Submission #898947

#	Time	Username	Problem	Language	Result	Execution time	Memory
898947		vjudge1	Magic Tree (CEOI19_magictree)	C++17	Compilation error	0 ms	0 KiB

magictree

#include <bits/stdc++.h>
#define pb push_back
#define f first
#define s second
#define dbg(x) cout << "reached here " << x << endl;
#define ll long long 

using namespace std;
typedef pair<int, int> pii;

const int maxn = 2e5+5;
int a[maxn];
vector<int> adj[maxn];
map<int, int> sack[maxn];

void merge(int v, int u)
{
    for (auto e: sack[u])
        sack[v][e.f] += e.s;
}

void dfs(int v)
{

    for(auto u: adj[v])
    {
        dfs(u);
        if(sack[u].size() > sack[v].size())
            sack[v].swap(sack[u]);
    }

    for (auto u: adj[v])
        merge(v, u);       


    if(a[v])
    {
        int h = 0;
        auto it = sack[v].rbegin();
        if(sack[v].size() > 0)
            if((*it).f > a[v])
                h += (*it).s;

        if(sack[v].size() > 1)
        {
            auto it3 = sack[v].rbegin();
             it3--;
            if((*it3).f > a[v])
                h += (*it3).s;
        }

        if(h <= 1)
        {
            auto it2 = sack[v].rbegin();
            sack[v][a[v]]++; 
            while((*it2).f > a[v] and it2 != sack[v].rend())
            {
                
                auto del = sack[v].find((*it2).f);
                sack[v].erase(del);
                it2++;
            }            
        }
    }
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, m, k;
    cin >> n >> m >> k;

    for (int i = 2; i <= n; ++i)
    {
        int p;
        cin >> p;
        adj[p].pb(i);
    }

    for (int i = 1; i <= m; ++i)
    {
        int v, d, w;
        cin >> v >> d >> w;
        a[v] = d;
    }

    dfs(1);

    int ans = 0;
    for (auto u: sack[1])
        ans += u.s;
    cout << ans << endl;

    return 0;
}

Compilation message (stderr)

magictree.cpp:18:1: error: extended character   is not valid in an identifier
   18 |     for (auto e: sack[u])
      | ^
magictree.cpp:18:1: error: extended character   is not valid in an identifier
magictree.cpp:18:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
   19 |         sack[v][e.f] += e.s;
      | ^
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:19:1: error: extended character   is not valid in an identifier
magictree.cpp:25:1: error: extended character   is not valid in an identifier
   25 |     for(auto u: adj[v])
      | ^
magictree.cpp:25:1: error: extended character   is not valid in an identifier
magictree.cpp:25:1: error: extended character   is not valid in an identifier
magictree.cpp:26:1: error: extended character   is not valid in an identifier
   26 |     {
      | ^
magictree.cpp:26:1: error: extended character   is not valid in an identifier
magictree.cpp:26:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
   27 |         dfs(u);
      | ^
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:27:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
   28 |         if(sack[u].size() > sack[v].size())
      | ^
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:28:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
   29 |             sack[v].swap(sack[u]);
      | ^
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:29:1: error: extended character   is not valid in an identifier
magictree.cpp:30:1: error: extended character   is not valid in an identifier
   30 |     }
      | ^
magictree.cpp:30:1: error: extended character   is not valid in an identifier
magictree.cpp:30:1: error: extended character   is not valid in an identifier
magictree.cpp:32:1: error: extended character   is not valid in an identifier
   32 |     for (auto u: adj[v])
      | ^
magictree.cpp:32:1: error: extended character   is not valid in an identifier
magictree.cpp:32:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
   33 |         merge(v, u);      
      | ^
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:1: error: extended character   is not valid in an identifier
magictree.cpp:33:28: error: extended character   is not valid in an identifier
   33 |         merge(v, u);      
      |                     ^
magictree.cpp:33:28: error: extended character   is not valid in an identifier
magictree.cpp:33:28: error: extended character   is not valid in an identifier
magictree.cpp:33:28: error: extended character   is not valid in an identifier
magictree.cpp:33:28: error: extended character   is not valid in an identifier
magictree.cpp:33:28: error: extended character   is not valid in an identifier
magictree.cpp:36:1: error: extended character   is not valid in an identifier
   36 |     if(a[v])
      | ^
magictree.cpp:36:1: error: extended character   is not valid in an identifier
magictree.cpp:36:1: error: extended character   is not valid in an identifier
magictree.cpp:37:1: error: extended character   is not valid in an identifier
   37 |     {
      | ^
magictree.cpp:37:1: error: extended character   is not valid in an identifier
magictree.cpp:37:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
   38 |         int h = 0;
      | ^
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:38:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
   39 |         auto it = sack[v].rbegin();
      | ^
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:39:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
   40 |         if(sack[v].size() > 0)
      | ^
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:40:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
   41 |             if((*it).f > a[v])
      | ^
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:41:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
   42 |                 h += (*it).s;
      | ^
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:42:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
   44 |         if(sack[v].size() > 1)
      | ^
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:44:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
   45 |         {
      | ^
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:45:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
   46 |             auto it3 = sack[v].rbegin();
      | ^
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:46:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
   47 |              it3--;
      | ^
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:47:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
   48 |             if((*it3).f > a[v])
      | ^
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:48:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
   49 |                 h += (*it3).s;
      | ^
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:49:1: error: extended character   is not valid in an identifier
magictree.cpp:50:1: error: extended character   is not valid in an identifier
   50 |         }
      | ^
magictree.cpp:50:1: error: extended character   is not valid in an identifier
magictree.cpp:50:1: error: extended character   is not valid in an identifier
magictree.cpp:50:1: error: extended character   is not valid in an identifier
/var/local/lib/iso