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我想清除每个测试用例的主函数的调整列表。如何清除对的列表
class Graph
{
long long int V; // No. of vertices
list< pair<long long int,long long int> > *adj;
public:
Graph(long long int V); // Constructor
//clear previous values
void clearList();
};
void Graph::clearList()
{
//WHAT SHOULD I WRITE HERE
}