제출 #349002

#제출 시각아이디문제언어결과실행 시간메모리
349002Killer2501Race (IOI11_race)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define pb push_back #define task "sequence" #define pll pair<ll, ll> #define pii pair<ll, pll> #define fi first #define se second using ll = long long; const long long mod = 1e15+7; const ll N = 2e5 + 5; const int base = 350; using ull = unsigned long long; using namespace std; ll n, m, t, k, T, a[N], cnt, ans, u, tong, v, b[N], c[N]; map<ll, ll> mp[N]; vector<pll> kq, adj[N]; void dfs(ll u, ll p, ll hi, ll we) { mp[u][we] = hi; for(pll v : adj[u]) { if(v.fi == p)continue; dfs(v.fi, u, hi+1, we+v.se); if(mp[u].size() < mp[v.fi].size())swap(mp[u], mp[v.fi]); for(pll x : mp[v.fi]) { if(mp[u].count(we*2+m-x.fi))ans = min(ans, x.se + mp[u][we*2+m-x.fi] - 2 * hi); } for(pll x : mp[v.fi]) { //if(v.fi == 2)cout << x.fi + v.se<<'\n'; if(!mp[u].count(x.fi) || mp[u][x.fi] > x.se) { mp[u][x.fi] = x.se; if(x.fi== m)ans = min(ans, x.se); } } //cout <<u<<" "<< v.fi<<'\n'; } //cout << u << '\n'; //for(pll x : mp[u])cout << x.fi <<" "<<x.se<<'\n'; } int best_path(ll n, ll m, ll h[][2], ll l[]) { //cin >> n >> m; for(int i = 0; i < n-1; i ++) { //cin >> a[i] >> b[i]; a[i] = h[i][0]; b[i] = h[i][1]; c[i] = l[i]; } for(int i = 0; i < n-1; i ++) { //cin >> k; adj[a[i]].pb({b[i], c[i]}); adj[b[i]].pb({a[i], c[i]}); //cout << a[i] <<" "<<b[i] <<" "<<k<<'\n'; } ans = mod; dfs(0, 0, 0, 0); if(ans == mod)ans = -1; return ans; }

컴파일 시 표준 에러 (stderr) 메시지

/tmp/ccdGKu5n.o: In function `main':
grader.cpp:(.text.startup+0x24): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status