Submission #1194672

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define pi M_PI
#define R cin>>
#define Z class
#define ll long long
#define ln cout<<'\n'
#define in(a) insert(a)
#define pb(a) push_back(a)
#define pd(a) printf("%.10f\n",a)
#define mem(a) memset(a,0,sizeof(a))
#define all(c) (c).begin(),(c).end()
#define iter(c) __typeof((c).begin())
#define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--)
#define REP(i,m,n) for(int i=(int)(m);i<(int)(n);i++)
#define rep(i,n) REP(i,0,n)
#define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++)
template<Z A>void pr(A a){cout<<a;ln;}
template<Z A,Z B>void pr(A a,B b){cout<<a<<' ';pr(b);}
template<Z A,Z B,Z C>void pr(A a,B b,C c){cout<<a<<' ';pr(b,c);}
template<Z A,Z B,Z C,Z D>void pr(A a,B b,C c,D d){cout<<a<<' ';pr(b,c,d);}
template<Z A>void PR(A a,ll n){rep(i,n){if(i)cout<<' ';cout<<a[i];}ln;}
ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}
const ll MAX=1000000007,MAXL=1LL<<61,dx[4]={-1,0,1,0},dy[4]={0,1,0,-1};
typedef pair<int,int> P;

void Main() {
  ll n,m,q;
  cin >> n >> m;
  vector<int> v[n];
  rep(i,m) {
    int x,y;
    cin >> x >> y;
    x--,y--;
    v[x].pb(y);
    v[y].pb(x);
  }
  R q;
  int c[n];
  mem(c);
  while(q--) {
    int d[n];
    fill(d,d+n,MAX);
    int s,t,r;
    cin >> s >> t >> r;
    s--;
    d[s]=0;
    c[s]=r;
    queue<int> que;
    que.push(s);
    while(!que.empty()) {
      int x=que.front();que.pop();
      rep(i,v[x].size()) {
        int y=v[x][i];
        if(d[y]<=d[x]+1) continue;
        d[y]=d[x]+1;
        c[y]=r;
        if(d[y]<t) que.push(y);
      }
    }
  }
  rep(i,n) pr(c[i]);
}

int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}

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