oj.uz

답안 #839276

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
839276 2023-08-29T13:43:44 Z denniskim Fire (JOI20_ho_t5) C++17
100 / 100
 995 ms 151552 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef __int128 lll;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ld, ld> pld;
#define MAX 9223372036854775807LL
#define MIN -9223372036854775807LL
#define INF 0x3f3f3f3f3f3f3f3f
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cout << fixed; cout.precision(10);
#define sp << " "
#define en << "\n"
#define compress(v) sort(v.begin(), v.end()), v.erase(unique(v.begin(), v.end()), v.end())

struct gujo
{
	ll T, L, R, num;
	
	bool operator < (const gujo &xx) const
	{
		return T < xx.T;
	}
};

struct gujo2
{
	ll T, gap, typ, X;
	
	bool operator < (const gujo2 &xx) const
	{
		return T < xx.T;
	}
};

ll n, q;
ll a[200010];
gujo Q[200010];
ll Lidx[200010], Ridx[200010];
ll h[200010], w[200010];
vector<gujo2> vec2;
ll ans[200010];

struct lazysegtree
{
	ll seg[4000010];
	ll lazy[4000010];
	
	void prop(ll no, ll s, ll e)
	{
		if(lazy[no])
		{
			seg[no] += lazy[no] * (e - s + 1);
			
			if(s != e)
			{
				lazy[no << 1] += lazy[no];
				lazy[no << 1 | 1] += lazy[no];
			}
			
			lazy[no] = 0;
		}
	}
	
	void update(ll no, ll s, ll e, ll l, ll r, ll v)
	{
		prop(no, s, e);
		
		if(e < l || r < s)
			return;
		
		if(l <= s && e <= r)
		{
			seg[no] += v * (e - s + 1);
			
			if(s != e)
			{
				lazy[no << 1] += v;
				lazy[no << 1 | 1] += v;
			}
			
			return;
		}
		
		update(no << 1, s, (s + e) >> 1, l, r, v);
		update(no << 1 | 1, ((s + e) >> 1) + 1, e, l, r, v);
		
		seg[no] = seg[no << 1] + seg[no << 1 | 1];
	}
	
	ll query(ll no, ll s, ll e, ll l, ll r)
	{
		prop(no, s, e);
		
		if(e < l || r < s)
			return 0;
		
		if(l <= s && e <= r)
			return seg[no];
		
		return query(no << 1, s, (s + e) >> 1, l, r) + query(no << 1 | 1, ((s + e) >> 1) + 1, e, l, r);
	}
}segt1, segt2;

void LR(void)
{
	stack<ll> stk;
	
	for(ll i = 1 ; i <= n ; i++)
	{
		while(!stk.empty() && a[stk.top()] <= a[i])
			stk.pop();
		
		if(!stk.empty())
			Lidx[i] = stk.top();
		
		stk.push(i);
	}
	
	while(!stk.empty())
		stk.pop();
	
	for(ll i = n ; i >= 1 ; i--)
	{
		while(!stk.empty() && a[stk.top()] < a[i])
			stk.pop();
		
		if(!stk.empty())
			Ridx[i] = stk.top();
		
		stk.push(i);
	}
}

void diag(ll X, ll S, ll E, ll gp)
{
	vec2.push_back({S, X, 1, gp});
	vec2.push_back({E + 1, X, -1, -gp});
}

void rect(ll X, ll S, ll E, ll gp)
{
	vec2.push_back({S, X, 2, gp});
	vec2.push_back({E + 1, X, -2, -gp});
}

void tri(ll idx, ll len, ll S, ll E, ll gp)
{
	diag(S - idx, S, E, gp);
	rect(idx + len, S, E, -gp);
}

int main(void)
{
	fastio
	
	cin >> n >> q;
	
	for(ll i = 1 ; i <= n ; i++)
		cin >> a[i];
	
	for(ll i = 1 ; i <= q ; i++)
	{
		cin >> Q[i].T >> Q[i].L >> Q[i].R;
		Q[i].num = i;
	}
	
	sort(Q + 1, Q + 1 + q);
	
	LR();
	
	for(ll i = 1 ; i <= n ; i++)
	{
		if(!Lidx[i])
			h[i] = n + 1;
		else
			h[i] = i - Lidx[i];
		
		if(!Ridx[i])
			w[i] = n - i + 1;
		else
			w[i] = Ridx[i] - i;
	}
	
	for(ll i = 1 ; i <= n ; i++)
	{
		tri(i - h[i] + 1, h[i] + w[i] - 1, 0, h[i] + w[i] - 2, a[i]);
		tri(i - h[i] + 1, h[i] - 1, 0, h[i] - 2, -a[i]);
		tri(i + 1, w[i] - 1, 0, w[i] - 2, -a[i]);
	}
	
	sort(vec2.begin(), vec2.end());
	
	ll p = 0;
	
	for(ll i = 1 ; i <= q ; i++)
	{
		while(p < (ll)vec2.size() && vec2[p].T <= Q[i].T)
		{
			if(abs(vec2[p].typ) == 1)
				segt1.update(1, 0, 3 * n, 0, vec2[p].gap + n, vec2[p].X);
			else
				segt2.update(1, 0, n, vec2[p].gap, n, vec2[p].X);
			
			p++;
		}
		
		ans[Q[i].num] = segt1.query(1, 0, 3 * n, Q[i].T - Q[i].R + n, Q[i].T - Q[i].L + n);
		ans[Q[i].num] += segt2.query(1, 0, n, Q[i].L, Q[i].R);
	}
	
	for(ll i = 1 ; i <= q ; i++)
		cout << ans[i] en;
	
	return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 720 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 640 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 2 ms 720 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 842 ms 145664 KB Output is correct
3 Correct 861 ms 145756 KB Output is correct
4 Correct 917 ms 145928 KB Output is correct
5 Correct 863 ms 145968 KB Output is correct
6 Correct 872 ms 145776 KB Output is correct
7 Correct 904 ms 146040 KB Output is correct
8 Correct 916 ms 146032 KB Output is correct
9 Correct 865 ms 146280 KB Output is correct
10 Correct 843 ms 145672 KB Output is correct
11 Correct 862 ms 146100 KB Output is correct
12 Correct 862 ms 145704 KB Output is correct
13 Correct 853 ms 145908 KB Output is correct
14 Correct 904 ms 145800 KB Output is correct
15 Correct 870 ms 145864 KB Output is correct
16 Correct 866 ms 145680 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 880 ms 146024 KB Output is correct
3 Correct 814 ms 145564 KB Output is correct
4 Correct 896 ms 146048 KB Output is correct
5 Correct 904 ms 145552 KB Output is correct
6 Correct 810 ms 145708 KB Output is correct
7 Correct 828 ms 145808 KB Output is correct
8 Correct 814 ms 145628 KB Output is correct
9 Correct 803 ms 145584 KB Output is correct
10 Correct 824 ms 145356 KB Output is correct
11 Correct 839 ms 145864 KB Output is correct
12 Correct 820 ms 145584 KB Output is correct
13 Correct 871 ms 145800 KB Output is correct
14 Correct 817 ms 145516 KB Output is correct
15 Correct 845 ms 145720 KB Output is correct
16 Correct 842 ms 145564 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 779 ms 145304 KB Output is correct
2 Correct 880 ms 145324 KB Output is correct
3 Correct 877 ms 145672 KB Output is correct
4 Correct 833 ms 145460 KB Output is correct
5 Correct 888 ms 145476 KB Output is correct
6 Correct 901 ms 145300 KB Output is correct
7 Correct 952 ms 145564 KB Output is correct
8 Correct 860 ms 145528 KB Output is correct
9 Correct 823 ms 145440 KB Output is correct
10 Correct 837 ms 145420 KB Output is correct
11 Correct 846 ms 145564 KB Output is correct
12 Correct 864 ms 145488 KB Output is correct
13 Correct 861 ms 145440 KB Output is correct
14 Correct 875 ms 145612 KB Output is correct

Subtask #5
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 720 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 2 ms 640 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 720 KB Output is correct
16 Correct 2 ms 720 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 1 ms 596 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 596 KB Output is correct
24 Correct 1 ms 596 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 596 KB Output is correct
30 Correct 1 ms 596 KB Output is correct
31 Correct 1 ms 596 KB Output is correct
32 Correct 1 ms 596 KB Output is correct
33 Correct 842 ms 145664 KB Output is correct
34 Correct 861 ms 145756 KB Output is correct
35 Correct 917 ms 145928 KB Output is correct
36 Correct 863 ms 145968 KB Output is correct
37 Correct 872 ms 145776 KB Output is correct
38 Correct 904 ms 146040 KB Output is correct
39 Correct 916 ms 146032 KB Output is correct
40 Correct 865 ms 146280 KB Output is correct
41 Correct 843 ms 145672 KB Output is correct
42 Correct 862 ms 146100 KB Output is correct
43 Correct 862 ms 145704 KB Output is correct
44 Correct 853 ms 145908 KB Output is correct
45 Correct 904 ms 145800 KB Output is correct
46 Correct 870 ms 145864 KB Output is correct
47 Correct 866 ms 145680 KB Output is correct
48 Correct 880 ms 146024 KB Output is correct
49 Correct 814 ms 145564 KB Output is correct
50 Correct 896 ms 146048 KB Output is correct
51 Correct 904 ms 145552 KB Output is correct
52 Correct 810 ms 145708 KB Output is correct
53 Correct 828 ms 145808 KB Output is correct
54 Correct 814 ms 145628 KB Output is correct
55 Correct 803 ms 145584 KB Output is correct
56 Correct 824 ms 145356 KB Output is correct
57 Correct 839 ms 145864 KB Output is correct
58 Correct 820 ms 145584 KB Output is correct
59 Correct 871 ms 145800 KB Output is correct
60 Correct 817 ms 145516 KB Output is correct
61 Correct 845 ms 145720 KB Output is correct
62 Correct 842 ms 145564 KB Output is correct
63 Correct 779 ms 145304 KB Output is correct
64 Correct 880 ms 145324 KB Output is correct
65 Correct 877 ms 145672 KB Output is correct
66 Correct 833 ms 145460 KB Output is correct
67 Correct 888 ms 145476 KB Output is correct
68 Correct 901 ms 145300 KB Output is correct
69 Correct 952 ms 145564 KB Output is correct
70 Correct 860 ms 145528 KB Output is correct
71 Correct 823 ms 145440 KB Output is correct
72 Correct 837 ms 145420 KB Output is correct
73 Correct 846 ms 145564 KB Output is correct
74 Correct 864 ms 145488 KB Output is correct
75 Correct 861 ms 145440 KB Output is correct
76 Correct 875 ms 145612 KB Output is correct
77 Correct 907 ms 145556 KB Output is correct
78 Correct 916 ms 145856 KB Output is correct
79 Correct 937 ms 145632 KB Output is correct
80 Correct 976 ms 145604 KB Output is correct
81 Correct 906 ms 145460 KB Output is correct
82 Correct 892 ms 145584 KB Output is correct
83 Correct 873 ms 145596 KB Output is correct
84 Correct 904 ms 145456 KB Output is correct
85 Correct 940 ms 151136 KB Output is correct
86 Correct 878 ms 151156 KB Output is correct
87 Correct 871 ms 151472 KB Output is correct
88 Correct 889 ms 151344 KB Output is correct
89 Correct 870 ms 151132 KB Output is correct
90 Correct 865 ms 151320 KB Output is correct
91 Correct 861 ms 150980 KB Output is correct
92 Correct 852 ms 150884 KB Output is correct
93 Correct 844 ms 151088 KB Output is correct
94 Correct 906 ms 151552 KB Output is correct
95 Correct 877 ms 151496 KB Output is correct
96 Correct 948 ms 151272 KB Output is correct
97 Correct 882 ms 151212 KB Output is correct
98 Correct 889 ms 150656 KB Output is correct
99 Correct 916 ms 150828 KB Output is correct
100 Correct 908 ms 151092 KB Output is correct
101 Correct 902 ms 150768 KB Output is correct
102 Correct 995 ms 151216 KB Output is correct