conda activate acoenv
mpicc -lstdc++ -lm -lpthread parallel_acop.cpp
mpirun -n 4 ./a.out wi29 100
If you want to run with a different instance your first need to configure the ants.h file with the max nodes = to the instance size According to the instance coordinates, if you have int then you need to configure the int x and int y in the ants.h and in the parallel_aco construct tsp function