% mpicc -o bcast2 bcast2.c % mpirun -np 4 bcast2 1 1.1 Process 1 got 1 and 1.100000 20 2.6 Process 1 got 20 and 2.600000 -1 1.1 Process 1 got -1 and 0.000000 Process 3 got 1 and 1.100000 Process 3 got 20 and 2.600000 Process 3 got -1 and 0.000000 Process 2 got 1 and 1.100000 Process 2 got 20 and 2.600000 Process 2 got -1 and 0.000000 Process 0 got 1 and 1.100000 Process 0 got 20 and 2.600000 Process 0 got -1 and 0.000000