Submission #1195366

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Source Code Expand

#include <iostream>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<stdio.h>
#include<queue>
#include<vector>
#include<map>
typedef long long ll;
#define cle(n) memset(n,0,sizeof(n))
#define maxn 100005
using namespace std;

int n,m;
vector<int>edge[maxn];
int in[maxn];
void dfs(int p,int a,int b)
{
    if(a==0) return;

  for(int i=0;i<edge[p].size();i++)
           {
               in[edge[p][i]]=b;
               dfs(edge[p][i],a-1,b);
           }
        // cout<<"fuck"<<endl;
}



int main()
{
  while(scanf("%d%d",&n,&m))
  {
      cle(in);
      for(int i=0;i<m;i++)
        edge[i].clear();

      for(int i=0;i<m;i++)
      {
          int a,b;
          scanf("%d%d",&a,&b);

          edge[a].push_back(b);
           edge[b].push_back(a);
      }

   int num;

   scanf("%d",&num);
   for(int i=0;i<num;i++)
   {
     int p,a,b;
     scanf("%d%d%d",&p,&a,&b);
        ///表示 点  和距离 和  颜色
     in[p]=b;
          dfs(p,a,b);
   }
  // cout<<"输出"<<endl;
   for(int i=1;i<=n;i++)
   cout<<in[i]<<endl;

  }
 return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
           scanf("%d%d",&a,&b);
                              ^
./Main.cpp:50:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&num);
                    ^
./Main.cpp:54:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d%d%d",&p,&a,&b);
                              ^

Judge Result