oj.uz

Submission #1115843

# Submission time Handle Problem Language Result Execution time Memory
1115843 2024-11-21T02:38:41 Z vjudge1 Toll (BOI17_toll) C++17
100 / 100
 268 ms 176744 KB 
#include <iostream>
using namespace std;
struct MATRIX {
	long long int a[5][5];
	MATRIX() {
		for (int i = 0; i < 5; i++) {
			for (int j = 0; j < 5; j++) {
				a[i][j] = 999999999;
			}
		}
	}
};
MATRIX f[50005][18];
MATRIX mul(MATRIX a, MATRIX b){
    MATRIX res;
    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++) {
            res.a[i][j] = 999999999;
            for (int k = 0; k < 5; k++) {
                res.a[i][j] = min(res.a[i][j], a.a[i][k] + b.a[k][j]);
            }
        }
    }
    return res;
}
int main() {
	int n, k, m, q;
    cin >> k >> n >> m >> q;
    for (int i = 1; i <= m; i++) {
    	int a, b, t;
    	cin >> a >> b >> t;
    	f[a / k][0].a[a % k][b % k] = t;
    }
    for (int i = 1; (1 << i) <= n; i++){
    	for (int j = 0; j + (1 << i) - 1 <= n; j++) {
    		f[j][i] = mul(f[j][i - 1], f[j + (1 << (i - 1))][i - 1]);
    	}
    }
    for (int jj = 0; jj < q; jj++) {
    	int a, b;
    	cin >> a >> b;
    	MATRIX s;
    	for (int j = 0; j < 5; j++) {
    		s.a[j][j] = 0;
    	}
    	if (a == b) {
    		cout << 0 << endl;
    		continue;
    	}
    	int h = a / k, g = b / k;
    	if (g <= h) {
    		cout << -1 << endl;
    	}
    	else {
    		int l = g - h;
    		for (int j = 16; j >= 0; j--) {
    			if (l & (1 << j)) {
    				s = mul(s, f[h][j]);
    				h += (1 << j);
    			}
    		}
    		if (s.a[a % k][b % k] == 999999999) cout << -1 << endl;
    		else cout << s.a[a % k][b % k] << endl;
    	}
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 176464 KB Output is correct
2 Correct 24 ms 176464 KB Output is correct
3 Correct 22 ms 176464 KB Output is correct
4 Correct 23 ms 176464 KB Output is correct
5 Correct 27 ms 176476 KB Output is correct
6 Correct 28 ms 176464 KB Output is correct
7 Correct 27 ms 176464 KB Output is correct
8 Correct 251 ms 176528 KB Output is correct
9 Correct 236 ms 176564 KB Output is correct
10 Correct 191 ms 176572 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 259 ms 176564 KB Output is correct
2 Correct 23 ms 176464 KB Output is correct
3 Correct 23 ms 176464 KB Output is correct
4 Correct 25 ms 176556 KB Output is correct
5 Correct 25 ms 176456 KB Output is correct
6 Correct 25 ms 176464 KB Output is correct
7 Correct 50 ms 176636 KB Output is correct
8 Correct 49 ms 176456 KB Output is correct
9 Correct 211 ms 176456 KB Output is correct
10 Correct 268 ms 176532 KB Output is correct
11 Correct 253 ms 176456 KB Output is correct
12 Correct 225 ms 176456 KB Output is correct
13 Correct 177 ms 176476 KB Output is correct
14 Correct 149 ms 176464 KB Output is correct
15 Correct 135 ms 176464 KB Output is correct
16 Correct 137 ms 176464 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 176464 KB Output is correct
2 Correct 24 ms 176468 KB Output is correct
3 Correct 23 ms 176464 KB Output is correct
4 Correct 25 ms 176456 KB Output is correct
5 Correct 23 ms 176464 KB Output is correct
6 Correct 26 ms 176564 KB Output is correct
7 Correct 29 ms 176480 KB Output is correct
8 Correct 27 ms 176528 KB Output is correct
9 Correct 27 ms 176464 KB Output is correct
10 Correct 173 ms 176544 KB Output is correct
11 Correct 197 ms 176672 KB Output is correct
12 Correct 226 ms 176464 KB Output is correct
13 Correct 227 ms 176456 KB Output is correct
14 Correct 209 ms 176568 KB Output is correct
15 Correct 140 ms 176504 KB Output is correct
16 Correct 130 ms 176352 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 176464 KB Output is correct
2 Correct 24 ms 176468 KB Output is correct
3 Correct 23 ms 176464 KB Output is correct
4 Correct 25 ms 176456 KB Output is correct
5 Correct 23 ms 176464 KB Output is correct
6 Correct 26 ms 176564 KB Output is correct
7 Correct 29 ms 176480 KB Output is correct
8 Correct 27 ms 176528 KB Output is correct
9 Correct 27 ms 176464 KB Output is correct
10 Correct 173 ms 176544 KB Output is correct
11 Correct 197 ms 176672 KB Output is correct
12 Correct 226 ms 176464 KB Output is correct
13 Correct 227 ms 176456 KB Output is correct
14 Correct 209 ms 176568 KB Output is correct
15 Correct 140 ms 176504 KB Output is correct
16 Correct 130 ms 176352 KB Output is correct
17 Correct 191 ms 176552 KB Output is correct
18 Correct 21 ms 176456 KB Output is correct
19 Correct 21 ms 176456 KB Output is correct
20 Correct 21 ms 176520 KB Output is correct
21 Correct 22 ms 176744 KB Output is correct
22 Correct 21 ms 176504 KB Output is correct
23 Correct 32 ms 176464 KB Output is correct
24 Correct 29 ms 176464 KB Output is correct
25 Correct 34 ms 176456 KB Output is correct
26 Correct 31 ms 176464 KB Output is correct
27 Correct 170 ms 176464 KB Output is correct
28 Correct 206 ms 176568 KB Output is correct
29 Correct 210 ms 176624 KB Output is correct
30 Correct 194 ms 176456 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 261 ms 176464 KB Output is correct
2 Correct 24 ms 176464 KB Output is correct
3 Correct 22 ms 176464 KB Output is correct
4 Correct 23 ms 176464 KB Output is correct
5 Correct 27 ms 176476 KB Output is correct
6 Correct 28 ms 176464 KB Output is correct
7 Correct 27 ms 176464 KB Output is correct
8 Correct 251 ms 176528 KB Output is correct
9 Correct 236 ms 176564 KB Output is correct
10 Correct 191 ms 176572 KB Output is correct
11 Correct 259 ms 176564 KB Output is correct
12 Correct 23 ms 176464 KB Output is correct
13 Correct 23 ms 176464 KB Output is correct
14 Correct 25 ms 176556 KB Output is correct
15 Correct 25 ms 176456 KB Output is correct
16 Correct 25 ms 176464 KB Output is correct
17 Correct 50 ms 176636 KB Output is correct
18 Correct 49 ms 176456 KB Output is correct
19 Correct 211 ms 176456 KB Output is correct
20 Correct 268 ms 176532 KB Output is correct
21 Correct 253 ms 176456 KB Output is correct
22 Correct 225 ms 176456 KB Output is correct
23 Correct 177 ms 176476 KB Output is correct
24 Correct 149 ms 176464 KB Output is correct
25 Correct 135 ms 176464 KB Output is correct
26 Correct 137 ms 176464 KB Output is correct
27 Correct 24 ms 176464 KB Output is correct
28 Correct 24 ms 176468 KB Output is correct
29 Correct 23 ms 176464 KB Output is correct
30 Correct 25 ms 176456 KB Output is correct
31 Correct 23 ms 176464 KB Output is correct
32 Correct 26 ms 176564 KB Output is correct
33 Correct 29 ms 176480 KB Output is correct
34 Correct 27 ms 176528 KB Output is correct
35 Correct 27 ms 176464 KB Output is correct
36 Correct 173 ms 176544 KB Output is correct
37 Correct 197 ms 176672 KB Output is correct
38 Correct 226 ms 176464 KB Output is correct
39 Correct 227 ms 176456 KB Output is correct
40 Correct 209 ms 176568 KB Output is correct
41 Correct 140 ms 176504 KB Output is correct
42 Correct 130 ms 176352 KB Output is correct
43 Correct 191 ms 176552 KB Output is correct
44 Correct 21 ms 176456 KB Output is correct
45 Correct 21 ms 176456 KB Output is correct
46 Correct 21 ms 176520 KB Output is correct
47 Correct 22 ms 176744 KB Output is correct
48 Correct 21 ms 176504 KB Output is correct
49 Correct 32 ms 176464 KB Output is correct
50 Correct 29 ms 176464 KB Output is correct
51 Correct 34 ms 176456 KB Output is correct
52 Correct 31 ms 176464 KB Output is correct
53 Correct 170 ms 176464 KB Output is correct
54 Correct 206 ms 176568 KB Output is correct
55 Correct 210 ms 176624 KB Output is correct
56 Correct 194 ms 176456 KB Output is correct
57 Correct 266 ms 176628 KB Output is correct
58 Correct 230 ms 176572 KB Output is correct
59 Correct 244 ms 176456 KB Output is correct