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답안 #204035

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
204035 2020-02-24T01:18:41 Z savacska Fire (JOI20_ho_t5) C++14
20 / 100
 1000 ms 21112 KB 
#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define x first
#define y second

using namespace std;

typedef long long ll;

const int CS = 500;

struct My_queue
{
 	deque <pair <int, int> > qu;
 	void add(int x, int pos)
 	{
 	 	while (!qu.empty() && qu.back().x <= x) qu.pop_back();
 	 	qu.push_back(mp(x, pos));
 	 	return;
 	}
 	int get_max()
 	{
 	 	return qu[0].x;
 	}
 	void pop(int pos)
 	{
 	 	if (qu[0].y == pos) qu.pop_front();
 	 	return;
 	}
};

ll summa[200005], pref[200005], answer[200005];
int mas[200005], maxim[200005];
vector <pair <int, int> > zapr[200005];

int main()
{
 	//freopen("input.txt", "r", stdin);
 	//freopen("output.txt", "w", stdout);
 	ios_base::sync_with_stdio(0); cin.tie(0);

 	int n, quer;
 	cin >> n >> quer;
 	for (int i = 1; i <= n; i++) cin >> mas[i];
 	for (int i = 1; i <= quer; i++)
 	{
 	 	int tim, lef, rig;
 	 	cin >> tim >> lef >> rig;
 	 	zapr[rig].pb(mp(tim, i));
 	 	zapr[lef - 1].pb(mp(tim, -i));
 	}

 	for (int i = 1; i <= (n - 1) / CS + 1; i++)
 	{
 	 	int lef = (i - 1) * CS + 1, rig = min(n, i * CS);
 	 	for (int j = 0; j <= n; j++) summa[j] = 0;

 	   	int uk = lef, tekmax = mas[lef], cur = mas[lef - 1];
 	   	for (int j = lef - 1; j >= 1; j--)
 	   	{
 	   		cur = max(cur, mas[j]);
 	   		maxim[j] = cur;
 	   		while (uk <= rig && tekmax < cur)
 	   		{
 	   			uk++;
 	   			tekmax = max(tekmax, mas[uk]);
 	   		}
 	   		summa[lef - j] += (ll) cur, summa[uk - j] -= (ll) cur;
 	   	}
 	   	for (int j = 0; j >= lef - n; j--)
 	   	{
 	   	 	summa[lef - j] += (ll) cur;
 	   	 	summa[min(uk - j, n + 1)] -= (ll) cur;
 	   	}

 	   	uk = lef - 1, tekmax = mas[lef - 1], cur = mas[lef];
 	   	for (int j = lef; j <= rig; j++)
 	   	{
 	   	 	cur = max(cur, mas[j]);
 	   	 	maxim[j] = cur;
 	   	 	while (uk > 0 && tekmax <= cur)
 	   	 	{
 	   	 		uk--;
 	   	 		tekmax = max(tekmax, mas[uk]); 	
 	   	 	}
 	   	 	if (uk == 0) summa[j - uk] += (ll) cur, summa[n + 1] -= (ll) cur;
 	   	 	summa[j - lef + 1] += (ll) cur, summa[j - uk] -= (ll) cur;
 	   	}
 	   	for (int j = 1; j <= n; j++) summa[j] += summa[j - 1];
 	   	

 	   	for (int j = lef; j <= rig; j++)
 	   	{
 	   		int mx = mas[j];
 	   		for (int z = j; z <= rig; z++)
 	   		{
 	   		 	mx = max(mx, mas[z]);
 	   		 	summa[z - j] += (ll) mx;
 	   		}
 	   	}

 	   	for (int j = lef; j <= rig; j++)
 	   	{
 	   	 	for (int z = 0; z < (int) zapr[j].size(); z++)
 	   	 	{
 	   	 	 	int tim = zapr[j][z].x, num = zapr[j][z].y;
 	   	 	 	if (num > 0) answer[num] += pref[tim];
 	   	 	 	else answer[-num] -= pref[tim];

 	   	 	 	ll ans = 0;
 	   	 	 	if (tim <= CS)
 	   	 	 	{
 	   	 	 		My_queue S;
 	   	 	 		for (int k = max(lef - tim, 1); k < lef; k++) S.add(mas[k], k);
 	   	 	 		for (int k = lef; k <= j; k++)
 	   	 	 		{
 	   	 	 	 		S.add(mas[k], k);
 	   	 	 	 		ans += (ll) S.get_max();
 	   	 	 	 		S.pop(k - tim);
 	   	 	 		}
 	   	 	 	}
 	   	 	 	else
 	   	 	 	{
 	   	 	 	 	for (int k = lef; k <= j; k++) ans += (ll) max(maxim[k], maxim[max(k - tim, 1)]);
 	   	 	 	}
 	   	 	 	if (num > 0) answer[num] += ans;
 	   	 	 	else answer[-num] -= ans;
 	   	 	}
 	   	}

 	   	for (int j = 0; j <= n; j++) pref[j] += summa[j];
 	}

 	for (int i = 1; i <= quer; i++) cout << answer[i] << '\n';
 	return 0;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 8 ms 5112 KB Output is correct
3 Correct 9 ms 5112 KB Output is correct
4 Correct 8 ms 5112 KB Output is correct
5 Correct 8 ms 5112 KB Output is correct
6 Correct 8 ms 5112 KB Output is correct
7 Correct 9 ms 5112 KB Output is correct
8 Correct 8 ms 5112 KB Output is correct
9 Correct 8 ms 5112 KB Output is correct
10 Correct 9 ms 5112 KB Output is correct
11 Correct 9 ms 5112 KB Output is correct
12 Correct 9 ms 5112 KB Output is correct
13 Correct 8 ms 5112 KB Output is correct
14 Correct 8 ms 5112 KB Output is correct
15 Correct 8 ms 5112 KB Output is correct
16 Correct 9 ms 5112 KB Output is correct
17 Correct 9 ms 5112 KB Output is correct
18 Correct 8 ms 5112 KB Output is correct
19 Correct 8 ms 5112 KB Output is correct
20 Correct 8 ms 5112 KB Output is correct
21 Correct 8 ms 5112 KB Output is correct
22 Correct 8 ms 5112 KB Output is correct
23 Correct 8 ms 5112 KB Output is correct
24 Correct 8 ms 5112 KB Output is correct
25 Correct 9 ms 5116 KB Output is correct
26 Correct 9 ms 5112 KB Output is correct
27 Correct 9 ms 5112 KB Output is correct
28 Correct 8 ms 5112 KB Output is correct
29 Correct 8 ms 5112 KB Output is correct
30 Correct 9 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 9 ms 5112 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 923 ms 20684 KB Output is correct
3 Correct 934 ms 20600 KB Output is correct
4 Correct 926 ms 20956 KB Output is correct
5 Correct 942 ms 20760 KB Output is correct
6 Correct 935 ms 20620 KB Output is correct
7 Correct 950 ms 21112 KB Output is correct
8 Correct 945 ms 20912 KB Output is correct
9 Correct 946 ms 21084 KB Output is correct
10 Correct 913 ms 20856 KB Output is correct
11 Correct 945 ms 21016 KB Output is correct
12 Correct 911 ms 20456 KB Output is correct
13 Correct 923 ms 20728 KB Output is correct
14 Correct 934 ms 20688 KB Output is correct
15 Correct 964 ms 20804 KB Output is correct
16 Correct 925 ms 20728 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 926 ms 20116 KB Output is correct
3 Correct 910 ms 19912 KB Output is correct
4 Correct 940 ms 20264 KB Output is correct
5 Correct 913 ms 19748 KB Output is correct
6 Correct 927 ms 20128 KB Output is correct
7 Correct 928 ms 20024 KB Output is correct
8 Correct 934 ms 20176 KB Output is correct
9 Correct 885 ms 19956 KB Output is correct
10 Correct 893 ms 19840 KB Output is correct
11 Correct 946 ms 20152 KB Output is correct
12 Correct 942 ms 20012 KB Output is correct
13 Correct 943 ms 20388 KB Output is correct
14 Correct 903 ms 20088 KB Output is correct
15 Correct 926 ms 20092 KB Output is correct
16 Correct 932 ms 20088 KB Output is correct

Subtask #4
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 984 ms 18936 KB Output is correct
2 Correct 970 ms 19064 KB Output is correct
3 Correct 987 ms 19320 KB Output is correct
4 Correct 945 ms 19320 KB Output is correct
5 Correct 951 ms 19152 KB Output is correct
6 Correct 969 ms 18860 KB Output is correct
7 Correct 982 ms 19192 KB Output is correct
8 Correct 982 ms 19192 KB Output is correct
9 Correct 965 ms 19080 KB Output is correct
10 Correct 967 ms 19064 KB Output is correct
11 Correct 967 ms 19348 KB Output is correct
12 Correct 971 ms 19220 KB Output is correct
13 Correct 962 ms 19064 KB Output is correct
14 Correct 983 ms 19192 KB Output is correct

Subtask #5
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 8 ms 5112 KB Output is correct
3 Correct 9 ms 5112 KB Output is correct
4 Correct 8 ms 5112 KB Output is correct
5 Correct 8 ms 5112 KB Output is correct
6 Correct 8 ms 5112 KB Output is correct
7 Correct 9 ms 5112 KB Output is correct
8 Correct 8 ms 5112 KB Output is correct
9 Correct 8 ms 5112 KB Output is correct
10 Correct 9 ms 5112 KB Output is correct
11 Correct 9 ms 5112 KB Output is correct
12 Correct 9 ms 5112 KB Output is correct
13 Correct 8 ms 5112 KB Output is correct
14 Correct 8 ms 5112 KB Output is correct
15 Correct 8 ms 5112 KB Output is correct
16 Correct 9 ms 5112 KB Output is correct
17 Correct 9 ms 5112 KB Output is correct
18 Correct 8 ms 5112 KB Output is correct
19 Correct 8 ms 5112 KB Output is correct
20 Correct 8 ms 5112 KB Output is correct
21 Correct 8 ms 5112 KB Output is correct
22 Correct 8 ms 5112 KB Output is correct
23 Correct 8 ms 5112 KB Output is correct
24 Correct 8 ms 5112 KB Output is correct
25 Correct 9 ms 5116 KB Output is correct
26 Correct 9 ms 5112 KB Output is correct
27 Correct 9 ms 5112 KB Output is correct
28 Correct 8 ms 5112 KB Output is correct
29 Correct 8 ms 5112 KB Output is correct
30 Correct 9 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 9 ms 5112 KB Output is correct
33 Correct 934 ms 20860 KB Output is correct
34 Correct 965 ms 20984 KB Output is correct
35 Correct 956 ms 20856 KB Output is correct
36 Correct 945 ms 20904 KB Output is correct
37 Correct 915 ms 20728 KB Output is correct
38 Correct 940 ms 20856 KB Output is correct
39 Correct 927 ms 20856 KB Output is correct
40 Correct 936 ms 20916 KB Output is correct
41 Correct 958 ms 20828 KB Output is correct
42 Correct 953 ms 20856 KB Output is correct
43 Correct 948 ms 20984 KB Output is correct
44 Correct 951 ms 20856 KB Output is correct
45 Correct 919 ms 20728 KB Output is correct
46 Correct 975 ms 20728 KB Output is correct
47 Correct 927 ms 20600 KB Output is correct
48 Correct 906 ms 20604 KB Output is correct
49 Correct 921 ms 20728 KB Output is correct
50 Correct 948 ms 20984 KB Output is correct
51 Correct 949 ms 21000 KB Output is correct
52 Correct 921 ms 20896 KB Output is correct
53 Correct 916 ms 20856 KB Output is correct
54 Execution timed out 1004 ms 20600 KB Time limit exceeded
55 Halted 0 ms 0 KB -