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답안 #916057

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
916057 2024-01-25T08:17:28 Z GrindMachine Gap (APIO16_gap) C++17
0 / 100
 2000 ms 3144 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long int ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define pb push_back
#define endl '\n'
#define sz(a) (int)a.size()
#define setbits(x) __builtin_popcountll(x)
#define ff first
#define ss second
#define conts continue
#define ceil2(x,y) ((x+y-1)/(y))
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define yes cout << "Yes" << endl
#define no cout << "No" << endl

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)

template<typename T>
void amin(T &a, T b) {
    a = min(a,b);
}

template<typename T>
void amax(T &a, T b) {
    a = max(a,b);
}

#ifdef LOCAL
#include "debug.h"
#else
#define debug(x) 42
#endif

/*

read some solutions a long time ago, slightly remember some ideas
may have still solved it if not for those ideas

*/

const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = int(1e9) + 5;
const ll inf2 = ll(1e18) + 5;
const int B = 105;

#include "gap.h"

ll go(ll l, ll r){
	if(l >= r) return 0;

	// split into B segs
	ll len = r-l+1;
	ll cnt1 = B;
	ll cnt2 = len%B;
	cnt1 -= cnt2;

	vector<pll> segs;
	ll ptr = l;

	rep1(i,cnt1){
		if(len >= B){
			segs.pb({ptr,ptr+len/B-1});
		}
		ptr += len/B;
	}

	rep1(i,cnt2){
		segs.pb({ptr,ptr+ceil2(len,B)-1});
		ptr += ceil2(len,B);
	}

	// cout << "l = " << l << endl;
	// cout << "r = " << r << endl;
	// for(auto [lx,rx] : segs){
	// 	cout << lx << " " << rx << endl;
	// }

	assert(ptr == r+1);

	vector<pll> seg_vals;
	ll ans = 0;

	rep(i,sz(segs)){
		ll mn,mx;
		auto [lx,rx] = segs[i];
		MinMax(lx,rx,&mn,&mx);
		seg_vals.pb({mn,mx});
		if(mn != -1){
			amax(ans,go(lx,rx));
		}
	}

	ll last_active = -1;

	for(auto [mn,mx] : seg_vals){
		if(mn != -1){
			if(last_active != -1){
				amax(ans,mn-last_active);
			}
			last_active = mx;
		}
	}

	return ans;
}

long long findGap(int T, int n)
{
	return go(0,inf2);
}

Subtask #1
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Incorrect 1 ms 2392 KB Output isn't correct
3 Incorrect 1 ms 2392 KB Output isn't correct
4 Incorrect 1 ms 2392 KB Output isn't correct
5 Incorrect 1 ms 2392 KB Output isn't correct
6 Incorrect 5 ms 2392 KB Output isn't correct
7 Incorrect 5 ms 2392 KB Output isn't correct
8 Incorrect 5 ms 2544 KB Output isn't correct
9 Incorrect 5 ms 2392 KB Output isn't correct
10 Incorrect 1 ms 2392 KB Output isn't correct
11 Incorrect 91 ms 2524 KB Output isn't correct
12 Incorrect 88 ms 2392 KB Output isn't correct
13 Incorrect 89 ms 2392 KB Output isn't correct
14 Incorrect 88 ms 2392 KB Output isn't correct
15 Incorrect 36 ms 2392 KB Output isn't correct
16 Incorrect 1810 ms 2868 KB Output isn't correct
17 Incorrect 1794 ms 2616 KB Output isn't correct
18 Incorrect 1821 ms 2612 KB Output isn't correct
19 Incorrect 1801 ms 3040 KB Output isn't correct
20 Incorrect 10 ms 2572 KB Output isn't correct
21 Execution timed out 3060 ms 2888 KB Time limit exceeded
22 Execution timed out 3051 ms 2888 KB Time limit exceeded
23 Execution timed out 3069 ms 2896 KB Time limit exceeded
24 Execution timed out 3047 ms 2892 KB Time limit exceeded
25 Execution timed out 3002 ms 2892 KB Time limit exceeded
26 Execution timed out 3061 ms 2908 KB Time limit exceeded
27 Execution timed out 3010 ms 3144 KB Time limit exceeded
28 Execution timed out 3041 ms 2860 KB Time limit exceeded
29 Execution timed out 3029 ms 2888 KB Time limit exceeded
30 Incorrect 39 ms 2848 KB Output isn't correct
31 Incorrect 2 ms 2392 KB Output isn't correct
32 Incorrect 2 ms 2392 KB Output isn't correct

Subtask #2
0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Partially correct 1 ms 2392 KB Partially correct
2 Partially correct 1 ms 2392 KB Partially correct
3 Partially correct 1 ms 2392 KB Partially correct
4 Partially correct 1 ms 2392 KB Partially correct
5 Partially correct 1 ms 2392 KB Partially correct
6 Partially correct 5 ms 2536 KB Partially correct
7 Partially correct 5 ms 2392 KB Partially correct
8 Partially correct 5 ms 2392 KB Partially correct
9 Partially correct 8 ms 2388 KB Partially correct
10 Partially correct 1 ms 2588 KB Partially correct
11 Partially correct 89 ms 2524 KB Partially correct
12 Partially correct 90 ms 2392 KB Partially correct
13 Partially correct 89 ms 2528 KB Partially correct
14 Partially correct 117 ms 2524 KB Partially correct
15 Partially correct 53 ms 2392 KB Partially correct
16 Partially correct 1819 ms 2620 KB Partially correct
17 Partially correct 1801 ms 2616 KB Partially correct
18 Partially correct 1894 ms 2632 KB Partially correct
19 Partially correct 1833 ms 2612 KB Partially correct
20 Partially correct 10 ms 2532 KB Partially correct
21 Execution timed out 3059 ms 2892 KB Time limit exceeded
22 Execution timed out 3053 ms 2888 KB Time limit exceeded
23 Execution timed out 3031 ms 2852 KB Time limit exceeded
24 Execution timed out 3096 ms 2888 KB Time limit exceeded
25 Execution timed out 3055 ms 2884 KB Time limit exceeded
26 Execution timed out 3041 ms 2892 KB Time limit exceeded
27 Execution timed out 3038 ms 2908 KB Time limit exceeded
28 Execution timed out 3022 ms 3140 KB Time limit exceeded
29 Execution timed out 3025 ms 2888 KB Time limit exceeded
30 Partially correct 38 ms 2852 KB Partially correct
31 Partially correct 2 ms 2392 KB Partially correct
32 Partially correct 2 ms 2392 KB Partially correct