#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;
void debug_out(){cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
cerr << H << ' ';
debug_out(T...);
}
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
const int maxn = 2e5 + 10;
const int sq = 500;
int n, a[maxn][2];
bool askq(int x){
if (a[x][0] != -1) return false;
vector<int> res = ask(x);
a[x][0] = res[0];
a[x][1] = res[1];
return (a[x][0] == 0 && a[x][1] == 0);
}
int find_best(int _n){
n = _n;
memset(a, -1, sizeof a);
int mx = 0;
vector<pair<pii,pii>> q;
q.push_back({{0, n}, {0, 0}});
while(!q.empty()){
int l = q.back().F.F, r = q.back().F.S;
int cntl = q.back().S.F, cntr = q.back().S.S;
//debug(l, r, cntl, cntr);
q.pop_back();
if (l + 1 == r){
if (askq(l)) return l;
continue;
}
int mid = (l + r) >> 1;
bool flg = false;
int x = mid;
while(x != r){
if (askq(x)) return x;
if (a[x][0] + a[x][1] > mx){
mx = a[x][0] + a[x][1];
q.clear();
q.push_back({{0, n}, {0, 0}});
flg = true;
break;
}
if (a[x][0] + a[x][1] < mx){
x++;
continue;
}
flg = true;
int L = a[x][0] - cntl - (x-mid);
int R = a[x][1] - cntr;
if (L > 0){
q.push_back({{l, mid}, {cntl, a[x][1] + (x-mid)}});
}
if (R > 0){
q.push_back({{x+1, r}, {a[x][0], cntr}});
}
break;
}
if (!flg){
if (mx - cntl - cntr - (x-mid) > 0) q.push_back({{l, mid}, {cntl, cntr + (x-mid)}});
}
}
assert(0);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1840 KB |
Output is correct |
| 2 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1872 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1744 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1872 KB |
Output is correct |
| 2 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1828 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1840 KB |
Output is correct |
| 8 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 11 |
Correct |
4 ms |
1836 KB |
Output is correct |
| 12 |
Correct |
3 ms |
1744 KB |
Output is correct |
| 13 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 14 |
Correct |
5 ms |
1744 KB |
Output is correct |
| 15 |
Correct |
17 ms |
1828 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1836 KB |
Output is correct |
| 17 |
Correct |
31 ms |
1744 KB |
Output is correct |
| 18 |
Correct |
1 ms |
1828 KB |
Output is correct |
| 19 |
Correct |
25 ms |
1832 KB |
Output is correct |
| 20 |
Correct |
11 ms |
1832 KB |
Output is correct |
| 21 |
Correct |
10 ms |
1832 KB |
Output is correct |
| 22 |
Correct |
21 ms |
1744 KB |
Output is correct |
| 23 |
Correct |
1 ms |
1816 KB |
Output is correct |
| 24 |
Correct |
3 ms |
1828 KB |
Output is correct |
| 25 |
Correct |
13 ms |
1832 KB |
Output is correct |
| 26 |
Correct |
15 ms |
1836 KB |
Output is correct |
| 27 |
Correct |
2 ms |
1836 KB |
Output is correct |
| 28 |
Correct |
2 ms |
1836 KB |
Output is correct |
| 29 |
Correct |
5 ms |
1836 KB |
Output is correct |
| 30 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 31 |
Correct |
32 ms |
1744 KB |
Output is correct |
| 32 |
Correct |
3 ms |
1840 KB |
Output is correct |
| 33 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 34 |
Correct |
32 ms |
1744 KB |
Output is correct |
| 35 |
Correct |
2 ms |
1832 KB |
Output is correct |
| 36 |
Correct |
31 ms |
1840 KB |
Output is correct |
| 37 |
Correct |
3 ms |
1744 KB |
Output is correct |
| 38 |
Correct |
2 ms |
1828 KB |
Output is correct |
| 39 |
Correct |
23 ms |
1736 KB |
Output is correct |
| 40 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 41 |
Correct |
15 ms |
1824 KB |
Output is correct |
| 42 |
Correct |
14 ms |
1744 KB |
Output is correct |
| 43 |
Correct |
16 ms |
1840 KB |
Output is correct |
| 44 |
Correct |
20 ms |
1772 KB |
Output is correct |
| 45 |
Correct |
18 ms |
1816 KB |
Output is correct |
| 46 |
Correct |
31 ms |
1840 KB |
Output is correct |
| 47 |
Correct |
17 ms |
1816 KB |
Output is correct |
| 48 |
Correct |
10 ms |
1828 KB |
Output is correct |
| 49 |
Correct |
14 ms |
1844 KB |
Output is correct |
| 50 |
Correct |
1 ms |
1828 KB |
Output is correct |
| 51 |
Correct |
21 ms |
1836 KB |
Output is correct |
| 52 |
Correct |
35 ms |
1744 KB |
Output is correct |
| 53 |
Correct |
1 ms |
1840 KB |
Output is correct |
| 54 |
Correct |
11 ms |
1828 KB |
Output is correct |
| 55 |
Correct |
33 ms |
1744 KB |
Output is correct |
| 56 |
Correct |
1 ms |
1824 KB |
Output is correct |
| 57 |
Correct |
10 ms |
1836 KB |
Output is correct |
| 58 |
Correct |
11 ms |
1744 KB |
Output is correct |
| 59 |
Correct |
7 ms |
1836 KB |
Output is correct |
| 60 |
Correct |
18 ms |
1840 KB |
Output is correct |
| 61 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 62 |
Correct |
1 ms |
1832 KB |
Output is correct |
| 63 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 64 |
Correct |
2 ms |
1836 KB |
Output is correct |
| 65 |
Correct |
1 ms |
1828 KB |
Output is correct |
| 66 |
Correct |
3 ms |
1836 KB |
Output is correct |
| 67 |
Correct |
3 ms |
1832 KB |
Output is correct |
| 68 |
Correct |
1 ms |
1744 KB |
Output is correct |
| 69 |
Correct |
4 ms |
1832 KB |
Output is correct |
| 70 |
Correct |
2 ms |
1744 KB |
Output is correct |
| 71 |
Correct |
39 ms |
1744 KB |
Output is correct |
| 72 |
Correct |
5 ms |
1744 KB |
Output is correct |
| 73 |
Correct |
33 ms |
1808 KB |
Output is correct |
| 74 |
Correct |
38 ms |
1744 KB |
Output is correct |
| 75 |
Correct |
2 ms |
1872 KB |
Output is correct |
| 76 |
Correct |
27 ms |
1744 KB |
Output is correct |
| 77 |
Correct |
30 ms |
1792 KB |
Output is correct |
| 78 |
Correct |
5 ms |
1744 KB |
Output is correct |
| 79 |
Correct |
19 ms |
1744 KB |
Output is correct |
| 80 |
Correct |
17 ms |
1836 KB |
Output is correct |
| 81 |
Correct |
25 ms |
1744 KB |
Output is correct |
| 82 |
Correct |
31 ms |
1744 KB |
Output is correct |
| 83 |
Correct |
2 ms |
1744 KB |
Output is correct |
| 84 |
Correct |
31 ms |
1744 KB |
Output is correct |
| 85 |
Correct |
26 ms |
1744 KB |
Output is correct |
| 86 |
Correct |
3 ms |
1744 KB |
Output is correct |
| 87 |
Correct |
2 ms |
1744 KB |
Output is correct |
| 88 |
Correct |
4 ms |
1744 KB |
Output is correct |
| 89 |
Correct |
4 ms |
1744 KB |
Output is correct |
| 90 |
Correct |
1 ms |
1836 KB |
Output is correct |
| 91 |
Correct |
4 ms |
1744 KB |
Output is correct |
| 92 |
Correct |
2 ms |
1744 KB |
Output is correct |
| 93 |
Correct |
3 ms |
1744 KB |
Output is correct |
| 94 |
Correct |
3 ms |
1792 KB |
Output is correct |
| 95 |
Correct |
4 ms |
1744 KB |
Output is correct |
| 96 |
Correct |
3 ms |
1744 KB |
Output is correct |
| 97 |
Correct |
1 ms |
1744 KB |
Output is correct |
