// Calm down.
// Think three times, code twice.
#include "bits/stdc++.h"
#include "crocodile.h"
#define forr(_a,_b,_c) for(int _a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(int _a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(int _a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <int,int>
#define pll pair <ll,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define mask(i) (1LL << (i))
#define bit(x, i) (((x) >> (i)) & 1)
#define bp __builtin_popcountll
#define file "test"
using namespace std;
const int N = 1000 + 5;
const int mod = 1e9 + 7; // 998244353
const ll oo = 1e18;
int d[N][2];
bool check[N];
vector<pii> a[N];
void dfs(int u, int par) {
for(pii e: a[u]) {
int v = e.nd; ll dv = e.st;
if(v == par) continue;
dfs(v, u);
if(check[v]) {
if(dv < d[u][0]) {
int tmp = d[u][0];
d[u][0] = dv;
d[u][1] = tmp;
} else if(dv < d[u][1]) {
d[u][1] = dv;
}
}
if(d[v][1] + dv < d[u][0]) {
int tmp = d[u][0];
d[u][0] = d[v][1] + dv;
d[u][1] = tmp;
} else if(d[v][1] + dv< d[u][1]) {
d[u][1] = d[v][1] + dv;
}
// cout << u << " " << v << " " << d[u][0] << " " << d[u][1] << "\n";
}
}
//int n, m, r[N][2], l[N], k, p[N];
//int n, int m, int r[][2], int l[], int k, int p[]
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]) {
// cin >> n >> m >> k;
forf(i, 0, m) {
// int u, v, val; cin >> u >> v >> val;
// a[u].pb({val, v});
// a[v].pb({val, u});
a[r[i][0]].pb({l[i], r[i][1]});
a[r[i][1]].pb({l[i], r[i][1]});
}
forf(i, 0, k) {
// int x; cin >> x;
check[p[i]] = 1;
}
// forf(i, 0, m) {
// a[r[i][0]].pb({l[i], r[i][1]});
// a[r[i][1]].pb({l[i], r[i][0]});
// }
// forf(i, 0, k) check[p[i]] = 1;
memset(d, 63, sizeof d);
dfs(0, 0);
return d[0][1];
}
//signed main(){
// ios_base::sync_with_stdio(0);cin.tie(0);
// #ifdef LOCAL
// freopen(file".inp","r",stdin);
// freopen(file".out","w",stdout);
// #endif
// int t = 1;
// //cin >> t;
// while(t--) cout << travel_plan();
//}
/*
1.self check:
2.long long
3.size of array
4.code for testing
5.initializing
6.modulo number
*/
/**
∧__∧
（｀•ω• )づ__∧
（つ /( •ω•。)
しーＪ (nnノ) pat pat
**/
/** /\_/\
* (= ._.)
* / >☕ \>💻
**/
Compilation message
crocodile.cpp:108:9: warning: "/*" within comment [-Wcomment]
108 | /** /\_/\
|
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
4432 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
