Submission #732760

#	Time	Username	Problem	Language	Result	Execution time	Memory
732760		raul2008487	Connecting Supertrees (IOI20_supertrees)	C++17	Compilation error	0 ms	0 KiB

supertrees

#include "supertrees.h"
#include<algorithm>
#include <vector>
std::vector<std::vector<int>> ans;
std::vector<bool> vis;
std::vector<std::vector<int>> dp;
void dfs(int i, int j, int n){
    vis[j]=1;
    for(int k1=j+1;k1<n;k1++){
        if(dp[j][k1] && !vis[k1]){
            ans[j][k1]=ans[k1][j]=1;
            dfs(j,k1,n);
        }
    }
}	
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	vis.resize(n,false);
	for(int i=0;i<n;i++){
	    std::vector<int> row;
	    row.resize(n,0);
	    ans.push_back(row);
	}
	for(int i=0;i<n;i++){
	    std::vector<int> d;
	    for(int j=0;j<n;j++){
	        d.push_backb(p[i][j]);
	    }
	    dp.push_back(d);
	}
	for (int i = 0; i < n; i++) {
	    if(!vis[i]){
	        vis[i]=1;
	        for(int j=i+1;j<n;j++){
		        if(p[i][j] && !vis[j]){ 
		            ans[i][j]=ans[j][i]=1;
		            dfs(i,j,n);
		        }
		    }
	    }
	}
	build(ans);
	return 1;
}

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:27:12: error: 'class std::vector<int>' has no member named 'push_backb'; did you mean 'push_back'?
   27 |          d.push_backb(p[i][j]);
      |            ^~~~~~~~~~
      |            push_back