Submission #447347

#	Time	Username	Problem	Language	Result	Execution time	Memory
447347		Nodir_Bobiev	Connecting Supertrees (IOI20_supertrees)	C++17	Compilation error	0 ms	0 KiB

supertrees

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

int construct(std::vector<std::vector<int>> p) {
      int n = p.size();
      vector<std::vector<int>> answer;
      for (int i = 0; i < n ; i++ ) {
            vector<int> row;
            row.resize(n);
            for(int j = 0; j < n; j ++){
               
                else if( i == 1 ){
                    if( j != 1 ) row[j] = 1;
                }
                else{
                    if( j == 1 ) row[j] = 1;
                }
            }
            answer.push_back(row);
      }
      build(answer);
      return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:13:17: error: 'else' without a previous 'if'
   13 |                 else if( i == 1 ){
      |                 ^~~~