Traverse the array
for ( int i = 1 ; i < N ; i ++ ) { int b = arr [ i - 1 ] . second ; int d = arr [ i ] . second ; if ( b > d ) { System . out . print ( " ( " + arr [ i - 1 ] . first + " ▁ " + b + " ) , ▁ ( " + arr [ i ] . first + " ▁ " + d + " ) " ) ; return ; } }