1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
| #include <cstdio>
using namespace std;
using LL = long long;
const int N = 4097;
int n, m, a, b, c, d;
LL tree[N][N];
int lowbit(int x) {
return x & -x;
}
void add(int x, int y, int k) {
for (int i = x; i <= n; i += lowbit(i))
for (int j = y; j <= m; j += lowbit(j))
tree[i][j] += k;
}
LL getSum(int x, int y) {
LL s = 0;
for (int i = x; i > 0; i -= lowbit(i))
for (int j = y; j > 0; j -= lowbit(j))
s += tree[i][j];
return s;
}
int main() {
scanf("%d%d", &n, &m);
while (scanf("%d", &a) != EOF) {
if (a == 1) {
scanf("%d%d%d", &a, &b, &c);
add(a, b, c);
} else {
scanf("%d%d%d%d", &a, &b, &c, &d);
printf("%lld\n", getSum(c, d) - getSum(a - 1, d) - getSum(c, b - 1) + getSum(a - 1, b - 1));
}
}
return 0;
}
|