Submission #1441220

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Source Code Expand

#include<iostream>
#include<cstdio>
using namespace std;
char a[110][110];
int n,m;
int main()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)cin>>a[i][j];
	}
	for(int i=1;i<=n+n;i++)
	{
		for(int j=1;j<=m;j++)printf("%c",a[(i+1)/2][j]);
		puts("");
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^

Judge Result