Submission #1053277

#TimeUsernameProblemLanguageResultExecution timeMemory
1053277vincentbucourt1Race (IOI11_race)C++14
Compilation error
0 ms0 KiB
#include "race.h" #define ll long long #define f first #define s second const static ll INF = 1e18; const ll MAXN = 200001; static ll N, sumNeed; static vector<pair<ll, ll>> adj[MAXN]; static int depth[MAXN], sum[MAXN]; static map<ll, ll> maps[MAXN]; static ll ans = INF; void dfs (ll node = 0, ll parent = -1) { maps[node][sum[node]] = depth[node]; for (pair<ll, ll> nxt : adj[node]) { ll nodenxt = nxt.f, weightnxt = nxt.s; if (nodenxt == parent) continue; depth[nodenxt] = depth[node] + 1; sum[nodenxt] = sum[node] + weightnxt; dfs(nodenxt, node); if (maps[nodenxt].size() > maps[node].size()) swap(maps[nodenxt], maps[node]); for (pair<ll, ll> elem : maps[nodenxt]) { ll sumOn = elem.f, depthOn = elem.s; ll need = -sumOn + 2*sum[node] + sumNeed; if (maps[node].find(need) != maps[node].end()) { ans = min(ans, maps[node][need] - 2*depth[node] + depthOn); } if (maps[node].find(sumOn) == maps[node].end()) { maps[node][sumOn] = depthOn; } else { maps[node][sumOn] = min(maps[node][sumOn], depthOn); } } maps[nodenxt].clear(); } } int best_path(int N, int K, int H[][2], int L[]) { ::N = N; sumNeed = K; for (int i = 0; i < N-1; i++) { adj[H[i][0]].push_back({H[i][1], L[i]}); adj[H[i][1]].push_back({H[i][0], L[i]}); } dfs(); if (ans == INF) return -1; else return ans; }

Compilation message (stderr)

race.cpp:10:8: error: 'vector' does not name a type
   10 | static vector<pair<ll, ll>> adj[MAXN];
      |        ^~~~~~
race.cpp:13:8: error: 'map' does not name a type
   13 | static map<ll, ll> maps[MAXN];
      |        ^~~
race.cpp: In function 'void dfs(long long int, long long int)':
race.cpp:17:2: error: 'maps' was not declared in this scope
   17 |  maps[node][sum[node]] = depth[node];
      |  ^~~~
race.cpp:18:7: error: 'pair' was not declared in this scope
   18 |  for (pair<ll, ll> nxt : adj[node]) {
      |       ^~~~
race.cpp:2:12: error: expected primary-expression before 'long'
    2 | #define ll long long
      |            ^~~~
race.cpp:18:12: note: in expansion of macro 'll'
   18 |  for (pair<ll, ll> nxt : adj[node]) {
      |            ^~
race.cpp:45:1: error: expected primary-expression before '}' token
   45 | }
      | ^
race.cpp:44:3: error: expected ';' before '}' token
   44 |  }
      |   ^
      |   ;
   45 | }
      | ~  
race.cpp:45:1: error: expected primary-expression before '}' token
   45 | }
      | ^
race.cpp:44:3: error: expected ')' before '}' token
   44 |  }
      |   ^
      |   )
   45 | }
      | ~  
race.cpp:18:6: note: to match this '('
   18 |  for (pair<ll, ll> nxt : adj[node]) {
      |      ^
race.cpp:45:1: error: expected primary-expression before '}' token
   45 | }
      | ^
race.cpp: In function 'int best_path(int, int, int (*)[2], int*)':
race.cpp:52:3: error: 'adj' was not declared in this scope
   52 |   adj[H[i][0]].push_back({H[i][1], L[i]});
      |   ^~~