답안 #210702

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
210702 2020-03-18T05:50:03 Z super_j6 Toll (BOI17_toll) C++14
100 / 100
151 ms 83580 KB
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

const int inf = 0x3f3f3f3f;
const int maxn = 50000, maxk = 5, w = 17;
int n, m, k, q;
int dp[maxk], dp2[maxk];
int st[w][maxn][maxk][maxk];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> k >> n >> m >> q;
	n = (n + k - 1) / k;
	
	memset(st, inf, sizeof(st));
	for(int i = 0; i < m; i++){
		int u, v;
		cin >> u >> v >> st[0][u / k][u % k][v % k];
	}
	
	for(int i = 1; i < w; i++)
	for(int j = 0; j + (1 << i) < n; j++)
	for(int f1 = 0; f1 < k; f1++)
	for(int f2 = 0; f2 < k; f2++)
	for(int f3 = 0; f3 < k; f3++){
		st[i][j][f1][f3] = min(st[i][j][f1][f3], st[i - 1][j][f1][f2] + st[i - 1][j + (1 << (i - 1))][f2][f3]);
	}
	
	for(int i = 0; i < q; i++){
		int u, v;
		cin >> u >> v;
		memset(dp, inf, sizeof(dp));
		dp[u % k] = 0;
		u /= k;
		for(int j = w - 1; j >= 0; j--){
			if(u + (1 << j) <= v / k){
				memset(dp2, inf, sizeof(dp2));
				for(int f1 = 0; f1 < k; f1++)
				for(int f2 = 0; f2 < k; f2++){
					dp2[f2] = min(dp2[f2], dp[f1] + st[j][u][f1][f2]);
				}
				u += (1 << j);
				memcpy(dp, dp2, sizeof(dp));
			}
		}
		cout << (dp[v % k] == inf ? -1 : dp[v % k]) << endl;
	}

	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 83576 KB Output is correct
2 Correct 47 ms 83576 KB Output is correct
3 Correct 46 ms 83544 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 47 ms 83448 KB Output is correct
6 Correct 47 ms 83448 KB Output is correct
7 Correct 47 ms 83448 KB Output is correct
8 Correct 82 ms 83576 KB Output is correct
9 Correct 83 ms 83576 KB Output is correct
10 Correct 63 ms 83540 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 95 ms 83576 KB Output is correct
2 Correct 47 ms 83576 KB Output is correct
3 Correct 46 ms 83448 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 45 ms 83448 KB Output is correct
6 Correct 47 ms 83448 KB Output is correct
7 Correct 52 ms 83576 KB Output is correct
8 Correct 50 ms 83576 KB Output is correct
9 Correct 79 ms 83576 KB Output is correct
10 Correct 103 ms 83576 KB Output is correct
11 Correct 88 ms 83580 KB Output is correct
12 Correct 85 ms 83560 KB Output is correct
13 Correct 102 ms 83576 KB Output is correct
14 Correct 79 ms 83576 KB Output is correct
15 Correct 85 ms 83580 KB Output is correct
16 Correct 84 ms 83576 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 83452 KB Output is correct
2 Correct 46 ms 83448 KB Output is correct
3 Correct 46 ms 83448 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 46 ms 83448 KB Output is correct
6 Correct 48 ms 83576 KB Output is correct
7 Correct 49 ms 83448 KB Output is correct
8 Correct 49 ms 83452 KB Output is correct
9 Correct 49 ms 83448 KB Output is correct
10 Correct 81 ms 83448 KB Output is correct
11 Correct 90 ms 83448 KB Output is correct
12 Correct 108 ms 83448 KB Output is correct
13 Correct 110 ms 83448 KB Output is correct
14 Correct 91 ms 83448 KB Output is correct
15 Correct 83 ms 83448 KB Output is correct
16 Correct 79 ms 83580 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 83452 KB Output is correct
2 Correct 46 ms 83448 KB Output is correct
3 Correct 46 ms 83448 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 46 ms 83448 KB Output is correct
6 Correct 48 ms 83576 KB Output is correct
7 Correct 49 ms 83448 KB Output is correct
8 Correct 49 ms 83452 KB Output is correct
9 Correct 49 ms 83448 KB Output is correct
10 Correct 81 ms 83448 KB Output is correct
11 Correct 90 ms 83448 KB Output is correct
12 Correct 108 ms 83448 KB Output is correct
13 Correct 110 ms 83448 KB Output is correct
14 Correct 91 ms 83448 KB Output is correct
15 Correct 83 ms 83448 KB Output is correct
16 Correct 79 ms 83580 KB Output is correct
17 Correct 93 ms 83576 KB Output is correct
18 Correct 48 ms 83452 KB Output is correct
19 Correct 47 ms 83448 KB Output is correct
20 Correct 48 ms 83448 KB Output is correct
21 Correct 50 ms 83448 KB Output is correct
22 Correct 47 ms 83448 KB Output is correct
23 Correct 50 ms 83448 KB Output is correct
24 Correct 52 ms 83576 KB Output is correct
25 Correct 54 ms 83576 KB Output is correct
26 Correct 52 ms 83576 KB Output is correct
27 Correct 78 ms 83448 KB Output is correct
28 Correct 103 ms 83576 KB Output is correct
29 Correct 110 ms 83576 KB Output is correct
30 Correct 103 ms 83580 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 81 ms 83576 KB Output is correct
2 Correct 47 ms 83576 KB Output is correct
3 Correct 46 ms 83544 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 47 ms 83448 KB Output is correct
6 Correct 47 ms 83448 KB Output is correct
7 Correct 47 ms 83448 KB Output is correct
8 Correct 82 ms 83576 KB Output is correct
9 Correct 83 ms 83576 KB Output is correct
10 Correct 63 ms 83540 KB Output is correct
11 Correct 95 ms 83576 KB Output is correct
12 Correct 47 ms 83576 KB Output is correct
13 Correct 46 ms 83448 KB Output is correct
14 Correct 46 ms 83448 KB Output is correct
15 Correct 45 ms 83448 KB Output is correct
16 Correct 47 ms 83448 KB Output is correct
17 Correct 52 ms 83576 KB Output is correct
18 Correct 50 ms 83576 KB Output is correct
19 Correct 79 ms 83576 KB Output is correct
20 Correct 103 ms 83576 KB Output is correct
21 Correct 88 ms 83580 KB Output is correct
22 Correct 85 ms 83560 KB Output is correct
23 Correct 102 ms 83576 KB Output is correct
24 Correct 79 ms 83576 KB Output is correct
25 Correct 85 ms 83580 KB Output is correct
26 Correct 84 ms 83576 KB Output is correct
27 Correct 45 ms 83452 KB Output is correct
28 Correct 46 ms 83448 KB Output is correct
29 Correct 46 ms 83448 KB Output is correct
30 Correct 46 ms 83448 KB Output is correct
31 Correct 46 ms 83448 KB Output is correct
32 Correct 48 ms 83576 KB Output is correct
33 Correct 49 ms 83448 KB Output is correct
34 Correct 49 ms 83452 KB Output is correct
35 Correct 49 ms 83448 KB Output is correct
36 Correct 81 ms 83448 KB Output is correct
37 Correct 90 ms 83448 KB Output is correct
38 Correct 108 ms 83448 KB Output is correct
39 Correct 110 ms 83448 KB Output is correct
40 Correct 91 ms 83448 KB Output is correct
41 Correct 83 ms 83448 KB Output is correct
42 Correct 79 ms 83580 KB Output is correct
43 Correct 93 ms 83576 KB Output is correct
44 Correct 48 ms 83452 KB Output is correct
45 Correct 47 ms 83448 KB Output is correct
46 Correct 48 ms 83448 KB Output is correct
47 Correct 50 ms 83448 KB Output is correct
48 Correct 47 ms 83448 KB Output is correct
49 Correct 50 ms 83448 KB Output is correct
50 Correct 52 ms 83576 KB Output is correct
51 Correct 54 ms 83576 KB Output is correct
52 Correct 52 ms 83576 KB Output is correct
53 Correct 78 ms 83448 KB Output is correct
54 Correct 103 ms 83576 KB Output is correct
55 Correct 110 ms 83576 KB Output is correct
56 Correct 103 ms 83580 KB Output is correct
57 Correct 151 ms 83576 KB Output is correct
58 Correct 92 ms 83576 KB Output is correct
59 Correct 97 ms 83556 KB Output is correct