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Submission #667344

# Submission time Handle Problem Language Result Execution time Memory
667344 2022-12-01T07:28:21 Z NothingXD Gap (APIO16_gap) C++14
100 / 100
 56 ms 1916 KB 
#include "gap.h"
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
/*typedef __uint128_t L;
struct FastMod {
  ull b, m;
  FastMod(ull b) : b(b), m(ull((L(1) << 64) / b)) {}
  ull reduce(ull a) {
    ull q = (ull)((L(m) * a) >> 64);
    ull r = a - q * b; // can be proven that 0 <= r < 2*b
    return r >= b ? r - b : r;
  }
};
FastMod FM(2);*/
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

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 all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)
#define F first
#define S second

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int maxn = 1e5 + 10;

ll a[maxn];

ll solve(int n){
	ll L = 0, R = 1e18;
	for (int i = 1; 2 * i <= n+1; i++){
		MinMax(L, R, &a[i], &a[n-i+1]);
		L = a[i] + 1;
		R = a[n-i+1] - 1;
	}
	ll ans = a[2] - a[1];
	for (int i = 2; i <= n; i++){
		ans = max(ans, a[i] - a[i-1]);
	}
	return ans;
}

long long findGap(int T, int N)
{

	if (T == 1){
		return solve(N);
	}

	ll L, R; MinMax(0, 1e18, &L, &R);


	ll ans = (R - L + N - 2) / (N-1);
	ll k = ans;
	ll ptr = L + 1;
	ll lst = L;

	for (int i = 1; i < N; i++){
		ll mn, mx; MinMax(ptr, ptr + k - 1, &mn, &mx);
		if (mn != -1){
			ans = max(ans, mn - lst);
			lst = mx;
		}
		ptr += k;
	}

	return ans;

	return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 0 ms 208 KB Output is correct
10 Correct 0 ms 208 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 9 ms 648 KB Output is correct
17 Correct 9 ms 632 KB Output is correct
18 Correct 9 ms 592 KB Output is correct
19 Correct 9 ms 688 KB Output is correct
20 Correct 7 ms 592 KB Output is correct
21 Correct 38 ms 1768 KB Output is correct
22 Correct 35 ms 1772 KB Output is correct
23 Correct 46 ms 1740 KB Output is correct
24 Correct 40 ms 1860 KB Output is correct
25 Correct 31 ms 1916 KB Output is correct
26 Correct 36 ms 1816 KB Output is correct
27 Correct 43 ms 1772 KB Output is correct
28 Correct 42 ms 1824 KB Output is correct
29 Correct 42 ms 1740 KB Output is correct
30 Correct 30 ms 1736 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 0 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 208 KB Output is correct
6 Correct 0 ms 208 KB Output is correct
7 Correct 0 ms 208 KB Output is correct
8 Correct 0 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 2 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 13 ms 512 KB Output is correct
17 Correct 13 ms 520 KB Output is correct
18 Correct 13 ms 524 KB Output is correct
19 Correct 13 ms 512 KB Output is correct
20 Correct 7 ms 520 KB Output is correct
21 Correct 49 ms 1188 KB Output is correct
22 Correct 52 ms 1084 KB Output is correct
23 Correct 50 ms 1088 KB Output is correct
24 Correct 56 ms 1016 KB Output is correct
25 Correct 45 ms 996 KB Output is correct
26 Correct 49 ms 976 KB Output is correct
27 Correct 51 ms 1088 KB Output is correct
28 Correct 51 ms 968 KB Output is correct
29 Correct 49 ms 1088 KB Output is correct
30 Correct 33 ms 976 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 0 ms 208 KB Output is correct