Submission #151417

#	Time	Username	Problem	Language	Result	Execution time	Memory
151417		TadijaSebez	JOI 문장 (JOI14_ho_t1)	C++11	100 / 100	162 ms	3420 KiB

2014_ho_t1

#include <bits/stdc++.h>
using namespace std;
const int N=2005;
char flag[N][N],emblem[2][3];
int n,m;
int Check(int x, int y)
{
	if(x<n && y<m && x>0 && y>0)
	{
		for(int i=0;i<2;i++)
			for(int j=0;j<2;j++)
				if(flag[x+i][y+j]!=emblem[i][j]) return 0;
		return 1;
	}
	else return 0;
}
int Calc(int x, int y, char f)
{
	char tmp=flag[x][y];
	int pre=Check(x-1,y-1)+Check(x,y-1)+Check(x-1,y)+Check(x,y);
	flag[x][y]=f;
	int nxt=Check(x-1,y-1)+Check(x,y-1)+Check(x-1,y)+Check(x,y);
	flag[x][y]=tmp;
	return nxt-pre;
}
int main()
{
	int ans=0,mx=0;
	scanf("%i %i",&n,&m);
	for(int i=1;i<=n;i++) scanf("%s",flag[i]+1);
    scanf("%s %s",emblem[0],emblem[1]);
    for(int i=1;i<=n;i++) for(int j=1;j<=m;j++)
	{
		mx=max(mx,Calc(i,j,'J'));
		mx=max(mx,Calc(i,j,'O'));
		mx=max(mx,Calc(i,j,'I'));
		ans+=Check(i,j);
	}
    printf("%i\n",ans+mx);
	return 0;
}

Compilation message (stderr)

2014_ho_t1.cpp: In function 'int main()':
2014_ho_t1.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
2014_ho_t1.cpp:30:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%s",flag[i]+1);
                        ~~~~~^~~~~~~~~~~~~~~~
2014_ho_t1.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s %s",emblem[0],emblem[1]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70