Submission #1106505

#TimeUsernameProblemLanguageResultExecution timeMemory
1106505Neco_arcMuseum (CEOI17_museum)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #ifndef ONLINE_JUDGE #include <C:\debug.hpp> #endif // ONLINE_JUDGE #define ll long long #define ull unsigned long long #define all(x) x.begin(), x.end() #define Neco "migration" #define resp(x) sort(all(x)), x.resize(unique(all(x)) - x.begin()) #define getbit(x,i) ((x >> i)&1) #define _left id * 2, l, mid #define _right id * 2 + 1, mid + 1, r #define cntbit(x) __builtin_popcountll(x) #define fi(i, a, b) for(int i = a; i <= b; i++) #define fid(i, a, b) for(int i = a; i >= b; i--) #define maxn (int) 5000 + 7 using namespace std; const ll mod = 1e9 + 7; //972663749 const ll base = 911382323; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll GetRandom(ll l, ll r) { return uniform_int_distribution<ll> (l, r)(rng); } int n, k, rt; vector<ll> dp[maxn][2]; vector<pair<int, int>> edges[maxn]; vector<ll> Min(vector<ll> &A, vector<ll> &B) { while(A.size() < B.size()) A.push_back(1e18); fi(i, 0, B.size() - 1) A[i] = min(A[i], B[i]); return A; } vector<ll> cb(const vector<ll> &A, const vector<ll> &B, ll w) { vector<ll> ans(A.size() + B.size() - 1, 1e18); fi(i, 0, A.size() - 1) fi(j, 0, B.size() - 1) { ans[i + j] = min(ans[i + j], A[i] + B[j] + (j > 0) * w); } return ans; } void dfs(int u, int par) { fi(i, 0, 1) dp[u][i] = {0, 0}; for(auto [v, w] : edges[u]) if(v != par) { dfs(v, u); vector<ll> tmp1 = cb(dp[u][0], dp[v][1], w); vector<ll> tmp2 = cb(dp[u][1], dp[v][0], 2 * w); dp[u][1] = Min(tmp1, tmp2); dp[u][0] = cb(dp[u][0], dp[v][0], 2 * w); } } void solve() { cin >> n >> k >> rt; fi(i, 1, n - 1) { int x, y, w; cin >> x >> y >> w; edges[x].push_back({y, w}), edges[y].push_back({x, w}); } dfs(rt, 0); // fi(i, 1, n) cout << dp[1][1][i] << "\n"; cout << dp[rt][1][k]; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); if(fopen(Neco".inp", "r")) { freopen(Neco".inp", "r", stdin); freopen(Neco".out", "w", stdout); } int nTest = 1; // cin >> nTest; while(nTest--) { solve(); } return 0; }

Compilation message (stderr)

museum.cpp:3:10: fatal error: C:\debug.hpp: No such file or directory
    3 | #include <C:\debug.hpp>
      |          ^~~~~~~~~~~~~~
compilation terminated.