20 lines
578 B
C

void readEdge (int *i, int *j);
/* Scans input to read a blocked edge.
Returns the indices i and j in m[13][13] of an edge.
Call this function with pointers to the variables
that should receive the values, e.g.
readEdge (&x, &y);
*/
void readStation (int *i, int *j);
/* Scans input to read a station.
Returns the indices i and j in m[13][13] of a station.
*/
void printCrossingName (int i, int j);
/* Print the name of the crossing with indices i and j in m[13][13]/ */
void printMatrix (int m[][13]);
/* Print the elements of the matrix m[13][13]. */