5725 | 2023. 09. 10 01:50:45 | TomaSajt | Színes szobák (50 pont) | cpp17 | Elfogadva 50/50 | 32ms | 24740 KiB |
// "inspired by" solution by SleepyOverlord on njudge
#include <bits/stdc++.h>
using namespace std;
int main() {
cin.tie(0), cin.sync_with_stdio(0);
int n, k, m;
cin >> n >> k >> m;
vector<int> pos_color(n + 2);
for (int i = 1; i <= n; i++) cin >> pos_color[i];
vector<array<int, 2>> instrs(m);
for (auto& [c, x] : instrs) cin >> c >> x;
reverse(instrs.begin(), instrs.end());
// calculates in reverse what was the position of the people
// who reached their respective side last
int left_pos = 0, right_pos = n + 1;
for (auto& [c, x] : instrs) {
if (x == -1 && c == pos_color[left_pos + 1]) left_pos++;
if (x == +1 && c == pos_color[left_pos]) left_pos--;
if (x == +1 && c == pos_color[right_pos - 1]) right_pos--;
if (x == -1 && c == pos_color[right_pos]) right_pos++;
}
cout << left_pos + (n + 1 - right_pos);
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1828 KiB | |||
2 | Elfogadva | 0/0 | 32ms | 5528 KiB | |||
3 | Elfogadva | 1/1 | 3ms | 3520 KiB | |||
4 | Elfogadva | 1/1 | 3ms | 3756 KiB | |||
5 | Elfogadva | 1/1 | 3ms | 3740 KiB | |||
6 | Elfogadva | 1/1 | 3ms | 4008 KiB | |||
7 | Elfogadva | 1/1 | 3ms | 4244 KiB | |||
8 | Elfogadva | 1/1 | 3ms | 4464 KiB | |||
9 | Elfogadva | 1/1 | 3ms | 4448 KiB | |||
10 | Elfogadva | 1/1 | 3ms | 4720 KiB | |||
11 | Elfogadva | 1/1 | 3ms | 4696 KiB | |||
12 | Elfogadva | 1/1 | 3ms | 4720 KiB | |||
13 | Elfogadva | 1/1 | 4ms | 5200 KiB | |||
14 | Elfogadva | 1/1 | 4ms | 5324 KiB | |||
15 | Elfogadva | 1/1 | 4ms | 5596 KiB | |||
16 | Elfogadva | 1/1 | 4ms | 5792 KiB | |||
17 | Elfogadva | 1/1 | 4ms | 5900 KiB | |||
18 | Elfogadva | 1/1 | 4ms | 5988 KiB | |||
19 | Elfogadva | 1/1 | 19ms | 7816 KiB | |||
20 | Elfogadva | 1/1 | 32ms | 10000 KiB | |||
21 | Elfogadva | 1/1 | 25ms | 10536 KiB | |||
22 | Elfogadva | 1/1 | 27ms | 11928 KiB | |||
23 | Elfogadva | 1/1 | 30ms | 13388 KiB | |||
24 | Elfogadva | 1/1 | 32ms | 14940 KiB | |||
25 | Elfogadva | 1/1 | 32ms | 16124 KiB | |||
26 | Elfogadva | 1/1 | 32ms | 17520 KiB | |||
27 | Elfogadva | 3/3 | 30ms | 18704 KiB | |||
28 | Elfogadva | 3/3 | 30ms | 19620 KiB | |||
29 | Elfogadva | 3/3 | 30ms | 20788 KiB | |||
30 | Elfogadva | 3/3 | 30ms | 21868 KiB | |||
31 | Elfogadva | 3/3 | 30ms | 22868 KiB | |||
32 | Elfogadva | 3/3 | 30ms | 23864 KiB | |||
33 | Elfogadva | 4/4 | 17ms | 22800 KiB | |||
34 | Elfogadva | 4/4 | 27ms | 24740 KiB |