#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
#define sz(x) ll(x.size())
#define base 1000000
#define M ll(1e9+7)
#define N 3005
#define F first
#define S second
#define pb push_back
#define in insert
#define eb emplace_back
#define ed "\n"
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef short int si;
//typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
int rk[N], pr[N], n, a[N][N], clr[N], kol;
vector <int> g[N];
vector <pair <int, int> > vr;
int fnd(int x) {if (pr[x] != x) pr[x] = fnd(pr[x]); return pr[x];}
void link(int x, int y) {if (fnd(x) == fnd(y)) return; g[x].pb(y); g[y].pb(x); x = fnd(x); y = fnd(y); if (rk[x] < rk[y]) swap(x, y); rk[x] += rk[y]; pr[y] = x;}
void dfs(int v, int p)
{
int color = -1;
for (auto it : vr) if (it.F == a[it.S][v]) color = clr[it.S];
if (color == -1) clr[v] = ++kol;
for (auto it : vr) if (clr[it.S] != clr[v]) it.F++;
vr.pb({1, v});
for (auto it : g[v])
{
if (it == p) continue;
dfs(it, v);
}
for (auto it : vr) if (clr[it.S] != clr[v]) it.F--;
}
int main()
{
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> n;
for (int i = 1; i <= n; i++) {rk[i] = 1; pr[i] = i;}
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++) cin >> a[i][j];
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
if (a[i][j] == 1) link(i, j);
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
if (a[i][j] == 2) link(i, j);
dfs(1, -1);
for (int i = 1; i <= n; i++)
cout << clr[i] << " ";
cout << '\n';
for (int i = 1; i <= n; i++)
for (auto it : g[i])
if (it > i) cout << i << " " << it << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
512 KB |
Integer 0 violates the range [1, 30] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
588 ms |
53724 KB |
Integer 0 violates the range [1, 3000] |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
512 KB |
Integer 0 violates the range [1, 30] |
2 |
Halted |
0 ms |
0 KB |
- |