oj.uz

Submission #412410

# Submission time Handle Problem Language Result Execution time Memory
412410 2021-05-26T20:23:34 Z aryan12 Sterilizing Spray (JOI15_sterilizing) C++17
10 / 100
 78 ms 3724 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 1e5 + 5;
int seg[N * 4];
int a[N], n, q, k;

void Build(int l, int r, int pos) {
	if(l == r) {
		seg[pos] = a[l];
		return;
	}
	int mid = (l + r) >> 1;
	Build(l, mid, pos * 2);
	Build(mid + 1, r, pos * 2 + 1);
	seg[pos] = seg[pos * 2] + seg[pos * 2 + 1];
}

void Update(int l, int r, int pos, int qidx, int qval) {
	if(l == r) {
		seg[pos] = qval;
		return;
	}
	int mid = (l + r) >> 1;
	if(mid >= qidx) {
		Update(l, mid, pos * 2, qidx, qval);
	}
	else {
		Update(mid + 1, r, pos * 2 + 1, qidx, qval);
	}
	seg[pos] = seg[pos * 2] + seg[pos * 2 + 1];
}

void Spray(int l, int r, int pos, int ql, int qr) {
	if(l > qr || ql > r)
		return;
	if(l == r) {
		seg[pos] /= k;
		return;
	}
	int mid = (l + r) >> 1;
	Spray(l, mid, pos * 2, ql, qr);
	Spray(mid + 1, r, pos * 2 + 1, ql, qr);
	seg[pos] = seg[pos * 2] + seg[pos * 2 + 1];
}

int Query(int l, int r, int pos, int ql, int qr) {
	if(l > qr || ql > r)
		return 0;
	if(ql <= l && r <= qr) {
		return seg[pos];
	}
	int mid = (l + r) >> 1;
	return Query(l, mid, pos * 2, ql, qr) + Query(mid + 1, r, pos * 2 + 1, ql, qr);
}

void Solve() {
	cin >> n >> q >> k;
	assert(k == 1);
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	Build(1, n, 1);
	for(int i = 1; i <= q; i++) {
		int command;
		cin >> command;
		if(command == 1) {
			int idx, val;
			cin >> idx >> val;
			Update(1, n, 1, idx, val);
		}
		else if(command == 2) {
			int ql, qr;
			cin >> ql >> qr;
			if(k != 1) {
				Spray(1, n, 1, ql, qr);
			}
		}
		else {
			int ql, qr;
			cin >> ql >> qr;
			cout << Query(1, n, 1, ql, qr) << "\n";
		}
	}
}

int32_t main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	Solve();
	return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 2060 KB Output is correct
2 Correct 51 ms 2044 KB Output is correct
3 Correct 42 ms 3148 KB Output is correct
4 Correct 53 ms 3396 KB Output is correct
5 Correct 65 ms 3544 KB Output is correct
6 Correct 67 ms 3532 KB Output is correct
7 Correct 78 ms 3524 KB Output is correct
8 Correct 65 ms 3652 KB Output is correct
9 Correct 64 ms 3560 KB Output is correct
10 Correct 62 ms 3580 KB Output is correct
11 Correct 64 ms 3724 KB Output is correct
12 Correct 62 ms 3632 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -