제출 #163962

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
163962	2019-11-16 12:18:27	sams	가로등 (APIO19_street_lamps)	C++14	20 / 100	334 ms	12176 KiB

street_lamps

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 3e5+10;
struct ND
{
  int s, m; 
} seg[4*maxn];
int n, q;
int v[maxn];
string ss;
ND op(ND a, ND b)
{
  return {a.s + b.s, max(a.m, b.m)};
}
void build(int u = 1, int l = 1, int r = n)
{
  if(l == r)
  {
    seg[u] = {v[l], 0};
    return;
  }
  int mid = (l+r) >> 1;
 
 
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