Submission #985743

#	Time	Username	Problem	Language	Result	Execution time	Memory
985743		user736482	Connecting Supertrees (IOI20_supertrees)	C++17	Compilation error	0 ms	0 KiB

supertrees

#include<bits/stdc++.h>
#include "supertrees.h"
using namespace std;
vector<pair<int,int>>edges;
int n;


int construct(vector<vector<int>> p){
    n=(int)p.size();
    int odp[n][n];
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            odp[i][j]=0;
        }
    }
    bool ifdeleted[n];
    for(int i=0;i<n;i++){
        ifdeleted[i]=0;
    }
    for(int i=0;i<n;i++){
        if(ifdeleted[i])
            continue;
        vector<int>same;
        for(int j=0;j<n;j++){
            if(p[i][j]==1){
                if(p[i]==p[j])
                    same.push_back(j);
                else
                    return 0;
            }
        }
        for(int j=1;j<(int)same.size();j++){
            edges.push_back({same[j-1],same[j]});
            ifdeleted[same[j]]=1;
            for(int k=0;k<n;k++){
                p[k][same[j]]=-1;
            }
        }
    }
    for(int i=0;i<(int)edges.size();i++){
        //cout<<edges[i].first<<" "<<edges[i].second<<"\n";
        odp[edges[i].first][edges[i].second]=1;
        odp[edges[i].second][edges[i].first]=1;
    }
    build(odp);
    return 1;
}
/*int main(){
    construct({{1, 1, 2, 2}, {1, 1, 2, 2}, {2, 2, 1, 2}, {2, 2, 2, 1}});
    return 0;
}*/

Compilation message (stderr)

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:45:11: error: could not convert '(int (*)[n])(& odp)' from 'int (*)[n]' to 'std::vector<std::vector<int> >'
   45 |     build(odp);
      |           ^~~
      |           |
      |           int (*)[n]