Submission #172139

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1721392019-12-31 11:10:55super_j6Street Lamps (APIO19_street_lamps)C++14
100 / 100
2004 ms350800 KiB
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <string.h>
using namespace std;
#define endl '\n'
#define pi pair<int, int>
#define pii pair<int, pi>
#define f first
#define s second
const int maxn = 300000;
struct segTree{
int l, r;
segTree *left = NULL, *right = NULL;
long val = 0, lazy = 0;
segTree(int a, int b){
l = a;
r = b;
}
void push(){
if(left) left->lazy += lazy;
if(right) right->lazy += lazy;
lazy = 0;
}
 
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