Submission #245250

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
245250	2020-07-05 20:27:37	Tc14	Railway (BOI17_railway)	C++17	100 / 100	249 ms	39984 KiB

railway

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
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ve vector
struct SegmentTree {
    int Cap;
    ve<int> Seg;
    void build(int n) {
        Cap = 1 << (int)ceil(log2(n));
        Seg = ve<int>(2 * Cap);
    }
    int left(int i) { return 2 * i; }
    int right(int i) { return 2 * i + 1; }
    int parent(int i) { return i / 2; }
    int query(int x) {
        int curr, r;
        curr = Cap + x;
        r = 0;
        while (curr != 0) {
            r += Seg[curr];
            curr = parent(curr);
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

railway.cpp: In function 'int main()':
railway.cpp:241:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int l = 1; l < Intervals[j].size(); l++) {
                                 ~~^~~~~~~~~~~~~~~~~~~~~
railway.cpp:259:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < CompEdges[i].size(); j++) {
                         ~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25