| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 967800 | TAhmed33 | Gap (APIO16_gap) | C++98 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#pragma GCC optimize ("trapv")
#include "gap.h"
#include "grader.cpp"
using namespace std;
typedef long long ll;
const ll inf = 1e18;
pair <ll, ll> ask (ll l, ll r) {
if (l > r) return {-1, -1};
ll mn = l, mx = r;
MinMax(l, r, &mn, &mx);
return {mn, mx};
}
ll findGap (int t, int n) {
auto g = ask(0, inf); n -= 2;
ll ans = 0;
while (n > 1) {
auto h = ask(g.first + 1, g.second - 1);
if (h.first == -1) {
ans = max(ans, g.second - g.first);
break;
}
assert(g.first < h.first && h.first <= h.second && h.second < g.second);
ans = max(ans, g.second - h.second);
ans = max(ans, h.first - g.first);
g = h;
n -= 2;
}
return ans;
}