#include <bits/stdc++.h>
#define pb push_back
#include "prize.h"
using namespace std;
bool fix[200003];
int Q;
vector <int> dp[200003];
vector <int> askk(int x){
if (dp[x].size()) return dp[x];
return dp[x] = ask(x);
}
int find_best(int n){
int block = 500,mx = -1,idx = -1;
vector <int> opt;
for (int i = 0; i < min(n,block); i++){
vector <int> vec = askk(i);
int sum = vec[0] + vec[1];
if (sum == 0) return i;
if (sum > mx){
mx = sum;
opt = vec;
idx = i;
}
}
for (int i = idx; i < n; i++){
vector <int> vec = askk(i);
if (vec[0] + vec[1] == 0) {
return i;
}
if (vec[0] + vec[1] != mx) {
fix[i] = 1;
continue;
}
opt = vec;
int id = i;
int l = i, r = n - 1,res = i;
while (l <= r){
int mid = (l + r)/2;
vector <int> vec = askk(mid);
if (vec[0] + vec[1] == 0) {
return mid;
}
if (vec != opt){
r = mid - 1;
}else{
res = mid;
l = mid + 1;
}
}
for (int j = id; j <= res; j++)
fix[j] = 1;
i = res;
}
for (int i = 0; i < n; i++){
if (!fix[i]){
vector <int> vec = askk(i);
if (vec[0] + vec[1] == 0) {
return i;
}
}
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:18:15: warning: control reaches end of non-void function [-Wreturn-type]
18 | vector <int> opt;
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 7 |
Correct |
3 ms |
5212 KB |
Output is correct |
| 8 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 9 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 10 |
Correct |
4 ms |
5212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 5 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 9 |
Correct |
5 ms |
5720 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 12 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 14 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 15 |
Correct |
8 ms |
5208 KB |
Output is correct |
| 16 |
Partially correct |
46 ms |
5712 KB |
Partially correct - number of queries: 7218 |
| 17 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 18 |
Partially correct |
55 ms |
5752 KB |
Partially correct - number of queries: 8374 |
| 19 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
9 ms |
5204 KB |
Output is correct |
| 21 |
Correct |
16 ms |
5424 KB |
Output is correct |
| 22 |
Correct |
8 ms |
5172 KB |
Output is correct |
| 23 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 24 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 25 |
Correct |
36 ms |
5488 KB |
Output is correct |
| 26 |
Correct |
15 ms |
5472 KB |
Output is correct |
| 27 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 28 |
Partially correct |
41 ms |
5456 KB |
Partially correct - number of queries: 7902 |
| 29 |
Partially correct |
41 ms |
5452 KB |
Partially correct - number of queries: 6143 |
| 30 |
Partially correct |
48 ms |
5404 KB |
Partially correct - number of queries: 8307 |
| 31 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 32 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 33 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 34 |
Correct |
15 ms |
5380 KB |
Output is correct |
| 35 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 36 |
Correct |
17 ms |
5216 KB |
Output is correct |
| 37 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 38 |
Correct |
3 ms |
5136 KB |
Output is correct |
| 39 |
Correct |
16 ms |
5152 KB |
Output is correct |
| 40 |
Partially correct |
28 ms |
5528 KB |
Partially correct - number of queries: 7177 |
| 41 |
Partially correct |
28 ms |
5472 KB |
Partially correct - number of queries: 5238 |
| 42 |
Partially correct |
34 ms |
5508 KB |
Partially correct - number of queries: 5238 |
| 43 |
Correct |
25 ms |
5456 KB |
Output is correct |
| 44 |
Correct |
20 ms |
5452 KB |
Output is correct |
| 45 |
Correct |
15 ms |
5208 KB |
Output is correct |
| 46 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 47 |
Correct |
24 ms |
5424 KB |
Output is correct |
| 48 |
Partially correct |
27 ms |
5340 KB |
Partially correct - number of queries: 6334 |
| 49 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 50 |
Partially correct |
50 ms |
5488 KB |
Partially correct - number of queries: 8370 |
| 51 |
Correct |
19 ms |
5720 KB |
Output is correct |
| 52 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 54 |
Correct |
18 ms |
5208 KB |
Output is correct |
| 55 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 56 |
Partially correct |
38 ms |
5524 KB |
Partially correct - number of queries: 8374 |
| 57 |
Partially correct |
36 ms |
5384 KB |
Partially correct - number of queries: 6236 |
| 58 |
Partially correct |
28 ms |
5424 KB |
Partially correct - number of queries: 6320 |
| 59 |
Partially correct |
24 ms |
5140 KB |
Partially correct - number of queries: 5235 |
| 60 |
Correct |
32 ms |
5464 KB |
Output is correct |
| 61 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 62 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 63 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 64 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 65 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 66 |
Correct |
5 ms |
5464 KB |
Output is correct |
| 67 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 68 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 69 |
Correct |
6 ms |
5216 KB |
Output is correct |
| 70 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 71 |
Partially correct |
33 ms |
5548 KB |
Partially correct - number of queries: 8270 |
| 72 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 73 |
Partially correct |
55 ms |
6048 KB |
Partially correct - number of queries: 8159 |
| 74 |
Partially correct |
56 ms |
5456 KB |
Partially correct - number of queries: 8219 |
| 75 |
Correct |
6 ms |
5404 KB |
Output is correct |
| 76 |
Partially correct |
33 ms |
5628 KB |
Partially correct - number of queries: 7113 |
| 77 |
Partially correct |
45 ms |
5404 KB |
Partially correct - number of queries: 7051 |
| 78 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 79 |
Correct |
20 ms |
5712 KB |
Output is correct |
| 80 |
Partially correct |
53 ms |
5644 KB |
Partially correct - number of queries: 8409 |
| 81 |
Partially correct |
38 ms |
5484 KB |
Partially correct - number of queries: 8420 |
| 82 |
Partially correct |
55 ms |
5480 KB |
Partially correct - number of queries: 8353 |
| 83 |
Correct |
6 ms |
5208 KB |
Output is correct |
| 84 |
Partially correct |
38 ms |
5728 KB |
Partially correct - number of queries: 6970 |
| 85 |
Partially correct |
48 ms |
5712 KB |
Partially correct - number of queries: 8433 |
| 86 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 87 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 88 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 89 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 90 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 91 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 92 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 93 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 94 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 95 |
Correct |
7 ms |
5248 KB |
Output is correct |
| 96 |
Correct |
5 ms |
5400 KB |
Output is correct |
| 97 |
Correct |
3 ms |
4952 KB |
Output is correct |
