#include <bits/stdc++.h>
#include "cyberland.h"
// #include "stub.cpp"
using namespace std;
#define lb long double
#define ll long long
#define ff first
#define ss second
double solve(int n, int m, int k, int h, vector<int> x, vector<int> y, vector<int> c, vector<int> a) {
vector <pair<ll, ll>> v[n+5];
k = min(k,50);
for(int i = 0; i < m; i++){
v[x[i]].push_back({y[i],c[i]});
v[y[i]].push_back({x[i],c[i]});
}
priority_queue <pair<lb,pair<ll,ll>>> q;
q.push({0,{0,0}});
vector <vector<lb>> dis(n+1, vector<lb> (k+1,1e18));
dis[0][0] = 0;
while(!q.empty()){
auto [w,x] = q.top();
q.pop();
if(-w != dis[x.ff][x.ss]) continue;
if(x.ff == h) continue;
for(auto [to,w1] : v[x.ff]){
if(a[to] == 2 and x.ss < k){
lb w2 = w1;
if((dis[x.ff][x.ss] + w2) / 2 < dis[to][x.ss+1]){
dis[to][x.ss+1] = (dis[x.ff][x.ss] + w2) / 2;
q.push({-dis[to][x.ss+1],{to,x.ss+1}});
}
}
if((dis[to][x.ss] > dis[x.ff][x.ss] + w1) or (a[to] == 0 and dis[to][x.ss] != 0)){
dis[to][x.ss] = dis[x.ff][x.ss] + w1;
if(a[to] == 0) dis[to][x.ss] = 0;
q.push({-dis[to][x.ss],{to,x.ss}});
}
}
}
lb ans = 1e18;
for(int i = 0; i <= k; i++){
ans = min(ans,dis[h][i]);
}
if(ans == 1e18) return -1;
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
860 KB |
Correct. |
2 |
Correct |
25 ms |
860 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
1880 KB |
Correct. |
2 |
Correct |
27 ms |
2108 KB |
Correct. |
3 |
Correct |
27 ms |
2140 KB |
Correct. |
4 |
Correct |
26 ms |
2100 KB |
Correct. |
5 |
Correct |
27 ms |
2060 KB |
Correct. |
6 |
Correct |
26 ms |
7348 KB |
Correct. |
7 |
Correct |
36 ms |
7500 KB |
Correct. |
8 |
Correct |
16 ms |
13404 KB |
Correct. |
9 |
Correct |
23 ms |
1368 KB |
Correct. |
10 |
Correct |
22 ms |
1452 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
29 ms |
1880 KB |
Correct. |
2 |
Correct |
29 ms |
1916 KB |
Correct. |
3 |
Correct |
26 ms |
1896 KB |
Correct. |
4 |
Correct |
23 ms |
1372 KB |
Correct. |
5 |
Correct |
25 ms |
1372 KB |
Correct. |
6 |
Correct |
9 ms |
5724 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
518 ms |
38352 KB |
Correct. |
2 |
Correct |
916 ms |
2056 KB |
Correct. |
3 |
Correct |
789 ms |
2076 KB |
Correct. |
4 |
Correct |
851 ms |
2000 KB |
Correct. |
5 |
Correct |
686 ms |
1520 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
28 ms |
2208 KB |
Correct. |
2 |
Correct |
26 ms |
2056 KB |
Correct. |
3 |
Correct |
35 ms |
2028 KB |
Correct. |
4 |
Correct |
26 ms |
6916 KB |
Correct. |
5 |
Correct |
38 ms |
1316 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
2076 KB |
Correct. |
2 |
Correct |
25 ms |
1936 KB |
Correct. |
3 |
Correct |
48 ms |
50260 KB |
Correct. |
4 |
Correct |
35 ms |
4836 KB |
Correct. |
5 |
Correct |
23 ms |
1368 KB |
Correct. |
6 |
Correct |
27 ms |
2000 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
815 ms |
4864 KB |
Correct. |
2 |
Correct |
97 ms |
4212 KB |
Correct. |
3 |
Correct |
2838 ms |
45488 KB |
Correct. |
4 |
Correct |
2378 ms |
13640 KB |
Correct. |
5 |
Correct |
2442 ms |
93648 KB |
Correct. |
6 |
Correct |
846 ms |
47124 KB |
Correct. |
7 |
Correct |
2275 ms |
12868 KB |
Correct. |
8 |
Correct |
2204 ms |
4068 KB |
Correct. |
9 |
Correct |
667 ms |
3860 KB |
Correct. |
10 |
Correct |
731 ms |
4792 KB |
Correct. |
11 |
Correct |
2036 ms |
3164 KB |
Correct. |
12 |
Correct |
772 ms |
3628 KB |
Correct. |
13 |
Correct |
821 ms |
5060 KB |
Correct. |
14 |
Correct |
1758 ms |
16496 KB |
Correct. |
15 |
Correct |
2357 ms |
7652 KB |
Correct. |
16 |
Correct |
674 ms |
3836 KB |
Correct. |
17 |
Correct |
899 ms |
3672 KB |
Correct. |
18 |
Correct |
855 ms |
3732 KB |
Correct. |
19 |
Correct |
2539 ms |
5912 KB |
Correct. |
20 |
Correct |
49 ms |
728 KB |
Correct. |
21 |
Correct |
54 ms |
2068 KB |
Correct. |
22 |
Correct |
65 ms |
6344 KB |
Correct. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1943 ms |
8748 KB |
Correct. |
2 |
Correct |
217 ms |
8504 KB |
Correct. |
3 |
Incorrect |
997 ms |
96920 KB |
Wrong Answer. |
4 |
Halted |
0 ms |
0 KB |
- |