oj.uz

Submission #696781

# Submission time Handle Problem Language Result Execution time Memory
696781 2023-02-07T08:56:29 Z Futorankusu Toll (BOI17_toll) C++14
100 / 100
 410 ms 179760 KB 
// #pragma gcc optimize("Ofast")
// #pragma GCC optimization("Ofast")
// #pragma optimize(Ofast)
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")

/**
 *    author:  tpa1410 - futorankusu
 *    rose, hanni, minji     
**/

#include<bits/stdc++.h>

using namespace std;

#define ll long long
typedef pair<ll, ll> pii;
#define rose() ios_base::sync_with_stdio(NULL); cin.tie(nullptr); cout.tie(nullptr);
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define gcd __gcd
#define getl(s) getline(cin, s);
#define setpre(x) fixed << setprecision(x)
#define mset(a) memset(a, 0, sizeof(a))
#define endl '\n'



const ll hanni = 1e4, minji = 1e9;

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] = minji;
			}
		}
	}
};

Matrix mul(Matrix a, Matrix b){
    Matrix c;
    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++) {
            c.a[i][j] = minji;
            for (int k = 0; k < 5; k++) {
                c.a[i][j] = min(c.a[i][j], a.a[i][k] + b.a[k][j]);
            }
        }
    }
    return c;
}

Matrix up[50005][18];
signed main(){
	int k, n, m, o;
    cin >> k >> n >> m >> o;
    for(int i=1; i<=m; i++) {
    	int u, v, w;
    	cin >> u >> v >> w;
//     	up[j][i]: tầng thứ 2^i bên cạnh tầng j
    	up[u/k][0].a[u%k][v%k] = w;
//     	a[x][y]: x là vị trí của đỉnh u trong tầng u nằm, y tương tự là của v
    }
    for(int i=1; (1 << i) <= n; i++){
    	for(int j=0; j + (1 << i) - 1 <= n; j++){
    		up[j][i] = mul(up[j][i-1], up[j+(1<<(i-1))][i-1]);
    	}
    }
    for(int i = 0; i<o; i++){
    	int a, b;
    	cin >> a >> b;
    	Matrix res;
    	for(int j = 0; j < 5; j++){
    		res.a[j][j] = 0;
    	}
    	if(a == b){
    		cout << 0 << endl;
    		continue;
    	}
    	int div1 = a / k, div2 = b / k;
    	int dist = div2 - div1;
    	for(int j = 16; j >= 0; j--){
    		if(dist & (1 << j)){
    			res = mul(res, up[div1][j]);
    			div1 += (1 << j);
    		}
    	}
    	if(res.a[a % k][b % k] == minji) cout << -1 << endl;
    	else cout << res.a[a % k][b % k] << endl;
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 304 ms 176420 KB Output is correct
2 Correct 70 ms 176348 KB Output is correct
3 Correct 74 ms 176372 KB Output is correct
4 Correct 74 ms 176332 KB Output is correct
5 Correct 79 ms 176372 KB Output is correct
6 Correct 75 ms 176424 KB Output is correct
7 Correct 82 ms 176336 KB Output is correct
8 Correct 306 ms 176416 KB Output is correct
9 Correct 301 ms 176420 KB Output is correct
10 Correct 287 ms 176344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 330 ms 176576 KB Output is correct
2 Correct 72 ms 176376 KB Output is correct
3 Correct 72 ms 176376 KB Output is correct
4 Correct 73 ms 176420 KB Output is correct
5 Correct 70 ms 176348 KB Output is correct
6 Correct 75 ms 176312 KB Output is correct
7 Correct 95 ms 176408 KB Output is correct
8 Correct 103 ms 176628 KB Output is correct
9 Correct 346 ms 177300 KB Output is correct
10 Correct 361 ms 178788 KB Output is correct
11 Correct 329 ms 178208 KB Output is correct
12 Correct 319 ms 177752 KB Output is correct
13 Correct 291 ms 178836 KB Output is correct
14 Correct 241 ms 177980 KB Output is correct
15 Correct 250 ms 177636 KB Output is correct
16 Correct 243 ms 177528 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 176396 KB Output is correct
2 Correct 76 ms 176384 KB Output is correct
3 Correct 71 ms 176372 KB Output is correct
4 Correct 72 ms 176332 KB Output is correct
5 Correct 74 ms 176320 KB Output is correct
6 Correct 73 ms 176496 KB Output is correct
7 Correct 77 ms 176408 KB Output is correct
8 Correct 81 ms 176464 KB Output is correct
9 Correct 75 ms 176452 KB Output is correct
10 Correct 264 ms 177228 KB Output is correct
11 Correct 307 ms 178000 KB Output is correct
12 Correct 319 ms 178496 KB Output is correct
13 Correct 380 ms 178728 KB Output is correct
14 Correct 300 ms 178208 KB Output is correct
15 Correct 216 ms 177616 KB Output is correct
16 Correct 211 ms 177700 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 176396 KB Output is correct
2 Correct 76 ms 176384 KB Output is correct
3 Correct 71 ms 176372 KB Output is correct
4 Correct 72 ms 176332 KB Output is correct
5 Correct 74 ms 176320 KB Output is correct
6 Correct 73 ms 176496 KB Output is correct
7 Correct 77 ms 176408 KB Output is correct
8 Correct 81 ms 176464 KB Output is correct
9 Correct 75 ms 176452 KB Output is correct
10 Correct 264 ms 177228 KB Output is correct
11 Correct 307 ms 178000 KB Output is correct
12 Correct 319 ms 178496 KB Output is correct
13 Correct 380 ms 178728 KB Output is correct
14 Correct 300 ms 178208 KB Output is correct
15 Correct 216 ms 177616 KB Output is correct
16 Correct 211 ms 177700 KB Output is correct
17 Correct 316 ms 177980 KB Output is correct
18 Correct 70 ms 176332 KB Output is correct
19 Correct 69 ms 176336 KB Output is correct
20 Correct 71 ms 176412 KB Output is correct
21 Correct 70 ms 176324 KB Output is correct
22 Correct 77 ms 176332 KB Output is correct
23 Correct 79 ms 176360 KB Output is correct
24 Correct 82 ms 176460 KB Output is correct
25 Correct 80 ms 176392 KB Output is correct
26 Correct 83 ms 176420 KB Output is correct
27 Correct 283 ms 177168 KB Output is correct
28 Correct 338 ms 178676 KB Output is correct
29 Correct 349 ms 178940 KB Output is correct
30 Correct 319 ms 178340 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 304 ms 176420 KB Output is correct
2 Correct 70 ms 176348 KB Output is correct
3 Correct 74 ms 176372 KB Output is correct
4 Correct 74 ms 176332 KB Output is correct
5 Correct 79 ms 176372 KB Output is correct
6 Correct 75 ms 176424 KB Output is correct
7 Correct 82 ms 176336 KB Output is correct
8 Correct 306 ms 176416 KB Output is correct
9 Correct 301 ms 176420 KB Output is correct
10 Correct 287 ms 176344 KB Output is correct
11 Correct 330 ms 176576 KB Output is correct
12 Correct 72 ms 176376 KB Output is correct
13 Correct 72 ms 176376 KB Output is correct
14 Correct 73 ms 176420 KB Output is correct
15 Correct 70 ms 176348 KB Output is correct
16 Correct 75 ms 176312 KB Output is correct
17 Correct 95 ms 176408 KB Output is correct
18 Correct 103 ms 176628 KB Output is correct
19 Correct 346 ms 177300 KB Output is correct
20 Correct 361 ms 178788 KB Output is correct
21 Correct 329 ms 178208 KB Output is correct
22 Correct 319 ms 177752 KB Output is correct
23 Correct 291 ms 178836 KB Output is correct
24 Correct 241 ms 177980 KB Output is correct
25 Correct 250 ms 177636 KB Output is correct
26 Correct 243 ms 177528 KB Output is correct
27 Correct 72 ms 176396 KB Output is correct
28 Correct 76 ms 176384 KB Output is correct
29 Correct 71 ms 176372 KB Output is correct
30 Correct 72 ms 176332 KB Output is correct
31 Correct 74 ms 176320 KB Output is correct
32 Correct 73 ms 176496 KB Output is correct
33 Correct 77 ms 176408 KB Output is correct
34 Correct 81 ms 176464 KB Output is correct
35 Correct 75 ms 176452 KB Output is correct
36 Correct 264 ms 177228 KB Output is correct
37 Correct 307 ms 178000 KB Output is correct
38 Correct 319 ms 178496 KB Output is correct
39 Correct 380 ms 178728 KB Output is correct
40 Correct 300 ms 178208 KB Output is correct
41 Correct 216 ms 177616 KB Output is correct
42 Correct 211 ms 177700 KB Output is correct
43 Correct 316 ms 177980 KB Output is correct
44 Correct 70 ms 176332 KB Output is correct
45 Correct 69 ms 176336 KB Output is correct
46 Correct 71 ms 176412 KB Output is correct
47 Correct 70 ms 176324 KB Output is correct
48 Correct 77 ms 176332 KB Output is correct
49 Correct 79 ms 176360 KB Output is correct
50 Correct 82 ms 176460 KB Output is correct
51 Correct 80 ms 176392 KB Output is correct
52 Correct 83 ms 176420 KB Output is correct
53 Correct 283 ms 177168 KB Output is correct
54 Correct 338 ms 178676 KB Output is correct
55 Correct 349 ms 178940 KB Output is correct
56 Correct 319 ms 178340 KB Output is correct
57 Correct 410 ms 179760 KB Output is correct
58 Correct 332 ms 177356 KB Output is correct
59 Correct 384 ms 178284 KB Output is correct