답안 #554177

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
554177	2022-04-27T19:16:58 Z	QwertyPi	여행하는 상인 (APIO17_merchant)	C++14	100 / 100	160 ms	2092 KB

merchant

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

const int N = 101, K = 1001;
const int inf = 1 << 30;
int d[N][N], p[N][N], rp[N][N];
int b[N][K], s[N][K];
int n, m, q;

bool check(int av){
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			rp[i][j] = p[i][j] - av * d[i][j];
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			for(int k = 0; k < n; k++){
				rp[j][k] = max(rp[j][k], rp[j][i] + rp[i][k]);
			}
		}
	}
	
	for(int i = 0; i < n; i++){
		if(rp[i][i] >= 0) return true;
	}
	return false;
}

int32_t main(){
	cin >> n >> m >> q;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < q; j++){
			cin >> b[i][j] >> s[i][j];
		}
	}
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			d[i][j] = inf;
		}
	}
	for(int i = 0; i < m; i++){
		int u, v, w;
		cin >> u >> v >> w;
		u--; v--;
		d[u][v] = min(d[u][v], w);
	}
	
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			for(int k = 0; k < n; k++){
				d[j][k] = min(d[j][k], d[j][i] + d[i][k]);
			}
		}
	}
	
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			for(int k = 0; k < q; k++){
				if(s[j][k] != -1 && b[i][k] != -1) p[i][j] = max(p[i][j], s[j][k] - b[i][k]);
			}
		}
	}
	
	int l = 0, r = 1e9;
	while(l != r){
		int mid = (l + r + 1) / 2;
		if(check(mid)){
			l = mid;
		}else{
			r = mid - 1;
		}
	}
	cout << l << endl;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	2016 KB	Output is correct
2	Correct	31 ms	1264 KB	Output is correct
3	Correct	33 ms	1240 KB	Output is correct
4	Correct	5 ms	724 KB	Output is correct
5	Correct	7 ms	724 KB	Output is correct
6	Correct	5 ms	724 KB	Output is correct
7	Correct	6 ms	724 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	5 ms	724 KB	Output is correct
10	Correct	6 ms	804 KB	Output is correct
11	Correct	5 ms	792 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	6 ms	724 KB	Output is correct

Subtask #2
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	724 KB	Output is correct
2	Correct	6 ms	724 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	5 ms	724 KB	Output is correct
5	Correct	6 ms	804 KB	Output is correct
6	Correct	5 ms	792 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	6 ms	724 KB	Output is correct
9	Correct	5 ms	724 KB	Output is correct
10	Correct	5 ms	724 KB	Output is correct
11	Correct	6 ms	852 KB	Output is correct
12	Correct	6 ms	836 KB	Output is correct
13	Correct	8 ms	852 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	6 ms	724 KB	Output is correct
16	Correct	6 ms	856 KB	Output is correct
17	Correct	7 ms	832 KB	Output is correct
18	Correct	7 ms	852 KB	Output is correct
19	Correct	7 ms	852 KB	Output is correct
20	Correct	7 ms	852 KB	Output is correct
21	Correct	6 ms	820 KB	Output is correct
22	Correct	6 ms	724 KB	Output is correct
23	Correct	9 ms	856 KB	Output is correct
24	Correct	5 ms	724 KB	Output is correct
25	Correct	7 ms	852 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	8 ms	852 KB	Output is correct
28	Correct	8 ms	852 KB	Output is correct
29	Correct	8 ms	852 KB	Output is correct
30	Correct	7 ms	824 KB	Output is correct
31	Correct	6 ms	724 KB	Output is correct

Subtask #3
33.0 / 33.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	852 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	8 ms	852 KB	Output is correct
4	Correct	8 ms	852 KB	Output is correct
5	Correct	8 ms	852 KB	Output is correct
6	Correct	7 ms	824 KB	Output is correct
7	Correct	6 ms	724 KB	Output is correct
8	Correct	49 ms	1484 KB	Output is correct
9	Correct	160 ms	2092 KB	Output is correct
10	Correct	37 ms	1384 KB	Output is correct
11	Correct	42 ms	1476 KB	Output is correct
12	Correct	43 ms	1416 KB	Output is correct
13	Correct	50 ms	1364 KB	Output is correct

Subtask #4
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	724 KB	Output is correct
2	Correct	5 ms	724 KB	Output is correct
3	Correct	6 ms	852 KB	Output is correct
4	Correct	6 ms	836 KB	Output is correct
5	Correct	8 ms	852 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	6 ms	724 KB	Output is correct
8	Correct	6 ms	856 KB	Output is correct
9	Correct	7 ms	832 KB	Output is correct
10	Correct	7 ms	852 KB	Output is correct
11	Correct	7 ms	852 KB	Output is correct
12	Correct	7 ms	852 KB	Output is correct
13	Correct	6 ms	820 KB	Output is correct
14	Correct	6 ms	724 KB	Output is correct
15	Correct	9 ms	856 KB	Output is correct
16	Correct	5 ms	724 KB	Output is correct
17	Correct	49 ms	1484 KB	Output is correct
18	Correct	160 ms	2092 KB	Output is correct
19	Correct	37 ms	1384 KB	Output is correct
20	Correct	42 ms	1476 KB	Output is correct
21	Correct	43 ms	1416 KB	Output is correct
22	Correct	50 ms	1364 KB	Output is correct
23	Correct	7 ms	852 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	8 ms	852 KB	Output is correct
26	Correct	8 ms	852 KB	Output is correct
27	Correct	8 ms	852 KB	Output is correct
28	Correct	7 ms	824 KB	Output is correct
29	Correct	6 ms	724 KB	Output is correct
30	Correct	94 ms	2016 KB	Output is correct
31	Correct	31 ms	1264 KB	Output is correct
32	Correct	33 ms	1240 KB	Output is correct
33	Correct	5 ms	724 KB	Output is correct
34	Correct	7 ms	724 KB	Output is correct
35	Correct	5 ms	724 KB	Output is correct
36	Correct	6 ms	724 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	5 ms	724 KB	Output is correct
39	Correct	6 ms	804 KB	Output is correct
40	Correct	5 ms	792 KB	Output is correct
41	Correct	0 ms	340 KB	Output is correct
42	Correct	6 ms	724 KB	Output is correct
43	Correct	45 ms	1364 KB	Output is correct
44	Correct	40 ms	1364 KB	Output is correct
45	Correct	68 ms	2084 KB	Output is correct
46	Correct	36 ms	1472 KB	Output is correct
47	Correct	36 ms	1492 KB	Output is correct
48	Correct	36 ms	1492 KB	Output is correct
49	Correct	135 ms	2060 KB	Output is correct
50	Correct	0 ms	340 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	33 ms	1236 KB	Output is correct
53	Correct	43 ms	1236 KB	Output is correct
54	Correct	34 ms	1404 KB	Output is correct
55	Correct	32 ms	1236 KB	Output is correct
56	Correct	32 ms	1236 KB	Output is correct
57	Correct	0 ms	340 KB	Output is correct
58	Correct	9 ms	852 KB	Output is correct
59	Correct	9 ms	896 KB	Output is correct
60	Correct	9 ms	900 KB	Output is correct
61	Correct	144 ms	2044 KB	Output is correct
62	Correct	146 ms	2064 KB	Output is correct
63	Correct	0 ms	340 KB	Output is correct

답안 #554177

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