Heap memory for matrix and elapsed time

sequential/Makefile

@@ -1,12 +1,15 @@
-CC=gcc
+CC=mpicc
 CFLAGS=-Wall -lm -std=c99
 
-all: config jacobi_sequential.c
-	${CC} ${CFLAGS} config.o jacobi_sequential.c -o jacobi.out
+all: config utils jacobi_sequential.c
+	${CC} ${CFLAGS} config.o utils.o jacobi_sequential.c -o jacobi.out
 
 config: ../config/config.c
 	${CC} -c ${CFLAGS} ../config/config.c
 
+utils: ../utils/utils.c
+	${CC} -c ${CFLAGS} ../utils/utils.c
+
 .PHONY: clean
 clean:
 	rm -f *.out *.o