#include <stdio.h>

#define NUMPLACE 3

#define NOP -1.0

//1-D array to keep track of the place names

char places[NUMPLACE] = {

'A',

'B',

'C'

};

//2-D array for the adjacency matrix representation

float roads[NUMPLACE][NUMPLACE] = {

{0.0, 3.5, NOP},

{3.2, 0.0, 2.8},

{3.1, NOP, 0.0}

};

int main(void)

{

int from;

int to;

char origin, dest;

printf("From>> ");

//Obtain the origin's place name from the user and find index associated with the place namespace

scanf("%c", &origin);

for(from=0;from<NUMPLACE;from++)

{

if(places[from]==origin)

break;

}

printf("To>> ");

//Obtain the destination's place name from the user and find index associated with the place name

scanf("%c", &dest);

for(to=0;to<NUMPLACE;to++)

{

if(places[to]== dest)

break;

}

printf("From %c to %c ", places[from], places[to]);

//Obtain the distance from the adjacency matrix.

if ((roads[from][to])!=NOP)

printf("it is %.1f km\n", roads[from][to]);

else

printf(": no direct road.\n");

return 0;

}

**Can anyone please help me to identify what is the problem of this code, I can't get the input I want. It can't display and scan the "To>>" input, why?