Submission #65431202

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Source Code Expand

#include <bits/stdc++.h>
#define _F(x,y,z) for(int x=y;x<=z;x++)
#define F_(x,z,y) for(int x=z;x>=y;x--)
#define TF(x,y,z) for(int x=head[y],z;x;x=nex[x])
#define GF(x,y,z) for(int x:z[y])

using namespace std;

typedef long long ll;
typedef double dou;
typedef const int ci;
typedef pair<int,int> pii;

ci maxn=2e3+10;

int n,ans=0x3f3f3f3f;
char s[maxn][maxn],t[maxn][maxn],x[maxn][maxn];
void rotate()
{
	_F(i,1,n)
	{
		_F(j,1,n)
		{
			x[j][n-i+1]=s[i][j];
		}
	}
	_F(i,1,n)
	{
		_F(j,1,n)
		{
			s[i][j]=x[i][j];
		}
	}
}
int check()
{
	int cnt=0;
	_F(i,1,n)
	{
		_F(j,1,n)
		{
			cnt+=(s[i][j]!=t[i][j]);
		}
	}
	return cnt;
}
int main()
{
	scanf("%d",&n);
	_F(i,1,n)
	{
		scanf("%s",s[i]+1);
	}
	_F(i,1,n)
		scanf("%s",t[i]+1);
	ans=min(ans,check());
	rotate();
	ans=min(ans,check()+1);
	rotate();
	ans=min(ans,check()+2);
	rotate();
	ans=min(ans,check()+3);
	printf("%d",ans);
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:49:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   49 |         scanf("%d",&n);
      |         ~~~~~^~~~~~~~~
Main.cpp:52:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   52 |                 scanf("%s",s[i]+1);
      |                 ~~~~~^~~~~~~~~~~~~
Main.cpp:55:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   55 |                 scanf("%s",t[i]+1);
      |                 ~~~~~^~~~~~~~~~~~~

Judge Result