write a C program which produces a time table and write it both into a file as well as to the standard output. The time table is written into a file. The file name is specified in the program using a symbolic constant. The time table has the appearance of a grid lines realized by way of a number of dashes while vertical seprators are realized with the pipe symbol. Following is the sample output of the program

| 1l 2 3 4 5 6 7 8 9 10 l 21 4 61 8l 10l 12| 14| 16 18l 20 3 6 9 12| 15l 18 21 24| 27| 30l I 4l 8 12| 16| 20| 24| 28| 32| 36| 40 | I 5l 10l 15| 20l 25l 30l 35| 40 45 50 | l6 12 18| 241 30| 36| 42 48| 54| 60 | 7| 141 211 281 351 42| 49| 56| 63| 7e1 l 8l 16l 24l 32 40 481 56 64 721 80l I 91 18 27| 36 45 54| 63| 72| 81| 90 | 10| 20 30l 40l 50l 60l 70l 80 90|100 | 13 691 121 151 18