
56 ms |
11352 KB |
Partially correct - number of queries: 7024 |
| 77 |
Partially correct |
65 ms |
11352 KB |
Partially correct - number of queries: 8106 |
| 78 |
Correct |
16 ms |
11352 KB |
Output is correct |
| 79 |
Correct |
21 ms |
11352 KB |
Output is correct |
| 80 |
Partially correct |
32 ms |
11352 KB |
Partially correct - number of queries: 6083 |
| 81 |
Partially correct |
48 ms |
11268 KB |
Partially correct - number of queries: 6083 |
| 82 |
Partially correct |
50 ms |
11352 KB |
Partially correct - number of queries: 8053 |
| 83 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 84 |
Partially correct |
42 ms |
11352 KB |
Partially correct - number of queries: 6791 |
| 85 |
Partially correct |
74 ms |
11352 KB |
Partially correct - number of queries: 8108 |
| 86 |
Correct |
19 ms |
11352 KB |
Output is correct |
| 87 |
Correct |
10 ms |
11348 KB |
Output is correct |
| 88 |
Correct |
14 ms |
11352 KB |
Output is correct |
| 89 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 90 |
Correct |
9 ms |
11352 KB |
Output is correct |
| 91 |
Correct |
10 ms |
11352 KB |
Output is correct |
| 92 |
Correct |
8 ms |
11352 KB |
Output is correct |
| 93 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 94 |
Correct |
13 ms |
11352 KB |
Output is correct |
| 95 |
Correct |
11 ms |
11352 KB |
Output is correct |
| 96 |
Correct |
12 ms |
11352 KB |
Output is correct |
| 97 |
Correct |
8 ms |
11348 KB |
Output is correct |
