The phrase "problem has increased" is grammatically correct and can be used in written English.
It is typically used to describe a situation where an issue or difficulty has become more widespread or severe. Example: "The problem of pollution has increased in recent years due to the increase in industrialization and population growth."
As expected, the increased complexity of the multi-agent problem compared with the single-agent problem has increased the computational time for consensus.
"The government has spent £1bn on truancy but the problem has increased over the last few years.
In some of the low-income neighborhoods, there are small signs that awareness of obesity as a problem has increased.
And the speed with which we can follow the trail of an idea, or discover new perspectives on a problem, has increased by several orders of magnitude.
It said the scale of the problem has increased over the past three years and the flow of foreign fighters "is higher than it has ever been historically".
"We've always had problems with divorce, and the drug problem has increased," said Michael Caputi, the guidance counselor at Cherry Hill East High School for the past eight years, and who has been in the education field for 31 years.
It said the scale of the problem had increased over the past three years and the flow of foreign fighters was "higher than it has ever been historically".
He said the scale of the problem had increased over the last 10 years, adding that terrorists no longer had a coherent, identifiable command and control structure such as in the past.
A Higher Education Funding Council for England report published in September found the number of students declaring a mental health problem had increased from just under 8,000 in 2008-09 to nearly 18,000 in 2012-13, and predicted the trend would continue.
Mandy Brammer, the deputy superintendent registrar for Brent, said the problem had increased in the north London borough which sometimes saw five or six suspected sham marriages a week.
The problem had increased in intensity during the last year.
