oj.uz

답안 #952985

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952985 2024-03-25T08:42:04 Z FaresSTH Sterilizing Spray (JOI15_sterilizing) C++17
0 / 100
 71 ms 1852 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); init(n);
    for (int i = 0; i < n; i++) {
        cin >> c[i];
        upd(i, c[i]);
    }

    while (q--) {
        int 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();
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 71 ms 1852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 26 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 52 ms 1760 KB Output isn't correct
2 Halted 0 ms 0 KB -