oj.uz

Submission #403493

# Submission time Handle Problem Language Result Execution time Memory
403493 2021-05-13T08:42:20 Z Drew_ Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 200 ms 11536 KB 
#include <iostream>
using namespace std;

#define ll long long

const int MAX = 2e5 + 7;

ll bit[MAX];
inline void add(int x, ll val)
{
	for (int i = x; i < MAX; i += (i & -i))
		bit[i] += val;
}

inline ll sum(int x)
{
	ll res = 0;
	for (int i = x; i > 0; i -= (i & -i))
		res += bit[i];
	return res;
}

ll n, q, s, t, val = 0;
inline void in(int i)
{
	ll x = sum(i) - sum(i-1);
	if (x >= 0) val -= s*x;
	else val -= t*x;
}

inline void out(int i)
{
	ll x = sum(i) - sum(i-1);
	if (x >= 0) val += s*x;
	else val += t*x;
}


int main()
{
	ios :: sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	cin >> n >> q >> s >> t;
	for (int i = 0; i <= n; ++i)
	{
		ll x; cin >> x;
		if (i)
		{
			add(i, x - sum(i-1));
			in(i);
		}
	}

	while (q--)
	{
		int l, r, k;
		cin >> l >> r >> k;
	
		out(l); if (r < n) out(r+1);
		add(l, k);
		add(r+1, -k);
		in(l); if (r < n) in(r+1);

		cout << val << '\n';
	}

	return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 412 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 3 ms 332 KB Output is correct
12 Correct 3 ms 332 KB Output is correct
13 Correct 3 ms 332 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 2 ms 412 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 176 ms 8652 KB Output is correct
2 Correct 181 ms 9416 KB Output is correct
3 Correct 176 ms 9812 KB Output is correct
4 Correct 169 ms 9236 KB Output is correct
5 Correct 167 ms 10476 KB Output is correct
6 Correct 137 ms 9440 KB Output is correct
7 Correct 131 ms 9524 KB Output is correct
8 Correct 161 ms 10244 KB Output is correct
9 Correct 171 ms 10564 KB Output is correct
10 Correct 159 ms 9336 KB Output is correct
11 Correct 141 ms 9380 KB Output is correct
12 Correct 130 ms 10052 KB Output is correct
13 Correct 126 ms 10324 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 360 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 3 ms 332 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 412 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 3 ms 332 KB Output is correct
12 Correct 3 ms 332 KB Output is correct
13 Correct 3 ms 332 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 2 ms 412 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 2 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 176 ms 8652 KB Output is correct
23 Correct 181 ms 9416 KB Output is correct
24 Correct 176 ms 9812 KB Output is correct
25 Correct 169 ms 9236 KB Output is correct
26 Correct 167 ms 10476 KB Output is correct
27 Correct 137 ms 9440 KB Output is correct
28 Correct 131 ms 9524 KB Output is correct
29 Correct 161 ms 10244 KB Output is correct
30 Correct 171 ms 10564 KB Output is correct
31 Correct 159 ms 9336 KB Output is correct
32 Correct 141 ms 9380 KB Output is correct
33 Correct 130 ms 10052 KB Output is correct
34 Correct 126 ms 10324 KB Output is correct
35 Correct 167 ms 8864 KB Output is correct
36 Correct 178 ms 10244 KB Output is correct
37 Correct 178 ms 11172 KB Output is correct
38 Correct 187 ms 10832 KB Output is correct
39 Correct 176 ms 10868 KB Output is correct
40 Correct 200 ms 10792 KB Output is correct
41 Correct 174 ms 10820 KB Output is correct
42 Correct 173 ms 10716 KB Output is correct
43 Correct 175 ms 10004 KB Output is correct
44 Correct 178 ms 10548 KB Output is correct
45 Correct 173 ms 10544 KB Output is correct
46 Correct 176 ms 11536 KB Output is correct
47 Correct 144 ms 10048 KB Output is correct
48 Correct 151 ms 10040 KB Output is correct
49 Correct 167 ms 9156 KB Output is correct
50 Correct 145 ms 9924 KB Output is correct
51 Correct 130 ms 10428 KB Output is correct
52 Correct 134 ms 10032 KB Output is correct