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代码
#include
#define right 'r'
#define lower 'l'
#define lower_right 'i'
#define lower_left 'e'
#define none 'o'
int table[19][19];
int hit_space(int x, int y, char vec)
{
if (vec == right)
{
if (x - 1 >= 0 && table[x - 1][y] == 0)
return 1;
if (x + 4 < 19 && table[x + 4][y] == 0)
return 1;
}
if (vec == lower)
{
if (y - 1 >= 0 && table[x][y - 1] == 0)
return 1;
if (y + 4 < 19 && table[x][y + 4] == 0)
return 1;
}
if (vec == lower_right)
{
if (x - 1 >= 0 && y - 1 >= 0 && table[x - 1][y - 1] == 0)
return 1;
if (x + 4 < 19 && y + 4 < 19 && table[x + 4][y + 4] == 0)
return 1;
}
if (vec == lower_left)
{
if (x - 1 >= 0 && y + 1 < 19 && table[x - 1][y + 1] == 0)
return 1;
if (x + 4 < 19 && y - 4 >= 0 && table[x + 4][y - 4] == 0)
return 1;
}
return 0;
}
int tetra_colinear_on_vec(int x, int y, char vec)
{
if (vec == right)
{
if (x + 3 < 19
&& table[x][y] == table[x + 1][y]
&& table[x + 1][y] == table[x + 2][y]
&& table[x + 2][y] == table[x + 3][y])
return 1;
}
if (vec == lower)
{
if (y + 3 < 19
&& table[x][y] == table[x][y + 1]
&& table[x][y + 1] == table[x][y + 2]
&& table[x][y + 2] == table[x][y + 3])
return 1;
}
if (vec == lower_right)
{
if (x + 3 < 19 && y + 3 < 19
&& table[x][y] == table[x + 1][y + 1]
&& table[x + 1][y + 1] == table[x + 2][y + 2]
&& table[x + 2][y + 2] == table[x + 3][y + 3])
return 1;
}
if (vec == lower_left)
{
if (x + 3 < 19 && y - 3 >= 0
&& table[x][y] == table[x + 1][y - 1]
&& table[x + 1][y - 1] == table[x + 2][y - 2]
&& table[x + 2][y - 2] == table[x + 3][y - 3])
return 1;
}
return 0;
}
char tetra_colinear(int x, int y)
{
char vec;
vec = right;
if (tetra_colinear_on_vec(x, y, vec))
return vec;
vec = lower;
if (tetra_colinear_on_vec(x, y, vec))
return vec;
vec = lower_right;
if (tetra_colinear_on_vec(x, y, vec))
return vec;
vec = lower_left;
if (tetra_colinear_on_vec(x, y, vec))
return vec;
return none;
}
int checkmate()
{
int i, j;
for (i = 0; i < 19; i++)
for (j = 0; j < 19; j++)
{
if (table[i][j] == 1)
{
char vec = tetra_colinear(i, j);
if (vec == right || vec == lower || vec == lower_right||vec==lower_left)
{
if (hit_space(i, j, vec))
{
printf("1:%d,%d\n", i+1, j+1);
return 1;
}
}
}
}
for (i = 0; i < 19; i++)
for (j = 0; j < 19; j++)
{
if (table[i][j] == 2)
{
char vec = tetra_colinear(i, j);
if (vec == right || vec == lower || vec == lower_right || vec == lower_left)
{
if (hit_space(i, j, vec))
{
printf("2:%d,%d\n", i+1, j+1);
return 1;
}
}
}
}
return 0;
}
int main()
{
int i,j;
for (i = 0; i < 19; i++)
for (j = 0; j < 19; j++)
scanf("%d",&table[i][j]);
if (!checkmate())
printf("No\n");
return 0;
}
