# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
210713 | 2020-03-18T06:41:55 Z | anonymous | 여행하는 상인 (APIO17_merchant) | C++14 | 121 ms | 3452 KB |
#include<iostream> #define MAXN 105 #define MAXK 1005 #define LL long long using namespace std; int N, M, K, ui, vi, wi; int buy[MAXN][MAXK], sell[MAXN][MAXK]; LL dist[MAXN][MAXN], best[MAXN][MAXN]; LL adj[MAXN][MAXN]; bool can(LL k) { for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { adj[i][j] = best[i][j] - k*dist[i][j]; } } //is there a non-negative cycle? for (int m=1; m<=N; m++) { for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { adj[i][j]=max(adj[i][j], adj[i][m] + adj[m][j]); } } } for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { if (i != j && adj[i][j] + best[j][i] - k*dist[j][i] >= 0) {return(true);} } } return(false); } int main() { //freopen("merchin.txt","r",stdin); scanf("%d %d %d",&N,&M,&K); for (int i=1; i<=N; i++) { for (int j=1; j<=K; j++) { scanf("%d %d", &buy[i][j], &sell[i][j]); } } for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { if (i != j) {dist[i][j] = 1LL << 31;} } } for (int i=0; i<M; i++) { scanf("%d %d %d",&ui,&vi,&wi); dist[ui][vi]=wi; } for (int k=1; k<=N; k++) { for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { dist[i][j]=min(dist[i][j], dist[i][k] + dist[k][j]); } } } for (int i=1; i<=N; i++) { for (int j=1; j<=N; j++) { for (int k=1; k<=K; k++) { if (sell[j][k] == -1 || buy[i][k] == -1) {continue;} best[i][j] = max(best[i][j], (LL) sell[j][k]-buy[i][k]); } } } int lo = 0, hi = (int) 1e9 + 5; while (lo + 1 != hi) { int mid = (lo + hi) >> 1; if (can(mid)) {lo = mid;} else {hi = mid;} } printf("%d\n", lo); }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 75 ms | 2552 KB | Output is correct |
2 | Correct | 41 ms | 1272 KB | Output is correct |
3 | Correct | 42 ms | 1268 KB | Output is correct |
4 | Correct | 10 ms | 760 KB | Output is correct |
5 | Correct | 10 ms | 760 KB | Output is correct |
6 | Correct | 10 ms | 760 KB | Output is correct |
7 | Correct | 11 ms | 760 KB | Output is correct |
8 | Correct | 5 ms | 248 KB | Output is correct |
9 | Correct | 10 ms | 760 KB | Output is correct |
10 | Correct | 11 ms | 760 KB | Output is correct |
11 | Correct | 10 ms | 760 KB | Output is correct |
12 | Correct | 5 ms | 504 KB | Output is correct |
13 | Correct | 11 ms | 888 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 12 ms | 888 KB | Output is correct |
2 | Correct | 11 ms | 888 KB | Output is correct |
3 | Correct | 11 ms | 888 KB | Output is correct |
4 | Correct | 10 ms | 760 KB | Output is correct |
5 | Correct | 12 ms | 888 KB | Output is correct |
6 | Correct | 5 ms | 376 KB | Output is correct |
7 | Correct | 10 ms | 760 KB | Output is correct |
8 | Correct | 11 ms | 888 KB | Output is correct |
9 | Correct | 10 ms | 888 KB | Output is correct |
10 | Correct | 10 ms | 888 KB | Output is correct |
11 | Correct | 12 ms | 888 KB | Output is correct |
12 | Correct | 11 ms | 888 KB | Output is correct |
13 | Correct | 11 ms | 888 KB | Output is correct |
14 | Correct | 11 ms | 888 KB | Output is correct |
15 | Correct | 12 ms | 888 KB | Output is correct |
16 | Correct | 10 ms | 760 KB | Output is correct |
17 | Correct | 12 ms | 888 KB | Output is correct |
18 | Correct | 5 ms | 376 KB | Output is correct |
19 | Correct | 11 ms | 888 KB | Output is correct |
20 | Correct | 11 ms | 920 KB | Output is correct |
21 | Correct | 11 ms | 888 KB | Output is correct |
22 | Correct | 11 ms | 888 KB | Output is correct |
23 | Correct | 10 ms | 888 KB | Output is correct |
24 | Correct | 10 ms | 760 KB | Output is correct |
25 | Correct | 11 ms | 760 KB | Output is correct |
26 | Correct | 5 ms | 248 KB | Output is correct |
27 | Correct | 10 ms | 760 KB | Output is correct |
28 | Correct | 11 ms | 760 KB | Output is correct |
29 | Correct | 10 ms | 760 KB | Output is correct |
30 | Correct | 5 ms | 504 KB | Output is correct |
31 | Correct | 11 ms | 888 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 49 ms | 1528 KB | Output is correct |
2 | Correct | 111 ms | 3192 KB | Output is correct |
3 | Correct | 48 ms | 1400 KB | Output is correct |
4 | Correct | 49 ms | 1528 KB | Output is correct |
5 | Correct | 49 ms | 1528 KB | Output is correct |
6 | Correct | 47 ms | 1400 KB | Output is correct |
7 | Correct | 12 ms | 888 KB | Output is correct |
8 | Correct | 5 ms | 376 KB | Output is correct |
9 | Correct | 11 ms | 888 KB | Output is correct |
10 | Correct | 11 ms | 920 KB | Output is correct |
11 | Correct | 11 ms | 888 KB | Output is correct |
12 | Correct | 11 ms | 888 KB | Output is correct |
13 | Correct | 10 ms | 888 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 12 ms | 888 KB | Output is correct |
2 | Correct | 11 ms | 888 KB | Output is correct |
3 | Correct | 11 ms | 888 KB | Output is correct |
4 | Correct | 10 ms | 760 KB | Output is correct |
5 | Correct | 12 ms | 888 KB | Output is correct |
6 | Correct | 5 ms | 376 KB | Output is correct |
7 | Correct | 10 ms | 760 KB | Output is correct |
8 | Correct | 11 ms | 888 KB | Output is correct |
9 | Correct | 10 ms | 888 KB | Output is correct |
10 | Correct | 10 ms | 888 KB | Output is correct |
11 | Correct | 12 ms | 888 KB | Output is correct |
12 | Correct | 11 ms | 888 KB | Output is correct |
13 | Correct | 11 ms | 888 KB | Output is correct |
14 | Correct | 11 ms | 888 KB | Output is correct |
15 | Correct | 12 ms | 888 KB | Output is correct |
16 | Correct | 10 ms | 760 KB | Output is correct |
17 | Correct | 49 ms | 1528 KB | Output is correct |
18 | Correct | 111 ms | 3192 KB | Output is correct |
19 | Correct | 48 ms | 1400 KB | Output is correct |
20 | Correct | 49 ms | 1528 KB | Output is correct |
21 | Correct | 49 ms | 1528 KB | Output is correct |
22 | Correct | 47 ms | 1400 KB | Output is correct |
23 | Correct | 12 ms | 888 KB | Output is correct |
24 | Correct | 5 ms | 376 KB | Output is correct |
25 | Correct | 11 ms | 888 KB | Output is correct |
26 | Correct | 11 ms | 920 KB | Output is correct |
27 | Correct | 11 ms | 888 KB | Output is correct |
28 | Correct | 11 ms | 888 KB | Output is correct |
29 | Correct | 10 ms | 888 KB | Output is correct |
30 | Correct | 54 ms | 1400 KB | Output is correct |
31 | Correct | 46 ms | 1400 KB | Output is correct |
32 | Correct | 66 ms | 1912 KB | Output is correct |
33 | Correct | 46 ms | 1400 KB | Output is correct |
34 | Correct | 46 ms | 1400 KB | Output is correct |
35 | Correct | 46 ms | 1400 KB | Output is correct |
36 | Correct | 118 ms | 3320 KB | Output is correct |
37 | Correct | 5 ms | 376 KB | Output is correct |
38 | Correct | 5 ms | 376 KB | Output is correct |
39 | Correct | 44 ms | 1272 KB | Output is correct |
40 | Correct | 46 ms | 1400 KB | Output is correct |
41 | Correct | 45 ms | 1400 KB | Output is correct |
42 | Correct | 45 ms | 1400 KB | Output is correct |
43 | Correct | 43 ms | 1364 KB | Output is correct |
44 | Correct | 5 ms | 376 KB | Output is correct |
45 | Correct | 13 ms | 888 KB | Output is correct |
46 | Correct | 13 ms | 888 KB | Output is correct |
47 | Correct | 14 ms | 1016 KB | Output is correct |
48 | Correct | 121 ms | 3448 KB | Output is correct |
49 | Correct | 120 ms | 3452 KB | Output is correct |
50 | Correct | 5 ms | 376 KB | Output is correct |
51 | Correct | 75 ms | 2552 KB | Output is correct |
52 | Correct | 41 ms | 1272 KB | Output is correct |
53 | Correct | 42 ms | 1268 KB | Output is correct |
54 | Correct | 10 ms | 760 KB | Output is correct |
55 | Correct | 10 ms | 760 KB | Output is correct |
56 | Correct | 10 ms | 760 KB | Output is correct |
57 | Correct | 11 ms | 760 KB | Output is correct |
58 | Correct | 5 ms | 248 KB | Output is correct |
59 | Correct | 10 ms | 760 KB | Output is correct |
60 | Correct | 11 ms | 760 KB | Output is correct |
61 | Correct | 10 ms | 760 KB | Output is correct |
62 | Correct | 5 ms | 504 KB | Output is correct |
63 | Correct | 11 ms | 888 KB | Output is correct |