Submission #1194998

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Source Code Expand

#include<bits/stdc++.h>
#include<vector>
#define N 100005
using namespace std;
vector<int> G[N];
int n,m,q,dp[11][N],c[N];
int main()
{
	int i,j,k,x,y;
	scanf("%d %d",&n,&m);
	for(i=1;i<=m;i++){
		scanf("%d %d",&x,&y);
		G[x].push_back(y);
		G[y].push_back(x);
	  }
	scanf("%d",&q);
	for(i=1;i<=q;i++){
		scanf("%d %d %d",&x,&y,&c[i]);
		dp[y][x]=i;
	  }
	for(i=10;i>=1;i--)
		for(j=1;j<=n;j++){
			dp[i-1][j]=max(dp[i-1][j],dp[i][j]);
			for(k=0;k<G[j].size();k++)
				dp[i-1][G[j][k]]=max(dp[i-1][G[j][k]],dp[i][j]);
		  }
	for(i=1;i<=n;i++)
		printf("%d\n",c[dp[0][i]]);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
                      ^
./Main.cpp:12:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x,&y);
                       ^
./Main.cpp:16:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
                ^
./Main.cpp:18:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&x,&y,&c[i]);
                                ^

Judge Result