At the moment, we are facing the pandemic of Covid-19. The virus
spreads due to people's mobility and the crowd. However, the
government plans to conduct the general election on 7 November
2020, and starting from 1 October, each political party and
candidate may start the campaign. Now, the problem is as follows:
a) each candidate may follow the COVID-19 protocol during the
campaign, by doing the campaign via zoom/ google meets (online
campaign). They may also do the campaign...