#include <bits/stdc++.h>
#define FOR(i, u, v) for (int i = u; i <= v; i++)
#define ll long long
#define mid (r + l)/2
#define N 100005
using namespace std;
int n, numQuery, k;
struct IntervalTree
{
ll t[N << 2];
int mx[N << 2];
void update(int l, int r, int id, int x, int val)
{
if (l == r)
{
t[id] = mx[id] = val;
return;
}
if (x <= mid) update(l, mid, id*2, x, val);
else update(mid+1, r, id*2+1, x, val);
t[id] = t[id*2] + t[id*2+1];
mx[id] = max(mx[id*2], mx[id*2+1]);
}
void divide(int l, int r, int id, int x, int y)
{
if (l > y || r < x) return;
if (l >= x && r <= y)
{
if (mx[id] == 0) return;
if (l == r)
{
t[id] = mx[id] = t[id]/k;
return;
}
}
divide(l, mid, id*2, x, y);
divide(mid+1, r, id*2+1, x, y);
t[id] = t[id*2] + t[id*2+1];
mx[id] = max(mx[id*2], mx[id*2+1]);
}
ll get(int l, int r, int id, int x, int y)
{
if (l > y || r < x) return 0;
if (l >= x && r <= y) return t[id];
ll a = get(l, mid, id*2, x, y);
ll b = get(mid+1, r, id*2+1, x, y);
return a + b;
}
}t;
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//freopen("INP.TXT", "r", stdin);
cin >> n >> numQuery >> k;
FOR(i, 1, n)
{
int x; cin >> x;
t.update(1, n, 1, i, x);
}
while (numQuery--)
{
int type, x, y; cin >> type >> x >> y;
if (type == 1)
t.update(1, n, 1, x, y);
else if (type == 2 && k > 1)
t.divide(1, n, 1, x, y);
else if (type == 3)
cout <<t.get(1, n, 1, x, y)<<'\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
676 KB |
Output is correct |
3 |
Correct |
3 ms |
676 KB |
Output is correct |
4 |
Correct |
6 ms |
804 KB |
Output is correct |
5 |
Correct |
7 ms |
920 KB |
Output is correct |
6 |
Correct |
10 ms |
1004 KB |
Output is correct |
7 |
Correct |
10 ms |
1112 KB |
Output is correct |
8 |
Correct |
7 ms |
1180 KB |
Output is correct |
9 |
Correct |
8 ms |
1268 KB |
Output is correct |
10 |
Correct |
7 ms |
1340 KB |
Output is correct |
11 |
Correct |
8 ms |
1404 KB |
Output is correct |
12 |
Correct |
8 ms |
1528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
84 ms |
5372 KB |
Output is correct |
2 |
Correct |
83 ms |
7064 KB |
Output is correct |
3 |
Correct |
67 ms |
9984 KB |
Output is correct |
4 |
Correct |
88 ms |
12236 KB |
Output is correct |
5 |
Correct |
147 ms |
14792 KB |
Output is correct |
6 |
Correct |
96 ms |
17244 KB |
Output is correct |
7 |
Correct |
101 ms |
19624 KB |
Output is correct |
8 |
Correct |
94 ms |
22160 KB |
Output is correct |
9 |
Correct |
84 ms |
24356 KB |
Output is correct |
10 |
Correct |
91 ms |
26868 KB |
Output is correct |
11 |
Correct |
90 ms |
29084 KB |
Output is correct |
12 |
Correct |
89 ms |
31500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
31 ms |
31500 KB |
Output is correct |
2 |
Correct |
28 ms |
31500 KB |
Output is correct |
3 |
Correct |
33 ms |
31500 KB |
Output is correct |
4 |
Correct |
80 ms |
31500 KB |
Output is correct |
5 |
Correct |
117 ms |
34648 KB |
Output is correct |
6 |
Correct |
115 ms |
36236 KB |
Output is correct |
7 |
Correct |
85 ms |
37784 KB |
Output is correct |
8 |
Correct |
113 ms |
38940 KB |
Output is correct |
9 |
Correct |
100 ms |
40236 KB |
Output is correct |
10 |
Correct |
122 ms |
41508 KB |
Output is correct |
11 |
Correct |
98 ms |
42848 KB |
Output is correct |
12 |
Correct |
99 ms |
44052 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
114 ms |
44300 KB |
Output is correct |
2 |
Correct |
134 ms |
46204 KB |
Output is correct |
3 |
Correct |
150 ms |
47076 KB |
Output is correct |
4 |
Correct |
150 ms |
48176 KB |
Output is correct |
5 |
Correct |
202 ms |
52956 KB |
Output is correct |
6 |
Correct |
220 ms |
55412 KB |
Output is correct |
7 |
Correct |
185 ms |
57904 KB |
Output is correct |
8 |
Correct |
249 ms |
60312 KB |
Output is correct |
9 |
Correct |
219 ms |
62784 KB |
Output is correct |
10 |
Correct |
228 ms |
65264 KB |
Output is correct |
11 |
Correct |
193 ms |
67268 KB |
Output is correct |
12 |
Correct |
310 ms |
69684 KB |
Output is correct |