oj.uz

Submission #542725

# Submission time Handle Problem Language Result Execution time Memory
542725 2022-03-27T17:54:09 Z skittles1412 Toll (BOI17_toll) C++17
100 / 100
 73 ms 30596 KB 
#include "bits/extc++.h"

using namespace std;

template <typename T>
void dbgh(const T& t) {
	cerr << t << endl;
}

template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
	cerr << t << " | ";
	dbgh(u...);
}

#ifdef DEBUG
#define dbg(...)                                           \
	cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]" \
		 << ": ";                                          \
	dbgh(__VA_ARGS__)
#else
#define cerr   \
	if (false) \
	cerr
#define dbg(...)
#endif

#define endl "\n"
#define long int64_t
#define sz(x) int((x).size())

using Mat = array<array<int, 5>, 5>;

Mat matinf() {
	Mat ans;
	for (auto& a : ans) {
		fill(begin(a), end(a), 1e9);
	}
	return ans;
}

Mat operator+(const Mat& x, const Mat& y) {
	Mat ans = matinf();
	for (int i = 0; i < 5; i++) {
		for (int j = 0; j < 5; j++) {
			for (int k = 0; k < 5; k++) {
				ans[i][k] = min(ans[i][k], x[i][j] + y[j][k]);
			}
		}
	}
	return ans;
}

struct ST {
	int n;
	vector<Mat> arr, v;

	ST(const vector<Mat>& arr) : n(sz(arr)), arr(arr), v(4 * n) {
		build(1, 0, n - 1);
	}

	void build(int o, int l, int r) {
		if (l == r) {
			v[o] = arr[l];
		} else {
			int mid = (l + r) / 2, lc = o * 2, rc = lc + 1;
			build(lc, l, mid);
			build(rc, mid + 1, r);
			v[o] = v[lc] + v[rc];
		}
	}

	Mat query(int o, int l, int r, int ql, int qr) const {
		if (ql <= l && r <= qr) {
			return v[o];
		} else {
			int mid = (l + r) / 2, lc = o * 2, rc = lc + 1;
			if (ql <= mid) {
				if (mid < qr) {
					return query(lc, l, mid, ql, qr) + query(rc, mid + 1, r, ql, qr);
				}
				return query(lc, l, mid, ql, qr);
			}
			return query(rc, mid + 1, r, ql, qr);
		}
	}

	Mat query(int l, int r) const {
		return query(1, 0, n - 1, l, r);
	}
};

void solve() {
	int k, n, m, q;
	cin >> k >> n >> m >> q;
	vector<Mat> arr(n / k + 1, matinf());
	for (int i = 0; i < m; i++) {
		int u, v, w;
		cin >> u >> v >> w;
		arr[u / k][u % k][v % k] = w;
	}
	ST st(arr);
	while (q--) {
		int u, v;
		cin >> u >> v;
		if (u / k >= v / k) {
			if (u == v) {
				cout << 0 << endl;
			} else {
				cout << -1 << endl;
			}
			continue;
		}
		Mat ans = st.query(u / k, v / k - 1);
		int cans = ans[u % k][v % k];
		if (cans < int(1e9)) {
			cout << cans << endl;
		} else {
			cout << -1 << endl;
		}
	}
}

int main() {
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	cin.exceptions(ios::failbit);
	solve();
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 30596 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 3 ms 924 KB Output is correct
6 Correct 3 ms 820 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 66 ms 30596 KB Output is correct
9 Correct 72 ms 30564 KB Output is correct
10 Correct 62 ms 29800 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 16588 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 11 ms 980 KB Output is correct
8 Correct 10 ms 732 KB Output is correct
9 Correct 59 ms 30564 KB Output is correct
10 Correct 63 ms 12428 KB Output is correct
11 Correct 56 ms 16700 KB Output is correct
12 Correct 44 ms 11400 KB Output is correct
13 Correct 46 ms 6256 KB Output is correct
14 Correct 33 ms 7628 KB Output is correct
15 Correct 29 ms 5072 KB Output is correct
16 Correct 25 ms 5068 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 852 KB Output is correct
7 Correct 2 ms 584 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 42 ms 30420 KB Output is correct
11 Correct 44 ms 16444 KB Output is correct
12 Correct 49 ms 12236 KB Output is correct
13 Correct 51 ms 12428 KB Output is correct
14 Correct 40 ms 11856 KB Output is correct
15 Correct 21 ms 5004 KB Output is correct
16 Correct 21 ms 5000 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 852 KB Output is correct
7 Correct 2 ms 584 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 42 ms 30420 KB Output is correct
11 Correct 44 ms 16444 KB Output is correct
12 Correct 49 ms 12236 KB Output is correct
13 Correct 51 ms 12428 KB Output is correct
14 Correct 40 ms 11856 KB Output is correct
15 Correct 21 ms 5004 KB Output is correct
16 Correct 21 ms 5000 KB Output is correct
17 Correct 49 ms 16576 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 324 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 6 ms 968 KB Output is correct
24 Correct 6 ms 652 KB Output is correct
25 Correct 4 ms 468 KB Output is correct
26 Correct 5 ms 468 KB Output is correct
27 Correct 44 ms 30516 KB Output is correct
28 Correct 50 ms 12308 KB Output is correct
29 Correct 56 ms 12560 KB Output is correct
30 Correct 40 ms 11988 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 30596 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 324 KB Output is correct
5 Correct 3 ms 924 KB Output is correct
6 Correct 3 ms 820 KB Output is correct
7 Correct 3 ms 852 KB Output is correct
8 Correct 66 ms 30596 KB Output is correct
9 Correct 72 ms 30564 KB Output is correct
10 Correct 62 ms 29800 KB Output is correct
11 Correct 53 ms 16588 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 11 ms 980 KB Output is correct
18 Correct 10 ms 732 KB Output is correct
19 Correct 59 ms 30564 KB Output is correct
20 Correct 63 ms 12428 KB Output is correct
21 Correct 56 ms 16700 KB Output is correct
22 Correct 44 ms 11400 KB Output is correct
23 Correct 46 ms 6256 KB Output is correct
24 Correct 33 ms 7628 KB Output is correct
25 Correct 29 ms 5072 KB Output is correct
26 Correct 25 ms 5068 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 324 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 2 ms 852 KB Output is correct
33 Correct 2 ms 584 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 42 ms 30420 KB Output is correct
37 Correct 44 ms 16444 KB Output is correct
38 Correct 49 ms 12236 KB Output is correct
39 Correct 51 ms 12428 KB Output is correct
40 Correct 40 ms 11856 KB Output is correct
41 Correct 21 ms 5004 KB Output is correct
42 Correct 21 ms 5000 KB Output is correct
43 Correct 49 ms 16576 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 324 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 6 ms 968 KB Output is correct
50 Correct 6 ms 652 KB Output is correct
51 Correct 4 ms 468 KB Output is correct
52 Correct 5 ms 468 KB Output is correct
53 Correct 44 ms 30516 KB Output is correct
54 Correct 50 ms 12308 KB Output is correct
55 Correct 56 ms 12560 KB Output is correct
56 Correct 40 ms 11988 KB Output is correct
57 Correct 73 ms 11000 KB Output is correct
58 Correct 61 ms 30532 KB Output is correct
59 Correct 56 ms 16716 KB Output is correct