Can a president really eleminate 99.9% Drug Problem in a country in just 6 months?

Our new president elect Rodrigo Duterte. Winner of the twenty-sixteen May elections by a landslide of sixteen million votes. vows to all drug pushers in the country that if you don't surrender "I Will Kill You" it's sounds harsh and too much.. but what happened now to our country? After naming 5 Generals in public who are protector of the drug syndicate

Twenty-one thousand drug criminals peacefully and voluntarily surrendered themselves to the police and politicians. Law enforcers and makers were no exemption to justice and order.

Surprise drug tests within the ranks and regional offices of the Philippine National Police (PNP) were conducted. The maverick president named five police generals by surprise on live television during the 69th anniversary of the Philippine Air Force.

The plot thickens as PNP Director General Ronald de la Rosa announced that President Duterte has the list of twenty-three mayors involved in the drug trade as well.
over 110 people have been killed by police following the leader’s call to target drug dealers and drug addicts in an attempt to wipe out crime.