Submission #6584911

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<queue>
using namespace std;
const int M=1e5+7;
int a[M],vis[M],b[M];//a记录最短时间，vis记录是否访问过
int n,k,d[10]={1,-1,5,-5,10,-10};//d是他可以前后左右走的点
queue<int>q;
int main()
{
//	freopen("temp.in","r",stdin);
//	freopen("temp.out","w",stdout);
	scanf("%d%d",&n,&k);
    a[n]=0,vis[n]=1;q.push(n);
    while(!q.empty())
	{
        int x=q.front();q.pop();
        if(x==k)break;
        for(int i=0;i<6;i++)
		{
            int y=x+d[i];
            if(y<M&&y>-1&&vis[y]!=1)
			{
				q.push(y);
				vis[y]=1;
                a[y]=a[x]+1;
            }
        }
    }
    cout<<a[k]<<endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^

Judge Result