Submission #1195358

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Source Code Expand

#include <bits/stdc++.h>
 using namespace std;
typedef long long int ll ;
typedef long double ld;

#define MOD 1000000007ll
#define all(v) v.begin() , v.end()
#define allr(v) v.rbegin(), v.rend()
#define for0(i,n) for(__typeof(n) i = 0; i < n ; i++) 
#define forab(i,a,b) for(__typeof(a) i = a ; i < b ; i++) 
#define forba(i,b,a) for(__typeof(a) i = b ; i > a ; i--) 
#define forc(c,it) for(__typeof(c.begin()) it = c.begin(); it != c.end(); it++)
#define pb     push_back
#define mp     make_pair
#define MAX 100005

int n , m, a, b, v, d, c, q;
vector<int> adj[MAX];
vector<int> colour(MAX , 0);

int main(int argc, char const *argv[])
{
  ios_base::sync_with_stdio(false);

  scanf("%d %d" , &n , &m);

  for0(i , m)
  {
  	scanf("%d %d" , &a , &b);
  	adj[a].pb(b);
  	adj[b].pb(a);
  }

  scanf("%d" , &q);

  while(q--)
  {
  	scanf("%d %d %d" , &v , &d , &c);
  	vector<bool> visited(n+5 , false);

  	queue<pair<int,int> >qu;
  	qu.push(mp(v,0));

  	while(!qu.empty())
  	{
  		int t = qu.front().first;
  		int r = qu.front().second;
  		visited[t] = true;
  		// printf("%d\n" , t);
  		colour[t] = c;
  		qu.pop();

  		forc(adj[t] , it)
  		{
	  		if(!visited[*it])
	  		{
	  			visited[*it] = true;

	  			if(r < d)
	  				qu.push(mp(*it , r + 1));
	  		}
  			
  		}

  	}

  }

  for(int i = 1 ; i <= n ; i++)
  	printf("%d\n" , colour[i]);


  return 0;
} 

Submission Info

Compile Error

./Main.cpp: In function ‘int main(int, const char**)’:
./Main.cpp:25:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d" , &n , &m);
                           ^
./Main.cpp:29:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d" , &a , &b);
                            ^
./Main.cpp:34:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d" , &q);
                   ^
./Main.cpp:38:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d %d" , &v , &d , &c);
                                    ^

Judge Result