#include<bits/stdc++.h>
using namespace std;
constexpr int maxn = 1e5+10;
struct SegmentTree
{
long long tree[4*maxn]; int k, a[maxn];
void build(int node, int i, int j) {
if(i == j) return (void)(tree[node] = a[i]);
int m = (i+j) >> 1;
build(2*node, i, m); build(2*node+1, m+1, j);
tree[node] = tree[2*node] + tree[2*node+1];
}
void upd(int node, int i, int j, int pos, int v) {
if(i == j) return (void)(tree[node] = v);
int m = (i+j) >> 1;
if(pos <= m) upd(2*node, i, m, pos, v);
else upd(2*node+1, m+1, j, pos, v);
tree[node] = tree[2*node] + tree[2*node+1];
}
void apply(int node, int i, int j, int l, int r) {
if(i > r || j < l || !tree[node]) return;
if(i == j) return (void)(tree[node] /= k);
int m = (i+j) >> 1;
apply(2*node, i, m, l, r);
apply(2*node+1, m+1, j, l, r);
tree[node] = tree[2*node] + tree[2*node+1];
}
long long query(int node, int i, int j, int l, int r) {
if(i > r || j < l) return 0ll;
if(i >= l && j <= r) return tree[node];
int m = (i+j) >> 1;
return query(2*node, i, m, l, r) + query(2*node+1, m+1, j, l, r);
}
} seg;
int main() {
int n, q, k; scanf("%d %d %d", &n, &q, &k); seg.k = k;
for(int i = 1; i <= n; i++)
scanf("%d", &seg.a[i]);
seg.build(1, 1, n);
while(q--) {
int s, a, b; scanf("%d %d %d", &s, &a, &b);
if(s == 1) seg.upd(1, 1, n, a, b);
if(s == 2 && k > 1) seg.apply(1, 1, n, a, b);
if(s == 3) printf("%lld\n", seg.query(1, 1, n, a, b));
}
}
Compilation message
sterilizing.cpp: In function 'int main()':
sterilizing.cpp:39:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
39 | int n, q, k; scanf("%d %d %d", &n, &q, &k); seg.k = k;
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
41 | scanf("%d", &seg.a[i]);
| ~~~~~^~~~~~~~~~~~~~~~~
sterilizing.cpp:44:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
44 | int s, a, b; scanf("%d %d %d", &s, &a, &b);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
4 ms |
364 KB |
Output is correct |
5 |
Correct |
4 ms |
492 KB |
Output is correct |
6 |
Correct |
3 ms |
492 KB |
Output is correct |
7 |
Correct |
4 ms |
640 KB |
Output is correct |
8 |
Correct |
4 ms |
492 KB |
Output is correct |
9 |
Correct |
4 ms |
492 KB |
Output is correct |
10 |
Correct |
4 ms |
492 KB |
Output is correct |
11 |
Correct |
4 ms |
492 KB |
Output is correct |
12 |
Correct |
4 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
59 ms |
3948 KB |
Output is correct |
2 |
Correct |
53 ms |
3692 KB |
Output is correct |
3 |
Correct |
48 ms |
4716 KB |
Output is correct |
4 |
Correct |
59 ms |
5228 KB |
Output is correct |
5 |
Correct |
74 ms |
5740 KB |
Output is correct |
6 |
Correct |
74 ms |
5740 KB |
Output is correct |
7 |
Correct |
71 ms |
5740 KB |
Output is correct |
8 |
Correct |
71 ms |
5740 KB |
Output is correct |
9 |
Correct |
67 ms |
5612 KB |
Output is correct |
10 |
Correct |
68 ms |
5612 KB |
Output is correct |
11 |
Correct |
67 ms |
5612 KB |
Output is correct |
12 |
Correct |
72 ms |
5516 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
1004 KB |
Output is correct |
2 |
Correct |
15 ms |
1772 KB |
Output is correct |
3 |
Correct |
20 ms |
1900 KB |
Output is correct |
4 |
Correct |
53 ms |
2156 KB |
Output is correct |
5 |
Correct |
68 ms |
4204 KB |
Output is correct |
6 |
Correct |
68 ms |
4204 KB |
Output is correct |
7 |
Correct |
65 ms |
4352 KB |
Output is correct |
8 |
Correct |
68 ms |
4204 KB |
Output is correct |
9 |
Correct |
67 ms |
4076 KB |
Output is correct |
10 |
Correct |
70 ms |
4076 KB |
Output is correct |
11 |
Correct |
68 ms |
4204 KB |
Output is correct |
12 |
Correct |
64 ms |
4076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
81 ms |
3308 KB |
Output is correct |
2 |
Correct |
90 ms |
3520 KB |
Output is correct |
3 |
Correct |
97 ms |
2924 KB |
Output is correct |
4 |
Correct |
111 ms |
3012 KB |
Output is correct |
5 |
Correct |
133 ms |
5484 KB |
Output is correct |
6 |
Correct |
156 ms |
5612 KB |
Output is correct |
7 |
Correct |
127 ms |
5612 KB |
Output is correct |
8 |
Correct |
171 ms |
5612 KB |
Output is correct |
9 |
Correct |
153 ms |
5484 KB |
Output is correct |
10 |
Correct |
170 ms |
5356 KB |
Output is correct |
11 |
Correct |
131 ms |
5356 KB |
Output is correct |
12 |
Correct |
224 ms |
5484 KB |
Output is correct |