답안 #544848

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
544848	2022-04-02T20:26:07 Z	valerikk	여행하는 상인 (APIO17_merchant)	C++17	100 / 100	98 ms	4432 KB

merchant

#include <bits/stdc++.h>

using namespace std;

#define int long long 

const int N = 105;
const int K = 1010;
const int M = 9999;
const long long INF = 0x3f3f3f3f3f3f3f3f;

int n, m, k;
int b[N][K];
int s[N][K];
int v[M], w[M], t[M];

int mx[N][N];
long long d[N][N];
long long dd[N][N];

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> n >> m >> k;
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < k; ++j) {
			cin >> b[i][j] >> s[i][j];
		}
	}
	for (int i = 0; i < m; ++i) {
		cin >> v[i] >> w[i] >> t[i];
		--v[i];
		--w[i];
	}

	memset(d, 0x3f, sizeof(d));
	for (int i = 0; i < n; ++i) {
		d[i][i] = 0;
	}
	for (int i = 0; i < m; ++i) {
		d[v[i]][w[i]] = min<long long>(d[v[i]][w[i]], t[i]);
	}
	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) {
			for (int f = 0; f < n; ++f) {
				if (d[j][i] < INF && d[i][f] < INF) {
					d[j][f] = min(d[j][f], d[j][i] + d[i][f]);
				}
			}
		}
	}
	memcpy(dd, d, sizeof(dd));

	for (int i = 0; i < n; ++i) {
		for (int j = 0; j < n; ++j) {
			mx[i][j] = 0;
			for (int f = 0; f < k; ++f) {
				if (b[i][f] != -1 && s[j][f] != -1) {
					mx[i][j] = max(mx[i][j], s[j][f] - b[i][f]);
				}
			}
		}
	}
	
	int l = 0, r = 1e9;
	while (r - l > 1) {
		int mid = (l + r) / 2;
		
		memcpy(d, dd, sizeof(d));
		for (int i = 0; i < n; ++i) {
			for (int j = 0; j < n; ++j) {
				if (i != j && d[i][j] < INF) {
					d[i][j] = d[i][j] * mid - mx[i][j];
					assert(d[i][j] < INF);
				}
			}
		}
		for (int i = 0; i < n; ++i) {
			d[i][i] = INF;
		}
		for (int i = 0; i < n; ++i) {
			for (int j = 0; j < n; ++j) {
				for (int f = 0; f < n; ++f) {
					if (d[j][i] < INF && d[i][f] < INF) {
						d[j][f] = min(d[j][f], d[j][i] + d[i][f]);
					}
				}
			}
		}

		bool ok = false;
		for (int i = 0; i < n; ++i) {
			ok |= d[i][i] <= 0;
		}
		if (ok) {
			l = mid;
		} else {
			r = mid;
		}
	}

	cout << l << endl;

	return 0;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	2148 KB	Output is correct
2	Correct	38 ms	1364 KB	Output is correct
3	Correct	41 ms	1376 KB	Output is correct
4	Correct	8 ms	852 KB	Output is correct
5	Correct	6 ms	852 KB	Output is correct
6	Correct	8 ms	972 KB	Output is correct
7	Correct	8 ms	1028 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	6 ms	852 KB	Output is correct
10	Correct	6 ms	852 KB	Output is correct
11	Correct	7 ms	976 KB	Output is correct
12	Correct	1 ms	596 KB	Output is correct
13	Correct	7 ms	988 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	972 KB	Output is correct
2	Correct	8 ms	1028 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	6 ms	852 KB	Output is correct
5	Correct	6 ms	852 KB	Output is correct
6	Correct	7 ms	976 KB	Output is correct
7	Correct	1 ms	596 KB	Output is correct
8	Correct	7 ms	988 KB	Output is correct
9	Correct	6 ms	984 KB	Output is correct
10	Correct	6 ms	864 KB	Output is correct
11	Correct	6 ms	980 KB	Output is correct
12	Correct	5 ms	852 KB	Output is correct
13	Correct	10 ms	992 KB	Output is correct
14	Correct	1 ms	468 KB	Output is correct
15	Correct	6 ms	852 KB	Output is correct
16	Correct	7 ms	980 KB	Output is correct
17	Correct	7 ms	980 KB	Output is correct
18	Correct	6 ms	980 KB	Output is correct
19	Correct	7 ms	992 KB	Output is correct
20	Correct	6 ms	980 KB	Output is correct
21	Correct	6 ms	980 KB	Output is correct
22	Correct	6 ms	876 KB	Output is correct
23	Correct	7 ms	1108 KB	Output is correct
24	Correct	8 ms	968 KB	Output is correct
25	Correct	7 ms	988 KB	Output is correct
26	Correct	1 ms	468 KB	Output is correct
27	Correct	8 ms	944 KB	Output is correct
28	Correct	7 ms	940 KB	Output is correct
29	Correct	7 ms	980 KB	Output is correct
30	Correct	6 ms	980 KB	Output is correct
31	Correct	6 ms	840 KB	Output is correct

Subtask #3
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	988 KB	Output is correct
2	Correct	1 ms	468 KB	Output is correct
3	Correct	8 ms	944 KB	Output is correct
4	Correct	7 ms	940 KB	Output is correct
5	Correct	7 ms	980 KB	Output is correct
6	Correct	6 ms	980 KB	Output is correct
7	Correct	6 ms	840 KB	Output is correct
8	Correct	46 ms	1492 KB	Output is correct
9	Correct	84 ms	3924 KB	Output is correct
10	Correct	41 ms	1492 KB	Output is correct
11	Correct	49 ms	1736 KB	Output is correct
12	Correct	62 ms	1636 KB	Output is correct
13	Correct	46 ms	1492 KB	Output is correct

Subtask #4
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	984 KB	Output is correct
2	Correct	6 ms	864 KB	Output is correct
3	Correct	6 ms	980 KB	Output is correct
4	Correct	5 ms	852 KB	Output is correct
5	Correct	10 ms	992 KB	Output is correct
6	Correct	1 ms	468 KB	Output is correct
7	Correct	6 ms	852 KB	Output is correct
8	Correct	7 ms	980 KB	Output is correct
9	Correct	7 ms	980 KB	Output is correct
10	Correct	6 ms	980 KB	Output is correct
11	Correct	7 ms	992 KB	Output is correct
12	Correct	6 ms	980 KB	Output is correct
13	Correct	6 ms	980 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	7 ms	1108 KB	Output is correct
16	Correct	8 ms	968 KB	Output is correct
17	Correct	46 ms	1492 KB	Output is correct
18	Correct	84 ms	3924 KB	Output is correct
19	Correct	41 ms	1492 KB	Output is correct
20	Correct	49 ms	1736 KB	Output is correct
21	Correct	62 ms	1636 KB	Output is correct
22	Correct	46 ms	1492 KB	Output is correct
23	Correct	7 ms	988 KB	Output is correct
24	Correct	1 ms	468 KB	Output is correct
25	Correct	8 ms	944 KB	Output is correct
26	Correct	7 ms	940 KB	Output is correct
27	Correct	7 ms	980 KB	Output is correct
28	Correct	6 ms	980 KB	Output is correct
29	Correct	6 ms	840 KB	Output is correct
30	Correct	59 ms	2148 KB	Output is correct
31	Correct	38 ms	1364 KB	Output is correct
32	Correct	41 ms	1376 KB	Output is correct
33	Correct	8 ms	852 KB	Output is correct
34	Correct	6 ms	852 KB	Output is correct
35	Correct	8 ms	972 KB	Output is correct
36	Correct	8 ms	1028 KB	Output is correct
37	Correct	1 ms	468 KB	Output is correct
38	Correct	6 ms	852 KB	Output is correct
39	Correct	6 ms	852 KB	Output is correct
40	Correct	7 ms	976 KB	Output is correct
41	Correct	1 ms	596 KB	Output is correct
42	Correct	7 ms	988 KB	Output is correct
43	Correct	40 ms	1424 KB	Output is correct
44	Correct	42 ms	1584 KB	Output is correct
45	Correct	55 ms	2644 KB	Output is correct
46	Correct	44 ms	1492 KB	Output is correct
47	Correct	43 ms	1628 KB	Output is correct
48	Correct	42 ms	1620 KB	Output is correct
49	Correct	89 ms	4104 KB	Output is correct
50	Correct	1 ms	468 KB	Output is correct
51	Correct	1 ms	468 KB	Output is correct
52	Correct	46 ms	1364 KB	Output is correct
53	Correct	43 ms	1736 KB	Output is correct
54	Correct	59 ms	1480 KB	Output is correct
55	Correct	49 ms	1364 KB	Output is correct
56	Correct	43 ms	1424 KB	Output is correct
57	Correct	1 ms	468 KB	Output is correct
58	Correct	8 ms	1108 KB	Output is correct
59	Correct	9 ms	1108 KB	Output is correct
60	Correct	8 ms	1108 KB	Output is correct
61	Correct	92 ms	4428 KB	Output is correct
62	Correct	98 ms	4432 KB	Output is correct
63	Correct	1 ms	468 KB	Output is correct

답안 #544848

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 21.0 / 21.0

Subtask #3 33.0 / 33.0

Subtask #4 34.0 / 34.0

Subtask #1
12.0 / 12.0

Subtask #2
21.0 / 21.0

Subtask #3
33.0 / 33.0

Subtask #4
34.0 / 34.0