# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
374261 | 2021-03-07T02:45:32 Z | mathking1021 | 여행하는 상인 (APIO17_merchant) | C++17 | 107 ms | 3772 KB |
#include <iostream> #include <cstdio> using namespace std; typedef long long ll; ll n, m, k; ll d[105][105]; ll e[105][105]; ll c[105][105]; ll a[105][1005]; ll b[105][1005]; ll x[105]; ll y[105]; bool f(ll p) { for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { c[i][j] = d[i][j] * p - e[i][j]; } } x[1] = 0; y[1] = 0; for(ll i = 2; i <= n; i++) { x[i] = 2e18; y[i] = 0; } for(ll ii = 1; ii <= n; ii++) { for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { if(i == j) continue; if(x[j] > x[i] + c[i][j]) x[j] = x[i] + c[i][j], y[j] = y[i] - 1; else if(x[j] == x[i] + c[i][j]) y[j] = min(y[j], y[i] - 1); } } } for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { if(i == j) continue; if(x[j] > x[i] + c[i][j]) return true; else if(x[j] == x[i] + c[i][j] && y[j] > y[i] - 1) return true; } } return false; } int main() { scanf("%lld%lld%lld", &n, &m, &k); for(ll i = 1; i <= n; i++) { for(ll j = 0; j < k; j++) { ll t1, t2; scanf("%lld%lld", &t1, &t2); if(t1 == -1) a[i][j] = 1e18; else a[i][j] = t1; if(t2 == -1) b[i][j] = -1e18; else b[i][j] = t2; } } for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { d[i][j] = 2e9; } d[i][i] = 0; } for(ll i = 0; i < m; i++) { ll t1, t2, t3; scanf("%lld%lld%lld", &t1, &t2, &t3); d[t1][t2] = t3; } for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { e[i][j] = 0; for(ll ii = 0; ii < k; ii++) { e[i][j] = max(e[i][j], b[j][ii] - a[i][ii]); } } } for(ll ii = 1; ii <= n; ii++) { for(ll i = 1; i <= n; i++) { for(ll j = 1; j <= n; j++) { d[i][j] = min(d[i][j], d[i][ii] + d[ii][j]); } } } ll lt = 0, rt = 2e9, mid, ans = 0; // f(3); while(lt <= rt) { mid = (lt + rt) / 2; if(f(mid)) ans = mid, lt = mid + 1; else rt = mid - 1; } printf("%lld\n", ans); return 0; }
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 107 ms | 2156 KB | Output is correct |
2 | Correct | 76 ms | 1388 KB | Output is correct |
3 | Correct | 83 ms | 1388 KB | Output is correct |
4 | Correct | 9 ms | 876 KB | Output is correct |
5 | Correct | 9 ms | 1004 KB | Output is correct |
6 | Correct | 10 ms | 876 KB | Output is correct |
7 | Correct | 11 ms | 876 KB | Output is correct |
8 | Correct | 1 ms | 364 KB | Output is correct |
9 | Correct | 10 ms | 876 KB | Output is correct |
10 | Correct | 9 ms | 896 KB | Output is correct |
11 | Correct | 10 ms | 876 KB | Output is correct |
12 | Correct | 1 ms | 492 KB | Output is correct |
13 | Correct | 10 ms | 876 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 876 KB | Output is correct |
2 | Correct | 11 ms | 876 KB | Output is correct |
3 | Correct | 1 ms | 364 KB | Output is correct |
4 | Correct | 10 ms | 876 KB | Output is correct |
5 | Correct | 9 ms | 896 KB | Output is correct |
6 | Correct | 10 ms | 876 KB | Output is correct |
7 | Correct | 1 ms | 492 KB | Output is correct |
8 | Correct | 10 ms | 876 KB | Output is correct |
9 | Correct | 10 ms | 876 KB | Output is correct |
10 | Correct | 12 ms | 1004 KB | Output is correct |
11 | Correct | 11 ms | 876 KB | Output is correct |
12 | Correct | 10 ms | 876 KB | Output is correct |
13 | Correct | 10 ms | 896 KB | Output is correct |
14 | Correct | 1 ms | 364 KB | Output is correct |
15 | Correct | 9 ms | 876 KB | Output is correct |
16 | Correct | 12 ms | 876 KB | Output is correct |
17 | Correct | 10 ms | 876 KB | Output is correct |
18 | Correct | 9 ms | 876 KB | Output is correct |
19 | Correct | 12 ms | 928 KB | Output is correct |
20 | Correct | 10 ms | 1004 KB | Output is correct |
21 | Correct | 11 ms | 896 KB | Output is correct |
22 | Correct | 10 ms | 876 KB | Output is correct |
23 | Correct | 10 ms | 876 KB | Output is correct |
24 | Correct | 9 ms | 876 KB | Output is correct |
25 | Correct | 10 ms | 876 KB | Output is correct |
26 | Correct | 1 ms | 364 KB | Output is correct |
27 | Correct | 11 ms | 876 KB | Output is correct |
28 | Correct | 11 ms | 876 KB | Output is correct |
29 | Correct | 10 ms | 876 KB | Output is correct |
30 | Correct | 9 ms | 876 KB | Output is correct |
31 | Correct | 9 ms | 896 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 876 KB | Output is correct |
2 | Correct | 1 ms | 364 KB | Output is correct |
3 | Correct | 11 ms | 876 KB | Output is correct |
4 | Correct | 11 ms | 876 KB | Output is correct |
5 | Correct | 10 ms | 876 KB | Output is correct |
6 | Correct | 9 ms | 876 KB | Output is correct |
7 | Correct | 9 ms | 896 KB | Output is correct |
8 | Correct | 65 ms | 1508 KB | Output is correct |
9 | Correct | 94 ms | 2284 KB | Output is correct |
10 | Correct | 62 ms | 1388 KB | Output is correct |
11 | Correct | 68 ms | 1516 KB | Output is correct |
12 | Correct | 67 ms | 1772 KB | Output is correct |
13 | Correct | 62 ms | 1516 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 876 KB | Output is correct |
2 | Correct | 12 ms | 1004 KB | Output is correct |
3 | Correct | 11 ms | 876 KB | Output is correct |
4 | Correct | 10 ms | 876 KB | Output is correct |
5 | Correct | 10 ms | 896 KB | Output is correct |
6 | Correct | 1 ms | 364 KB | Output is correct |
7 | Correct | 9 ms | 876 KB | Output is correct |
8 | Correct | 12 ms | 876 KB | Output is correct |
9 | Correct | 10 ms | 876 KB | Output is correct |
10 | Correct | 9 ms | 876 KB | Output is correct |
11 | Correct | 12 ms | 928 KB | Output is correct |
12 | Correct | 10 ms | 1004 KB | Output is correct |
13 | Correct | 11 ms | 896 KB | Output is correct |
14 | Correct | 10 ms | 876 KB | Output is correct |
15 | Correct | 10 ms | 876 KB | Output is correct |
16 | Correct | 9 ms | 876 KB | Output is correct |
17 | Correct | 65 ms | 1508 KB | Output is correct |
18 | Correct | 94 ms | 2284 KB | Output is correct |
19 | Correct | 62 ms | 1388 KB | Output is correct |
20 | Correct | 68 ms | 1516 KB | Output is correct |
21 | Correct | 67 ms | 1772 KB | Output is correct |
22 | Correct | 62 ms | 1516 KB | Output is correct |
23 | Correct | 10 ms | 876 KB | Output is correct |
24 | Correct | 1 ms | 364 KB | Output is correct |
25 | Correct | 11 ms | 876 KB | Output is correct |
26 | Correct | 11 ms | 876 KB | Output is correct |
27 | Correct | 10 ms | 876 KB | Output is correct |
28 | Correct | 9 ms | 876 KB | Output is correct |
29 | Correct | 9 ms | 896 KB | Output is correct |
30 | Correct | 107 ms | 2156 KB | Output is correct |
31 | Correct | 76 ms | 1388 KB | Output is correct |
32 | Correct | 83 ms | 1388 KB | Output is correct |
33 | Correct | 9 ms | 876 KB | Output is correct |
34 | Correct | 9 ms | 1004 KB | Output is correct |
35 | Correct | 10 ms | 876 KB | Output is correct |
36 | Correct | 11 ms | 876 KB | Output is correct |
37 | Correct | 1 ms | 364 KB | Output is correct |
38 | Correct | 10 ms | 876 KB | Output is correct |
39 | Correct | 9 ms | 896 KB | Output is correct |
40 | Correct | 10 ms | 876 KB | Output is correct |
41 | Correct | 1 ms | 492 KB | Output is correct |
42 | Correct | 10 ms | 876 KB | Output is correct |
43 | Correct | 83 ms | 1388 KB | Output is correct |
44 | Correct | 80 ms | 1644 KB | Output is correct |
45 | Correct | 102 ms | 2668 KB | Output is correct |
46 | Correct | 79 ms | 1516 KB | Output is correct |
47 | Correct | 80 ms | 1644 KB | Output is correct |
48 | Correct | 78 ms | 1644 KB | Output is correct |
49 | Correct | 97 ms | 3772 KB | Output is correct |
50 | Correct | 1 ms | 364 KB | Output is correct |
51 | Correct | 1 ms | 364 KB | Output is correct |
52 | Correct | 60 ms | 1388 KB | Output is correct |
53 | Correct | 60 ms | 1516 KB | Output is correct |
54 | Correct | 62 ms | 1516 KB | Output is correct |
55 | Correct | 62 ms | 1388 KB | Output is correct |
56 | Correct | 60 ms | 1388 KB | Output is correct |
57 | Correct | 1 ms | 364 KB | Output is correct |
58 | Correct | 11 ms | 1004 KB | Output is correct |
59 | Correct | 11 ms | 1004 KB | Output is correct |
60 | Correct | 15 ms | 1004 KB | Output is correct |
61 | Correct | 101 ms | 3692 KB | Output is correct |
62 | Correct | 100 ms | 3692 KB | Output is correct |
63 | Correct | 1 ms | 364 KB | Output is correct |