oj.uz

Submission #952984

# Submission time Handle Problem Language Result Execution time Memory
952984 2024-03-25T08:40:29 Z FaresSTH Sterilizing Spray (JOI15_sterilizing) C++17
0 / 100
 73 ms 3264 KB 
#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];
    }
}

int 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;
    int m = (l + r) / 2;
    return query(id * 2, l, m, s, e) + query(id * 2 + 1, m + 1, r, s, e);
}

void solve() {
    int n, q, k;
    cin >> n >> q >> k;
    vi c(n + 1); init(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> c[i];
        upd(i, c[i]);
    }

    while (q--) {
        int s, t, u;
        cin >> s >> t >> u;
        if (s == 1) {
            c[t] = u;
            upd(t, u);
        }
        if (s == 3) cout << query(1, 0, N - 1, t, u) << endl;
    }
}

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
    // cin >> t;
    while (t--) solve();
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 73 ms 3264 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 1104 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 54 ms 3152 KB Output isn't correct
2 Halted 0 ms 0 KB -