#pragma GCC optimize("O3,Ofast,unroll-loops")
#include "bits/stdc++.h"
const int MOD = 1e9 + 7;
using namespace std;
#define all(x) x.begin(), x.end()
#define vi vector<int>
#define pb push_back
#define mp make_pair
#define ll long long
#define S second
#define F first
vector<ll> tree;
ll N;
void init(ll n) {
N = 1 << (ll)ceil(log2(n));
tree.resize(N * 2, 0);
}
void upd(ll id, ll val) {
id += N;
tree[id] = val;
while (id /= 2) {
tree[id] = tree[id * 2] + tree[id * 2 + 1];
}
}
ll query(ll id, ll l, ll r, ll s, ll e) {
if (s <= l && r <= e) return tree[id];
if (l > e || r < s) return 0;
ll m = (l + r) / 2;
return query(id * 2, l, m, s, e) + query(id * 2 + 1, m + 1, r, s, e);
}
void solve() {
ll n, q, k;
cin >> n >> q >> k;
ll val; init(n);
for (ll i = 0; i < n; i++) {
cin >> val;
upd(i, val);
}
while (q--) {
ll s, t, u;
cin >> s >> t >> u;
if (s == 1) upd(t - 1, u);
if (s == 3) cout << query(1, 0, N - 1, t - 1, u - 1) << endl;
}
}
int main() {
cin.tie(0)->sync_with_stdio(0);
int t = 1;
// cin >> t;
while (t--) solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
71 ms |
3668 KB |
Output is correct |
2 |
Correct |
65 ms |
3392 KB |
Output is correct |
3 |
Correct |
56 ms |
4436 KB |
Output is correct |
4 |
Correct |
65 ms |
4856 KB |
Output is correct |
5 |
Correct |
81 ms |
5316 KB |
Output is correct |
6 |
Correct |
79 ms |
5204 KB |
Output is correct |
7 |
Correct |
80 ms |
5204 KB |
Output is correct |
8 |
Correct |
91 ms |
5436 KB |
Output is correct |
9 |
Correct |
75 ms |
5204 KB |
Output is correct |
10 |
Correct |
76 ms |
5064 KB |
Output is correct |
11 |
Correct |
82 ms |
5456 KB |
Output is correct |
12 |
Correct |
75 ms |
5204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
27 ms |
860 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
53 ms |
3152 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |