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답안 #204042

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
204042 2020-02-24T01:39:14 Z savacska Fire (JOI20_ho_t5) C++14
8 / 100
 1000 ms 21104 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 = 550;

ll summa[200005], pref[200005], answer[200005], smallsum[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;
 	 	for (int j = 0; j <= CS; j++) smallsum[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++)
 	   	{
 	   	 	int mx = mas[j];
 	   	 	for (int z = j; z >= lef; z--)
 	   	 	{
 	   	 	 	mx = max(mx, mas[z]);
 	   	 	 	smallsum[j - z] += (ll) mx;
 	   	 	}
 	   	 	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)
 	   	 	 	{
 	   	 	 		for (int k = lef; k <= min (j, lef + tim - 1); k++) ans += (ll) max(maxim[k], maxim[max(k - tim, 1)]);
 	   	 	 		if (j - tim >= lef) ans += smallsum[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 8 ms 5112 KB Output is correct
2 Correct 8 ms 5116 KB Output is correct
3 Correct 8 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 8 ms 5116 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 8 ms 5112 KB Output is correct
10 Correct 8 ms 5112 KB Output is correct
11 Correct 8 ms 5112 KB Output is correct
12 Correct 7 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 8 ms 5112 KB Output is correct
17 Correct 8 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 5160 KB Output is correct
22 Correct 8 ms 5112 KB Output is correct
23 Correct 7 ms 5112 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 9 ms 5112 KB Output is correct
26 Correct 7 ms 5112 KB Output is correct
27 Correct 8 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 7 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 8 ms 5112 KB Output is correct

Subtask #2
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 5112 KB Output is correct
2 Correct 978 ms 20640 KB Output is correct
3 Correct 977 ms 20728 KB Output is correct
4 Correct 979 ms 21040 KB Output is correct
5 Execution timed out 1004 ms 20856 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 5112 KB Output is correct
2 Correct 956 ms 20216 KB Output is correct
3 Correct 929 ms 20012 KB Output is correct
4 Correct 975 ms 20492 KB Output is correct
5 Correct 943 ms 19960 KB Output is correct
6 Correct 950 ms 20088 KB Output is correct
7 Correct 962 ms 19920 KB Output is correct
8 Correct 952 ms 20216 KB Output is correct
9 Correct 933 ms 20052 KB Output is correct
10 Correct 940 ms 19832 KB Output is correct
11 Correct 982 ms 20216 KB Output is correct
12 Correct 964 ms 19936 KB Output is correct
13 Correct 968 ms 20496 KB Output is correct
14 Correct 931 ms 19968 KB Output is correct
15 Correct 960 ms 20088 KB Output is correct
16 Correct 957 ms 19832 KB Output is correct

Subtask #4
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 991 ms 18936 KB Output is correct
2 Execution timed out 1006 ms 19000 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 5112 KB Output is correct
2 Correct 8 ms 5116 KB Output is correct
3 Correct 8 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 8 ms 5116 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 8 ms 5112 KB Output is correct
10 Correct 8 ms 5112 KB Output is correct
11 Correct 8 ms 5112 KB Output is correct
12 Correct 7 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 8 ms 5112 KB Output is correct
17 Correct 8 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 5160 KB Output is correct
22 Correct 8 ms 5112 KB Output is correct
23 Correct 7 ms 5112 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 9 ms 5112 KB Output is correct
26 Correct 7 ms 5112 KB Output is correct
27 Correct 8 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 7 ms 5112 KB Output is correct
31 Correct 8 ms 5112 KB Output is correct
32 Correct 8 ms 5112 KB Output is correct
33 Correct 1000 ms 20984 KB Output is correct
34 Correct 999 ms 21104 KB Output is correct
35 Execution timed out 1010 ms 20984 KB Time limit exceeded
36 Halted 0 ms 0 KB -