Submission #424504

#	Time	Username	Problem	Language	Result	Execution time	Memory
424504		MrFrancho	Connecting Supertrees (IOI20_supertrees)	C++14	Compilation error	0 ms	0 KiB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int construct(vector<vector<int>> p) {
    int N = p.size();
    vector<int> group(N,-1);
	bool vis[N]{};
    vector<vector<int>> answer(N);

    for(int i = 0; i < N; i++) {
    	answer[i].assign(N,0);
    }

    for (int i = 0; i < N; i++) {
        if(!vis[i]) {
        	vis[i] = true;
        	group[i] = [i];
        	for(int j = 0; j < N; j++) {
        		if(p[i][j]) {
        			if(vis[j]) return 0;
        			vis[j] = true;
        			answer[i][j] = answer[j][i] = 1;
        			group[j] = i;
        		}
        	}
        }
    }

    /*for(int i = 0; i < connectedGroups.size(); i++) {
        cout << i << ":\n";
        for(auto x: connectedGroups[i])
            cout << x << endl;
    }*/

    for (int i = 0; i < N; i++) {
    	for (int j = 0; j < N; j++) {
    		if(i != j && (group[i] == group[j]) != p[i][j]) {
    			return 0;
    		}
   		}
    }

    build(answer);
    return 1;
}

Compilation message (stderr)

supertrees.cpp: In lambda function:
supertrees.cpp:18:24: error: expected '{' before ';' token
   18 |          group[i] = [i];
      |                        ^
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:18:24: error: cannot convert 'construct(std::vector<std::vector<int> >)::<lambda()>' to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} in assignment