#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
const int maxn = 2e5 + 20;
vector<int> res[maxn] , candid;
int mx;
bool found;
vector<int> reval(int k)
{
if(!res[k].empty())
return res[k];
res[k] = ask(k);
if(res[k][0] + res[k][1] == 0)
found = 1;
return res[k];
}
void solve(int l , int r)
{
if(found)
return;
while(l < r)
{
if(found)
return;
auto tmp = reval(l);
if(tmp[0] + tmp[1] != mx)
candid.pb(l++);
else
break;
}
if(found)
return;
while(l < r)
{
if(found)
return;
r--;
auto tmp = reval(r);
if(tmp[0] + tmp[1] != mx)
candid.pb(r);
else
break;
}
if(found)
return;
if(l >= r)
return;
reval(l); reval(r);
if(res[r][0] - res[l][0] == 0)
return;
int m = (l + r) / 2;
solve(m , r + 1);
solve(l , m);
}
int find_best(int n)
{
if(n <= 5000)
{
for(int i = 0; i < n; i++) {
std::vector<int> res = ask(i);
if(res[0] + res[1] == 0)
return i;
}
}
for(int i = 0; i < 600; i++)
{
vector<int> tmp = reval(i);
mx = max(mx , tmp[0] + tmp[1]);
}
solve(0 , n);
for(int i = 0; i < n; i++)
{
if(res[i].empty())
continue;
auto tmp = res[i];
if(tmp[0] + tmp[1] == 0)
return i;
}
cout << 1/0;
return -85;
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:97:11: warning: division by zero [-Wdiv-by-zero]
cout << 1/0;
~^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 3 |
Correct |
10 ms |
5028 KB |
Output is correct |
| 4 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 5 |
Correct |
10 ms |
5152 KB |
Output is correct |
| 6 |
Correct |
9 ms |
5056 KB |
Output is correct |
| 7 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 8 |
Correct |
15 ms |
4988 KB |
Output is correct |
| 9 |
Correct |
13 ms |
5104 KB |
Output is correct |
| 10 |
Correct |
13 ms |
4984 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
5116 KB |
Output is correct |
| 2 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 3 |
Correct |
13 ms |
5028 KB |
Output is correct |
| 4 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 5 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 6 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 7 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 8 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 9 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 10 |
Correct |
9 ms |
5028 KB |
Output is correct |
| 11 |
Correct |
12 ms |
5120 KB |
Output is correct |
| 12 |
Correct |
20 ms |
5112 KB |
Output is correct |
| 13 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 14 |
Correct |
27 ms |
5020 KB |
Output is correct |
| 15 |
Partially correct |
78 ms |
5124 KB |
Partially correct - number of queries: 6718 |
| 16 |
Correct |
27 ms |
4984 KB |
Output is correct |
| 17 |
Correct |
11 ms |
5112 KB |
Output is correct |
| 18 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 19 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 20 |
Correct |
52 ms |
5112 KB |
Output is correct |
| 21 |
Partially correct |
66 ms |
5180 KB |
Partially correct - number of queries: 5345 |
| 22 |
Partially correct |
60 ms |
5300 KB |
Partially correct - number of queries: 5864 |
| 23 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 24 |
Correct |
21 ms |
5088 KB |
Output is correct |
| 25 |
Correct |
49 ms |
5008 KB |
Output is correct |
| 26 |
Correct |
39 ms |
5148 KB |
Output is correct |
| 27 |
Correct |
15 ms |
5024 KB |
Output is correct |
| 28 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 29 |
Correct |
20 ms |
5068 KB |
Output is correct |
| 30 |
Correct |
13 ms |
5240 KB |
Output is correct |
| 31 |
Correct |
16 ms |
5112 KB |
Output is correct |
| 32 |
Correct |
11 ms |
5116 KB |
Output is correct |
| 33 |
Correct |
7 ms |
4984 KB |
Output is correct |
| 34 |
Partially correct |
38 ms |
5296 KB |
Partially correct - number of queries: 5830 |
| 35 |
Correct |
14 ms |
5032 KB |
Output is correct |
| 36 |
Partially correct |
70 ms |
5168 KB |
Partially correct - number of queries: 6435 |
| 37 |
Correct |
23 ms |
4984 KB |
Output is correct |
| 38 |
Correct |
11 ms |
5136 KB |
Output is correct |
| 39 |
Correct |
53 ms |
5112 KB |
Output is correct |
| 40 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 41 |
Correct |
40 ms |
5060 KB |
Output is correct |
| 42 |
Correct |
46 ms |
5116 KB |
Output is correct |
| 43 |
Correct |
37 ms |
5292 KB |
Output is correct |
| 44 |
Partially correct |
39 ms |
5280 KB |
Partially correct - number of queries: 5247 |
| 45 |
Partially correct |
35 ms |
5284 KB |
Partially correct - number of queries: 5293 |
| 46 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 47 |
Correct |
43 ms |
5152 KB |
Output is correct |
| 48 |
Correct |
37 ms |
5096 KB |
Output is correct |
| 49 |
Partially correct |
82 ms |
5288 KB |
Partially correct - number of queries: 7614 |
| 50 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 51 |
Partially correct |
62 ms |
5084 KB |
Partially correct - number of queries: 5245 |
| 52 |
Partially correct |
89 ms |
5240 KB |
Partially correct - number of queries: 8107 |
| 53 |
Correct |
14 ms |
5012 KB |
Output is correct |
| 54 |
Correct |
61 ms |
5112 KB |
Output is correct |
| 55 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 56 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 57 |
Correct |
36 ms |
5120 KB |
Output is correct |
| 58 |
Correct |
22 ms |
5176 KB |
Output is correct |
| 59 |
Correct |
50 ms |
5112 KB |
Output is correct |
| 60 |
Correct |
44 ms |
5096 KB |
Output is correct |
| 61 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 62 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 63 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 64 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 65 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 66 |
Correct |
13 ms |
5112 KB |
Output is correct |
| 67 |
Correct |
17 ms |
4984 KB |
Output is correct |
| 68 |
Correct |
9 ms |
5140 KB |
Output is correct |
| 69 |
Correct |
12 ms |
5024 KB |
Output is correct |
| 70 |
Correct |
13 ms |
5028 KB |
Output is correct |
| 71 |
Partially correct |
101 ms |
5288 KB |
Partially correct - number of queries: 9636 |
| 72 |
Correct |
20 ms |
5112 KB |
Output is correct |
| 73 |
Partially correct |
96 ms |
5308 KB |
Partially correct - number of queries: 9517 |
| 74 |
Partially correct |
104 ms |
5288 KB |
Partially correct - number of queries: 9568 |
| 75 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 76 |
Partially correct |
88 ms |
5504 KB |
Partially correct - number of queries: 8412 |
| 77 |
Partially correct |
95 ms |
5368 KB |
Partially correct - number of queries: 9073 |
| 78 |
Correct |
20 ms |
4988 KB |
Output is correct |
| 79 |
Correct |
58 ms |
5112 KB |
Output is correct |
| 80 |
Partially correct |
57 ms |
5296 KB |
Partially correct - number of queries: 9046 |
| 81 |
Partially correct |
74 ms |
5376 KB |
Partially correct - number of queries: 9064 |
| 82 |
Partially correct |
73 ms |
5240 KB |
Partially correct - number of queries: 8946 |
| 83 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 84 |
Partially correct |
52 ms |
5300 KB |
Partially correct - number of queries: 7602 |
| 85 |
Partially correct |
95 ms |
5468 KB |
Partially correct - number of queries: 9005 |
| 86 |
Correct |
15 ms |
5116 KB |
Output is correct |
| 87 |
Correct |
12 ms |
5028 KB |
Output is correct |
| 88 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 89 |
Correct |
15 ms |
5032 KB |
Output is correct |
| 90 |
Correct |
11 ms |
4984 KB |
Output is correct |
| 91 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 92 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 93 |
Correct |
14 ms |
5136 KB |
Output is correct |
| 94 |
Correct |
21 ms |
4984 KB |
Output is correct |
| 95 |
Correct |
17 ms |
4984 KB |
Output is correct |
| 96 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 97 |
Correct |
15 ms |
5112 KB |
Output is correct |
