#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "prize.h"
VVI qr;
VI myask(int ind) {
if (qr[ind].size()) return qr[ind];
return qr[ind] = ask(ind);
}
int sum(int ind) {
return qr[ind][0] + qr[ind][1];
}
int dfs(int l, int r) {
/*cout << "NOW PROCESSING " << l+1 << " " << r+1 << endl;*/
myask(l);
if (sum(l) == 0) return l;
myask(r);
if (sum(r) == 0) return r;
if (l > r) return -1;
if (sum(l) > sum(r)) return dfs(l, r-1);
if (sum(l) < sum(r)) return dfs(l+1, r);
if (qr[l][0] == qr[r][0]) return -1;
int m = (l + r)/2;
myask(m);
if (sum(m) == 0) return m;
int ret;
ret = dfs(l, m);
if (ret != -1) return ret;
ret = dfs(m, r);
if (ret != -1) return ret;
return -1;
}
int find_best(int n) {
qr = VVI(n);
int sz = 475;
VPI ranges;
int l = 0;
int r = sz;
while (true) {
if (l >= n) break;
if (r >= n) r = n-1;
int ret = dfs(l, r);
if (ret != -1) return ret;
l = r+1;
r = l + sz;
}
return -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 2 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 3 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
8 ms |
5208 KB |
Output is correct |
| 5 |
Correct |
4 ms |
5148 KB |
Output is correct |
| 6 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 7 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 8 |
Correct |
4 ms |
5152 KB |
Output is correct |
| 9 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 10 |
Correct |
6 ms |
4952 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
4948 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5160 KB |
Output is correct |
| 3 |
Correct |
4 ms |
5148 KB |
Output is correct |
| 4 |
Correct |
5 ms |
5032 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 6 |
Correct |
2 ms |
5204 KB |
Output is correct |
| 7 |
Correct |
4 ms |
5144 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 9 |
Correct |
4 ms |
5152 KB |
Output is correct |
| 10 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 11 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 12 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 13 |
Correct |
8 ms |
5168 KB |
Output is correct |
| 14 |
Correct |
1 ms |
856 KB |
Output is correct |
| 15 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 16 |
Correct |
22 ms |
5204 KB |
Output is correct |
| 17 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 18 |
Correct |
35 ms |
5944 KB |
Output is correct |
| 19 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2648 KB |
Output is correct |
| 21 |
Correct |
10 ms |
5248 KB |
Output is correct |
| 22 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 23 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 24 |
Correct |
3 ms |
4952 KB |
Output is correct |
| 25 |
Correct |
9 ms |
4952 KB |
Output is correct |
| 26 |
Correct |
15 ms |
5208 KB |
Output is correct |
| 27 |
Correct |
3 ms |
5208 KB |
Output is correct |
| 28 |
Correct |
21 ms |
5212 KB |
Output is correct |
| 29 |
Correct |
16 ms |
5200 KB |
Output is correct |
| 30 |
Correct |
30 ms |
5200 KB |
Output is correct |
| 31 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 32 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
11 ms |
4952 KB |
Output is correct |
| 35 |
Correct |
6 ms |
5148 KB |
Output is correct |
| 36 |
Correct |
6 ms |
5176 KB |
Output is correct |
| 37 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 38 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 39 |
Correct |
12 ms |
5208 KB |
Output is correct |
| 40 |
Correct |
25 ms |
5232 KB |
Output is correct |
| 41 |
Correct |
13 ms |
5464 KB |
Output is correct |
| 42 |
Correct |
14 ms |
5180 KB |
Output is correct |
| 43 |
Correct |
13 ms |
5200 KB |
Output is correct |
| 44 |
Correct |
14 ms |
4952 KB |
Output is correct |
| 45 |
Correct |
10 ms |
5208 KB |
Output is correct |
| 46 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 47 |
Correct |
11 ms |
4952 KB |
Output is correct |
| 48 |
Correct |
15 ms |
5220 KB |
Output is correct |
| 49 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 50 |
Partially correct |
38 ms |
5680 KB |
Partially correct - number of queries: 5021 |
| 51 |
Correct |
10 ms |
4952 KB |
Output is correct |
| 52 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 53 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 54 |
Correct |
8 ms |
4952 KB |
Output is correct |
| 55 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 56 |
Partially correct |
35 ms |
5408 KB |
Partially correct - number of queries: 5034 |
| 57 |
Correct |
22 ms |
5420 KB |
Output is correct |
| 58 |
Correct |
12 ms |
5208 KB |
Output is correct |
| 59 |
Correct |
14 ms |
5424 KB |
Output is correct |
| 60 |
Correct |
9 ms |
5208 KB |
Output is correct |
| 61 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 62 |
Correct |
2 ms |
4952 KB |
Output is correct |
| 63 |
Correct |
7 ms |
5208 KB |
Output is correct |
| 64 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 65 |
Correct |
4 ms |
5208 KB |
Output is correct |
| 66 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 67 |
Correct |
7 ms |
4952 KB |
Output is correct |
| 68 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 69 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 70 |
Correct |
5 ms |
5208 KB |
Output is correct |
| 71 |
Partially correct |
29 ms |
5248 KB |
Partially correct - number of queries: 5036 |
| 72 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 73 |
Correct |
33 ms |
5472 KB |
Output is correct |
| 74 |
Partially correct |
27 ms |
5248 KB |
Partially correct - number of queries: 5004 |
| 75 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 76 |
Correct |
24 ms |
5208 KB |
Output is correct |
| 77 |
Partially correct |
26 ms |
5260 KB |
Partially correct - number of queries: 5036 |
| 78 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 79 |
Correct |
14 ms |
5208 KB |
Output is correct |
| 80 |
Partially correct |
22 ms |
5200 KB |
Partially correct - number of queries: 5032 |
| 81 |
Partially correct |
27 ms |
5204 KB |
Partially correct - number of queries: 5010 |
| 82 |
Partially correct |
28 ms |
5256 KB |
Partially correct - number of queries: 5013 |
| 83 |
Correct |
5 ms |
5152 KB |
Output is correct |
| 84 |
Correct |
15 ms |
5224 KB |
Output is correct |
| 85 |
Correct |
23 ms |
5464 KB |
Output is correct |
| 86 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 87 |
Correct |
4 ms |
4952 KB |
Output is correct |
| 88 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 89 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 90 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 91 |
Correct |
6 ms |
4952 KB |
Output is correct |
| 92 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 93 |
Correct |
8 ms |
4952 KB |
Output is correct |
| 94 |
Correct |
9 ms |
5144 KB |
Output is correct |
| 95 |
Correct |
5 ms |
4952 KB |
Output is correct |
| 96 |
Correct |
6 ms |
4948 KB |
Output is correct |
| 97 |
Correct |
5 ms |
5416 KB |
Output is correct |
