Submission #674680

#	Time	Username	Problem	Language	Result	Execution time	Memory
674680		Nicolas125841	Burza (COCI16_burza)	Java	Compilation error	0 ms	0 KiB

burza

#include <bits/stdc++.h>
 
using namespace std;
 
#define YES "DA"
#define NO "NE"
 
vector<vector<int>> layers;
vector<int> ways;
unordered_map<int, bitset<400>> coverage;
 
bitset<400> dfs(vector<vector<int>> &mp, int n, int p, int d, int k){
    if(layers.size() == d){
        layers.push_back(vector<int>());
        ways.push_back(0);
    }
 
    if(d == k){
        coverage[n] |= 1;
        coverage[n] <<= layers[d].size();
    }
 
    layers[d].push_back(n);
 
    for(int v : mp[n]){        
        if(v != p){
            bitset<400> res = dfs(mp, v, n, d+1, k);
 
            if(layers.size() > k && d < k)
                coverage[n] |= res;           
        }
    }
 
    if(coverage[n] != 0)
        ways[d]++;

    return coverage[n];
}
 
int main(){
    cin.tie(NULL)->sync_with_stdio(false);
 
    int n, k;
    cin >> n >> k;
 
    vector<vector<int>> mp(n, vector<int>());    
 
    for(int i = 0; i < n-1; i++){
 
        int u, v;
        cin >> u >> v;
 
        mp[--u].push_back(--v);
        mp[v].push_back(u);
 
    }
    
    dfs(mp, 0, -1, 0, k);
    
    if(layers.size() <= k)
        cout << YES << "\n";
    else{
        unordered_set<bitset<400>> cur, prev = {bitset<400>()};
        bool g = false;
 
        for(int i = 1; i <= k; i++){
            for(bitset<400> bs : prev){
                for(int v : layers[i]){
                    if(coverage[v] == 0 || (coverage[v].count() == 1 && layers[k].size()-bs.count() > (k-1)+1))
                        continue;

                    if((coverage[v] & bs) == 0){
                        cur.insert(coverage[v] | bs);

                        if((coverage[v] | bs).count() == layers[k].size())
                            g = true;
                    }                
                }
            }
 
            swap(cur, prev);
            cur.clear();
        }
 
        cout << (g ? YES : NO) << "\n";
    }
 
    
}

Compilation message (stderr)

burza.java:1: error: illegal character: '#'
#include <bits/stdc++.h>
^
burza.java:1: error: class, interface, or enum expected
#include <bits/stdc++.h>
         ^
burza.java:5: error: illegal character: '#'
#define YES "DA"
^
burza.java:5: error: class, interface, or enum expected
#define YES "DA"
        ^
burza.java:6: error: illegal character: '#'
#define NO "NE"
^
burza.java:9: error: class, interface, or enum expected
vector<int> ways;
^
burza.java:10: error: class, interface, or enum expected
unordered_map<int, bitset<400>> coverage;
^
burza.java:12: error: class, interface, or enum expected
bitset<400> dfs(vector<vector<int>> &mp, int n, int p, int d, int k){
^
burza.java:15: error: class, interface, or enum expected
        ways.push_back(0);
        ^
burza.java:16: error: class, interface, or enum expected
    }
    ^
burza.java:20: error: class, interface, or enum expected
        coverage[n] <<= layers[d].size();
        ^
burza.java:21: error: class, interface, or enum expected
    }
    ^
burza.java:25: error: class, interface, or enum expected
    for(int v : mp[n]){        
    ^
burza.java:29: error: class, interface, or enum expected
            if(layers.size() > k && d < k)
            ^
burza.java:31: error: class, interface, or enum expected
        }
        ^
burza.java:37: error: class, interface, or enum expected
    return coverage[n];
    ^
burza.java:38: error: class, interface, or enum expected
}
^
burza.java:43: error: class, interface, or enum expected
    int n, k;
    ^
burza.java:44: error: class, interface, or enum expected
    cin >> n >> k;
    ^
burza.java:46: error: class, interface, or enum expected
    vector<vector<int>> mp(n, vector<int>());    
    ^
burza.java:48: error: class, interface, or enum expected
    for(int i = 0; i < n-1; i++){
    ^
burza.java:48: error: class, interface, or enum expected
    for(int i = 0; i < n-1; i++){
                   ^
burza.java:48: error: class, interface, or enum expected
    for(int i = 0; i < n-1; i++){
                            ^
burza.java:51: error: class, interface, or enum expected
        cin >> u >> v;
        ^
burza.java:53: error: class, interface, or enum expected
        mp[--u].push_back(--v);
        ^
burza.java:54: error: class, interface, or enum expected
        mp[v].push_back(u);
        ^
burza.java:56: error: class, interface, or enum expected
    }
    ^
burza.java:60: error: class, interface, or enum expected
    if(layers.size() <= k)
    ^
burza.java:62: error: class, interface, or enum expected
    else{
    ^
burza.java:64: error: class, interface, or enum expected
        bool g = false;
        ^
burza.java:66: error: class, interface, or enum expected
        for(int i = 1; i <= k; i++){
        ^
burza.java:66: error: class, interface, or enum expected
        for(int i = 1; i <= k; i++){
                       ^
burza.java:66: error: class, interface, or enum expected
        for(int i = 1; i <= k; i++){
                               ^
burza.java:72: error: class, interface, or enum expected
                    if((coverage[v] & bs) == 0){
                    ^
burza.java:75: error: class, interface, or enum expected
                        if((coverage[v] | bs).count() == layers[k].size())
                        ^
burza.java:77: error: class, interface, or enum expected
                    }                
                    ^
burza.java:82: error: class, interface, or enum expected
            cur.clear();
            ^
burza.java:83: error: class, interface, or enum expected
        }
        ^
burza.java:86: error: class, interface, or enum expected
    }
    ^
39 errors