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#include <iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 const int N=6,K=3; int a[K+1][2]={ {0,0}, {1,2}, {1,3}, {4,5} }; int.

#include <iostream> #include<stdio.h> #include<string.h> #include<algorithm> #include<math.h> #include<sstream> using namespace std; #define L 101 const int N=5,A=1,B=5; int a[N+1]={0,3,3,1,2,5}; int head=0,tail=1; //ta.