https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2397↵
it is a level 4 problem in uva online judge about segment tree.i used segment tree with lazy updates but i got time limit for 20 times!can any one help me?does this problem have some particular tip?
it is a level 4 problem in uva online judge about segment tree.i used segment tree with lazy updates but i got time limit for 20 times!can any one help me?does this problem have some particular tip?
