Submission #747063

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
747063	2023-05-23 14:41:35	Sami_Massah	Construction of Highway (JOI18_construction)	C++11	100 / 100	1912 ms	33220 KiB

construction

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 12, lg = 17;
int n, s, cnt, L[maxn * 4], R[maxn * 4], sum[maxn * 4], par[maxn][lg], mx[maxn * 4], st[maxn], en[maxn], h[maxn], U[maxn], V[maxn], bcnv[maxn], c[maxn];
vector <int> conn[maxn], pos;
vector <tuple<int, int, int>> seg;
bitset <maxn> marked;
map <int, int> cnv;
void make_tree(int l, int r, int ind){
    int mid = (l + r) / 2;
    L[ind] = l;
    R[ind] = r;
    if(l == r)
        return;
    make_tree(l, mid, ind * 2);
    make_tree(mid + 1, r, ind * 2 + 1);
}
void update_tree_sum(int l, int r, int u, int k, bool add = 0){
    if(r < L[u] || R[u] < l)
        return;
    if(l <= L[u] && R[u] <= r){
        if(add == 0)
            sum[u] = k;
        else
            sum[u] += k;
        return;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

construction.cpp: In function 'int main()':
construction.cpp:179:25: warning: division by zero [-Wdiv-by-zero]
  179 |             cout << (10 / 0) << endl;
      |                      ~~~^~~

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 84 / 84