제출 #1016116

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1016116		vjudge1	Patkice (COCI20_patkice)	C++17	50 / 50	1 ms	440 KiB

patkice

#include <bits/stdc++.h>

using namespace std;

const int M = 101;

char a[M][M];

pair<char,int> calc(int x,int y)
{
	pair<char,int> ans;
	if (a[x][y]=='^')
		ans=calc(x-1,y);
	else if (a[x][y]=='>')
		ans=calc(x,y+1);
	else if (a[x][y]=='<')
		ans=calc(x,y-1);
	else if(a[x][y]=='v')
		ans=calc(x+1,y);
	else
		return {a[x][y],0};
	ans.second++;
	return ans;
}

int main()
{
	int n,m;
	cin>>n>>m;
	int sti,stj;
	for (int i=0;i<n;i++)
		for (int j=0;j<m;j++)
		{
			cin>>a[i][j];
			if (a[i][j]=='o')
				sti=i,stj=j;
		}
	int px[4]={0,-1,1,0},py[4]={1,0,0,-1};
	string dir="ENSW";
	int mn=M*M;
	char ans;
	for (int d=0;d<4;d++)
	{
		int ci=sti+px[d],cj=stj+py[d];
		auto x=calc(ci,cj);
		if (x.first=='x')
		{
			if (mn>x.second)
				mn=x.second,ans=dir[d];
		}
	}
	if (mn<M*M)
	{
		cout<<":)"<<endl;
		cout<<ans<<endl;
	}
	else
		cout<<":("<<endl;
	
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

patkice.cpp: In function 'int main()':
patkice.cpp:44:20: warning: 'stj' may be used uninitialized in this function [-Wmaybe-uninitialized]
   44 |   int ci=sti+px[d],cj=stj+py[d];
      |                    ^~
patkice.cpp:44:7: warning: 'sti' may be used uninitialized in this function [-Wmaybe-uninitialized]
   44 |   int ci=sti+px[d],cj=stj+py[d];
      |       ^~

• Subtask 1: 30 / 30
• Subtask 2: 20 / 20