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Submission #413003

# Submission time Handle Problem Language Result Execution time Memory
413003 2021-05-28T01:33:57 Z joseacaz Snowball (JOI21_ho_t2) C++17
100 / 100
 134 ms 18244 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
 
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define pb push_back

const int MAXN = (int)2e5 + 5;
const ll INF = (1LL << 62LL);
int N, Q;
ll a[MAXN], W[MAXN];
pair<ll, int> spacesL[MAXN], spacesR[MAXN];

ll l[MAXN], r[MAXN], pos;
ll finalL[MAXN], finalR[MAXN];

int main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> Q;
	for(int i = 1; i <= N; i++)
		cin >> a[i];
	a[0] = -INF, a[N + 1] = INF;
	for(int i = 0; i <= N + 1; i++)
	{
		if(i < N + 1)
			spacesR[i] = {a[i + 1] - a[i], i};
		else
			spacesR[i] = {0, N + 1};
			
		if(i > 0)
			spacesL[i] = {a[i] - a[i - 1], i};
		else
			spacesL[i] = {0, 0};
	}
	sort(spacesR, spacesR + N + 2);
	sort(spacesL, spacesL + N + 2);
	
	ll delta = 0;
	int lpnt = 0, rpnt = 0;
	for(int q = 1; q <= Q; q++)
	{
		cin >> W[q];
		pos += W[q];
		l[q] = min(l[q - 1], pos);
		r[q] = max(r[q - 1], pos);
		
		if(l[q] < l[q - 1])
		{
			//cerr << l[q] << " " << r[q] << "\n";
			delta += l[q - 1] - l[q];
			
			for(; lpnt <= N + 1; lpnt++)
			{
				if(spacesL[lpnt].second == 0)
					continue;
				if(spacesL[lpnt].first > delta)
					break;
				int idx = spacesL[lpnt].second;
				finalL[idx] = a[idx] + l[q - 1] - (spacesL[lpnt].first - (delta - l[q - 1] + l[q]));
				//cerr << "l " << idx << ": " << finalL[idx] << "\n";
			}
			
			for(; rpnt <= N + 1; rpnt++)
			{
				if(spacesR[rpnt].second == N + 1)
					continue;
				if(spacesR[rpnt].first > delta)
					break;
				int idx = spacesR[rpnt].second;
				finalR[idx] = a[idx] + r[q - 1];
				//cerr << "r " << idx << ": " << finalR[idx] << "\n";
			}
			
		}
		else if(r[q] > r[q - 1])
		{
			//cerr << l[q] << " " << r[q] << "\n";
			delta += r[q] - r[q - 1];

			for(; lpnt <= N + 1; lpnt++)
			{
				if(spacesL[lpnt].second == 0)
					continue;
				if(spacesL[lpnt].first > delta)
					break;
				int idx = spacesL[lpnt].second;
				finalL[idx] = a[idx] + l[q - 1];
				//cerr << "l " << idx << ": " << finalL[idx] << "\n";
			}
			
			for(; rpnt <= N + 1; rpnt++)
			{
				if(spacesR[rpnt].second == N + 1)
					continue;
				if(spacesR[rpnt].first > delta)
					break;
				int idx = spacesR[rpnt].second;
				finalR[idx] = a[idx] + r[q - 1] + (spacesR[rpnt].first - (delta - r[q] + r[q - 1]));
				//cerr << "r " << idx << ": " << finalR[idx] << "\n";
			}	
		}
	}
	
	for(int i = lpnt; i <= N + 1; i++)
	{
		int idx = spacesL[i].second;
		finalL[idx] = a[idx] + l[Q];
	}
	for(int i = rpnt; i <= N + 1; i++)
	{
		int idx = spacesR[i].second;
		finalR[idx] = a[idx] + r[Q];
	}
	
	for(int i = 1; i <= N; i++)
		cout << finalR[i] - finalL[i] << "\n";
	return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 1 ms 352 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 460 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 460 KB Output is correct
9 Correct 2 ms 460 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 1 ms 352 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 36 ms 5004 KB Output is correct
21 Correct 34 ms 4924 KB Output is correct
22 Correct 34 ms 4960 KB Output is correct
23 Correct 31 ms 5060 KB Output is correct
24 Correct 38 ms 6852 KB Output is correct
25 Correct 129 ms 18080 KB Output is correct
26 Correct 127 ms 18040 KB Output is correct
27 Correct 124 ms 17848 KB Output is correct
28 Correct 124 ms 17808 KB Output is correct
29 Correct 124 ms 17672 KB Output is correct
30 Correct 120 ms 17248 KB Output is correct
31 Correct 114 ms 16836 KB Output is correct
32 Correct 83 ms 16780 KB Output is correct
33 Correct 15 ms 2500 KB Output is correct
34 Correct 124 ms 18040 KB Output is correct
35 Correct 119 ms 17784 KB Output is correct
36 Correct 124 ms 17988 KB Output is correct
37 Correct 134 ms 17760 KB Output is correct
38 Correct 128 ms 17796 KB Output is correct
39 Correct 124 ms 17776 KB Output is correct
40 Correct 124 ms 17764 KB Output is correct
41 Correct 43 ms 5496 KB Output is correct
42 Correct 109 ms 16864 KB Output is correct
43 Correct 119 ms 17988 KB Output is correct
44 Correct 37 ms 5536 KB Output is correct
45 Correct 117 ms 17796 KB Output is correct
46 Correct 112 ms 18244 KB Output is correct
47 Correct 112 ms 18096 KB Output is correct
48 Correct 113 ms 18112 KB Output is correct