Microsoft | Software Engineer Intern (Intern) | Coding | Online Assessment

Minimum Time to Deliver Vaccines There are centre nodes vaccination centres, each with a vaccine status: 1. Status $1$: the centre has a shortage of vaccines. 2. Status $2$: the centre has sufficient vaccines. 3. Status $3$: the centre has a surplus of vaccines. Vaccines can be transferred from surplus centres (status $3$) to shortage centres (status $1$). The centres are connected by a network of bidirectional roads...