#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
pii memo[100005];
pii query(int p) {
if(memo[p] != pii{ -1, -1 }) return memo[p];
vector<int> res = ask(p);
return memo[p] = { res[0], res[1] };
}
int sum(int p) { return query(p).first + query(p).second; }
int L(int p) { return query(p).first; }
int R(int p) { return query(p).second; }
int find_best(int n) {
for(int i=0; i<n; i++) memo[i] = { -1, -1 };
if(n <= 4500) {
for(int i=0; i<n; i++)
if(sum(i) == 0) return i;
}
int curr = -1, mx = 0;
set<int> s;
for(int i=0; i<min(900, n); i++) {
mx = max(mx, sum(i));
if(sum(i) == 0) return i;
}
//cout << "<> lollipop: " << mx << '\n';
for(int i=1; i<=mx; i++) {
int l=curr+1, r=n-1, pos=n-1;
//cout << "it " << i << '\n';
while(l <= r) {
int mid = (l + r) / 2;
//cout << mid << '\n';
if(sum(mid) == 0) return mid;
if(sum(mid) == mx) {
if(L(mid) >= i) pos = mid, r = mid - 1;
else l = mid + 1;
} else {
pos = mid;
r = mid - 1;
}
}
//cout << "found at: " << pos << '\n';
curr = pos;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
1880 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
2 ms |
2136 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |