답안 #758159

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
758159	2023-06-14T08:26:52 Z	MetalPower	Toll (BOI17_toll)	C++14	100 / 100	87 ms	15948 KB

toll

#include <bits/stdc++.h>
using namespace std;

const int MK = 5;
const int MX = 5e4 + 10;
const int INF = 1e9 + 7;

int K, N, M, Q;

void chmin(int& a, int b){
	if(b < a) a = b;
}

struct matrix{
	int arr[MK][MK];

	void init(int t = INF){
		for(int i = 0; i < K; i++){
			for(int j = 0; j < K; j++) arr[i][j] = INF;
			arr[i][i] = t;
		}
	}

	matrix operator + (const matrix& other){
		matrix c; c.init();
		for(int i = 0; i < K; i++){
			for(int j = 0; j < K; j++){
				for(int k = 0; k < K; k++){
					chmin(c.arr[i][j], arr[i][k] + other.arr[k][j]);
				}
			}
		}
		return c;
	}
};

matrix A[MX];

struct segtree{
	matrix st[MX << 1];

	void build(){
		for(int i = MX; i < (MX << 1); i++) st[i] = A[i - MX];
		for(int i = MX - 1; i > 0; i--) st[i] = st[i << 1] + st[i << 1|1];
	}

	matrix que(int l, int r){
		matrix lf, rg; lf.init(0); rg.init(0);
		for(l += MX, r += MX + 1; l < r; l >>= 1, r >>= 1){
			if(l & 1) lf = lf + st[l], l++;
			if(r & 1) --r, rg = st[r] + rg;
		}
		lf = lf + rg;
		return lf;
	}
} S;

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> K >> N >> M >> Q;
	for(int i = 0; i < (N - 1) / K; i++) A[i].init();
	for(int i = 0; i < M; i++){
		int a, b, t; cin >> a >> b >> t;
		chmin(A[a / K].arr[a % K][b % K], t);
	}

	S.build();
	for(int i = 0; i < Q; i++){
		int a, b; cin >> a >> b;
		if(a / K == b / K){
			cout << -1 << '\n';
			continue;
		}
		matrix ans = S.que(a / K, b / K - 1);
		if(ans.arr[a % K][b % K] == INF) cout << -1 << '\n';
		else cout << ans.arr[a % K][b % K] << '\n';
	}
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	15948 KB	Output is correct
2	Correct	6 ms	10068 KB	Output is correct
3	Correct	6 ms	10068 KB	Output is correct
4	Correct	6 ms	10068 KB	Output is correct
5	Correct	6 ms	10196 KB	Output is correct
6	Correct	6 ms	10196 KB	Output is correct
7	Correct	6 ms	10196 KB	Output is correct
8	Correct	27 ms	15916 KB	Output is correct
9	Correct	35 ms	15824 KB	Output is correct
10	Correct	13 ms	15060 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	37 ms	14288 KB	Output is correct
2	Correct	6 ms	10068 KB	Output is correct
3	Correct	6 ms	10068 KB	Output is correct
4	Correct	7 ms	10068 KB	Output is correct
5	Correct	9 ms	10052 KB	Output is correct
6	Correct	14 ms	10068 KB	Output is correct
7	Correct	9 ms	10324 KB	Output is correct
8	Correct	11 ms	10300 KB	Output is correct
9	Correct	34 ms	15832 KB	Output is correct
10	Correct	59 ms	14032 KB	Output is correct
11	Correct	44 ms	14272 KB	Output is correct
12	Correct	40 ms	12952 KB	Output is correct
13	Correct	61 ms	13144 KB	Output is correct
14	Correct	38 ms	12476 KB	Output is correct
15	Correct	42 ms	11852 KB	Output is correct
16	Correct	45 ms	11876 KB	Output is correct

Subtask #3
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	10024 KB	Output is correct
2	Correct	7 ms	10068 KB	Output is correct
3	Correct	7 ms	10112 KB	Output is correct
4	Correct	9 ms	10060 KB	Output is correct
5	Correct	14 ms	10064 KB	Output is correct
6	Correct	7 ms	10196 KB	Output is correct
7	Correct	8 ms	10196 KB	Output is correct
8	Correct	13 ms	10196 KB	Output is correct
9	Correct	9 ms	10068 KB	Output is correct
10	Correct	22 ms	15736 KB	Output is correct
11	Correct	34 ms	14016 KB	Output is correct
12	Correct	48 ms	13844 KB	Output is correct
13	Correct	52 ms	14092 KB	Output is correct
14	Correct	41 ms	13528 KB	Output is correct
15	Correct	35 ms	11852 KB	Output is correct
16	Correct	32 ms	11852 KB	Output is correct

Subtask #4
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	10024 KB	Output is correct
2	Correct	7 ms	10068 KB	Output is correct
3	Correct	7 ms	10112 KB	Output is correct
4	Correct	9 ms	10060 KB	Output is correct
5	Correct	14 ms	10064 KB	Output is correct
6	Correct	7 ms	10196 KB	Output is correct
7	Correct	8 ms	10196 KB	Output is correct
8	Correct	13 ms	10196 KB	Output is correct
9	Correct	9 ms	10068 KB	Output is correct
10	Correct	22 ms	15736 KB	Output is correct
11	Correct	34 ms	14016 KB	Output is correct
12	Correct	48 ms	13844 KB	Output is correct
13	Correct	52 ms	14092 KB	Output is correct
14	Correct	41 ms	13528 KB	Output is correct
15	Correct	35 ms	11852 KB	Output is correct
16	Correct	32 ms	11852 KB	Output is correct
17	Correct	35 ms	14008 KB	Output is correct
18	Correct	6 ms	10068 KB	Output is correct
19	Correct	8 ms	10068 KB	Output is correct
20	Correct	7 ms	10068 KB	Output is correct
21	Correct	9 ms	10048 KB	Output is correct
22	Correct	12 ms	10068 KB	Output is correct
23	Correct	8 ms	10260 KB	Output is correct
24	Correct	8 ms	10156 KB	Output is correct
25	Correct	19 ms	10196 KB	Output is correct
26	Correct	13 ms	10196 KB	Output is correct
27	Correct	24 ms	15812 KB	Output is correct
28	Correct	49 ms	13964 KB	Output is correct
29	Correct	53 ms	14088 KB	Output is correct
30	Correct	59 ms	13580 KB	Output is correct

Subtask #5
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	15948 KB	Output is correct
2	Correct	6 ms	10068 KB	Output is correct
3	Correct	6 ms	10068 KB	Output is correct
4	Correct	6 ms	10068 KB	Output is correct
5	Correct	6 ms	10196 KB	Output is correct
6	Correct	6 ms	10196 KB	Output is correct
7	Correct	6 ms	10196 KB	Output is correct
8	Correct	27 ms	15916 KB	Output is correct
9	Correct	35 ms	15824 KB	Output is correct
10	Correct	13 ms	15060 KB	Output is correct
11	Correct	37 ms	14288 KB	Output is correct
12	Correct	6 ms	10068 KB	Output is correct
13	Correct	6 ms	10068 KB	Output is correct
14	Correct	7 ms	10068 KB	Output is correct
15	Correct	9 ms	10052 KB	Output is correct
16	Correct	14 ms	10068 KB	Output is correct
17	Correct	9 ms	10324 KB	Output is correct
18	Correct	11 ms	10300 KB	Output is correct
19	Correct	34 ms	15832 KB	Output is correct
20	Correct	59 ms	14032 KB	Output is correct
21	Correct	44 ms	14272 KB	Output is correct
22	Correct	40 ms	12952 KB	Output is correct
23	Correct	61 ms	13144 KB	Output is correct
24	Correct	38 ms	12476 KB	Output is correct
25	Correct	42 ms	11852 KB	Output is correct
26	Correct	45 ms	11876 KB	Output is correct
27	Correct	6 ms	10024 KB	Output is correct
28	Correct	7 ms	10068 KB	Output is correct
29	Correct	7 ms	10112 KB	Output is correct
30	Correct	9 ms	10060 KB	Output is correct
31	Correct	14 ms	10064 KB	Output is correct
32	Correct	7 ms	10196 KB	Output is correct
33	Correct	8 ms	10196 KB	Output is correct
34	Correct	13 ms	10196 KB	Output is correct
35	Correct	9 ms	10068 KB	Output is correct
36	Correct	22 ms	15736 KB	Output is correct
37	Correct	34 ms	14016 KB	Output is correct
38	Correct	48 ms	13844 KB	Output is correct
39	Correct	52 ms	14092 KB	Output is correct
40	Correct	41 ms	13528 KB	Output is correct
41	Correct	35 ms	11852 KB	Output is correct
42	Correct	32 ms	11852 KB	Output is correct
43	Correct	35 ms	14008 KB	Output is correct
44	Correct	6 ms	10068 KB	Output is correct
45	Correct	8 ms	10068 KB	Output is correct
46	Correct	7 ms	10068 KB	Output is correct
47	Correct	9 ms	10048 KB	Output is correct
48	Correct	12 ms	10068 KB	Output is correct
49	Correct	8 ms	10260 KB	Output is correct
50	Correct	8 ms	10156 KB	Output is correct
51	Correct	19 ms	10196 KB	Output is correct
52	Correct	13 ms	10196 KB	Output is correct
53	Correct	24 ms	15812 KB	Output is correct
54	Correct	49 ms	13964 KB	Output is correct
55	Correct	53 ms	14088 KB	Output is correct
56	Correct	59 ms	13580 KB	Output is correct
57	Correct	87 ms	14592 KB	Output is correct
58	Correct	27 ms	15912 KB	Output is correct
59	Correct	41 ms	14264 KB	Output is correct

답안 #758159

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 10.0 / 10.0

Subtask #3 8.0 / 8.0

Subtask #4 31.0 / 31.0

Subtask #5 44.0 / 44.0

Subtask #1
7.0 / 7.0

Subtask #2
10.0 / 10.0

Subtask #3
8.0 / 8.0

Subtask #4
31.0 / 31.0

Subtask #5
44.0 / 44.0