Codeforces Ilya and tic-tac-toe game
/*
Lionel Messi is such a player that you may catch him, you may touch him, you may feel him
and definitely you may Love him.
Lionel Messi is Messi. A little Magician in this World.
*/
#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0)
#define bfast cin.tie(0)
#define outs(x) cout << x << " "
#define outn(x) cout << x << "\n"
#define sf scanf
#define pf printf
#define nl puts("")
#define psb push_back
typedef long long LL;
typedef vector<int>vii;
typedef vector<LL>vll;
typedef unsigned long long ull;
const int mod = 1000007;
const int high = 4;
char ch[5][5];
bool horizontal()
{
int i , j;
bool decision=false;
for(i=0; i<high; i++)
{
for(j=0; j<high; j++)
{
if(ch[i][j] == 'x')
{
if(ch[i][j+1]=='x' and ch[i][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i][j+1]=='.' and ch[i][j+2]=='x')
{
decision = true;
break;
}
}
else if(ch[i][j] == '.')
{
if(ch[i][j+1]=='x' and ch[i][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision) break;
}
if(decision) return true;
else return false;
}
bool vertical()
{
int i , j;
bool decision = false;
for(j=0; j<high; j++)
{
for(i=0; i<high; i++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j] == 'x' and ch[i+2][j] == '.')
{
decision = true;
break;
}
else if(ch[i+1][j] == '.' and ch[i+2][j] == 'x')
{
decision = true;
break;
}
}
else if(ch[i][j] == '.')
{
if(ch[i+1][j]=='x' and ch[i+2][j] == 'x')
{
decision = true;
break;
}
}
}
if(decision) break;
}
if(decision) return true;
else return false;
}
bool diagonal_one()
{
int i , j;
bool decision = false;
for(i=0 , j=2; i<3 and j>=0; i++ , j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else
{
decision = false;
for(i=1 , j=high-1; i<4 and j>0; i++, j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else
{
for(i=0 , j=high-1; i<high and j>=0; i++, j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else return false;
}
}
}
bool diagonal_two()
{
int i , j;
bool decision = false;
//cout << "jjjjj";
for(i=1 , j=0; i<4 and j<3; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(1);
return true;
}
else
{
decision = false;
for(i=0, j=0; i<high and j<high; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(2);
return true;
}
else
{
decision = false;
for(i=0, j=1; i<3 and j<high; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(3);
return true;
}
else return false;
}
}
//cout << "hfff";
}
int main()
{
fast;
int i , j;
bool decision=false;
for(i=0; i<high; i++)
{
for(j=0; j<high; j++)
{
cin >> ch[i][j];
}
}
// bool t = diagonal_two();
// cout << t << " ";
if(horizontal()) outn("YES");
else if(vertical()) outn("YES");
else if(diagonal_one()) outn("YES");
else if(diagonal_two()) outn("YES");
else outn("NO");
return 0;
}
Lionel Messi is such a player that you may catch him, you may touch him, you may feel him
and definitely you may Love him.
Lionel Messi is Messi. A little Magician in this World.
*/
#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0)
#define bfast cin.tie(0)
#define outs(x) cout << x << " "
#define outn(x) cout << x << "\n"
#define sf scanf
#define pf printf
#define nl puts("")
#define psb push_back
typedef long long LL;
typedef vector<int>vii;
typedef vector<LL>vll;
typedef unsigned long long ull;
const int mod = 1000007;
const int high = 4;
char ch[5][5];
bool horizontal()
{
int i , j;
bool decision=false;
for(i=0; i<high; i++)
{
for(j=0; j<high; j++)
{
if(ch[i][j] == 'x')
{
if(ch[i][j+1]=='x' and ch[i][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i][j+1]=='.' and ch[i][j+2]=='x')
{
decision = true;
break;
}
}
else if(ch[i][j] == '.')
{
if(ch[i][j+1]=='x' and ch[i][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision) break;
}
if(decision) return true;
else return false;
}
bool vertical()
{
int i , j;
bool decision = false;
for(j=0; j<high; j++)
{
for(i=0; i<high; i++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j] == 'x' and ch[i+2][j] == '.')
{
decision = true;
break;
}
else if(ch[i+1][j] == '.' and ch[i+2][j] == 'x')
{
decision = true;
break;
}
}
else if(ch[i][j] == '.')
{
if(ch[i+1][j]=='x' and ch[i+2][j] == 'x')
{
decision = true;
break;
}
}
}
if(decision) break;
}
if(decision) return true;
else return false;
}
bool diagonal_one()
{
int i , j;
bool decision = false;
for(i=0 , j=2; i<3 and j>=0; i++ , j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else
{
decision = false;
for(i=1 , j=high-1; i<4 and j>0; i++, j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else
{
for(i=0 , j=high-1; i<high and j>=0; i++, j--)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j-1]=='.' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j-1]=='x' and ch[i+2][j-2]=='x')
{
decision = true;
break;
}
}
}
if(decision) return true;
else return false;
}
}
}
bool diagonal_two()
{
int i , j;
bool decision = false;
//cout << "jjjjj";
for(i=1 , j=0; i<4 and j<3; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(1);
return true;
}
else
{
decision = false;
for(i=0, j=0; i<high and j<high; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(2);
return true;
}
else
{
decision = false;
for(i=0, j=1; i<3 and j<high; i++, j++)
{
if(ch[i][j] == 'x')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='.')
{
decision = true;
break;
}
else if(ch[i+1][j+1]=='.' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
//else if(ch[i][j] == 'o') x=0;
else if(ch[i][j] == '.')
{
if(ch[i+1][j+1]=='x' and ch[i+2][j+2]=='x')
{
decision = true;
break;
}
}
}
if(decision)
{
//outn(3);
return true;
}
else return false;
}
}
//cout << "hfff";
}
int main()
{
fast;
int i , j;
bool decision=false;
for(i=0; i<high; i++)
{
for(j=0; j<high; j++)
{
cin >> ch[i][j];
}
}
// bool t = diagonal_two();
// cout << t << " ";
if(horizontal()) outn("YES");
else if(vertical()) outn("YES");
else if(diagonal_one()) outn("YES");
else if(diagonal_two()) outn("YES");
else outn("NO");
return 0;
}
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