이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "supertrees.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
int res[1000][1000];
int construct(vector<vi> p)
{
int n=sz(p);
vi circle,line;
set<int>cir,lin;
for (int i=0;i<n;i++)
{
for (int j=0;j<n;j++)
{
if (i==j)continue;
if (p[i][j]==2)
{
if (cir.count(i)==0)
{
cir.insert(i);
circle.pb(i);
}
if (cir.count(j)==0)
{
cir.insert(j);
circle.pb(j);
}
}
else if (p[i][j]==1)
{
if (lin.count(i)==0)
{
lin.insert(i);
line.pb(i);
}
if (lin.count(j)==0)
{
lin.insert(j);
line.pb(j);
}
}
}
}
if (sz(circle)==0)
{
for (int k=0;k<n;k++)
{
for (int i=0;i<n;i++)
{
if (k==i)continue;
if (p[k][i]==1)for (int j=0;j<n;j++)
{
if (p[k][j]!=p[i][j])return 0;
}
}
}
}
vector<vi>answer;
for (int i=0;i<n;i++)
{
vi v;
for (int j=0;j<n;j++)
{
if (i==j)v.pb(0);
else v.pb(p[i][j]);
}
answer.pb(v);
}
build(answer);
return 1;
}
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