Submission #1186905

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Source Code Expand

#include <bits/stdc++.h>
#define ll long long
#define mod 1000000007
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define pi pair<ll,ll>
using namespace std;
int main(){
	//	freopen("in.txt","r",stdin);
	int H,W;
	char C[110][110];
	cin >> H >> W;
	for (int i = 0; i < H; ++i)
	{
		scanf("%s",C[i]);
	}
	for (int i = 0; i < H; ++i)
	{
		printf("%s\n",C[i]);
		printf("%s\n",C[i]);
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",C[i]);
                   ^

Judge Result