# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
816591 |
2023-08-09T05:48:27 Z |
gun_gan |
Lasers (NOI19_lasers) |
C++17 |
|
205 ms |
15272 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MX = 5e5 + 5;
int R, L;
vector<pair<int,int>> vv;
int main() {
cin.tie(0); ios_base::sync_with_stdio(0);
cin >> L >> R;
for(int i = 0; i < R; i++) {
int x;
cin >> x;
vector<int> v;
vector<pair<int,int>> ranges;
int sum = 0;
for(int j = 0; j < x; j++) {
int k;
cin >> k;
v.push_back(k);
sum += k;
}
int l = 1, r = L - sum; // ga ke cover
ranges.push_back({l, r});
for(int j = 0; j < x; j++) {
l += v[j];
r += v[j];
ranges.push_back({l, r});
}
sort(ranges.begin(), ranges.end());
set<int> open;
int lst = 0;
for(auto [l, r] : ranges) {
while(!open.empty() && *open.begin() < l) {
open.erase(open.begin());
}
if(open.empty()) {
if(l - 1 >= lst + 1) {
vv.push_back({lst + 1, l - 1}); // selalu ke cover
}
}
open.insert(r);
lst = r;
}
if(lst + 1 <= L) vv.push_back({lst + 1, L});
}
sort(vv.begin(), vv.end());
set<int> open;
int ans = 0, lf = 1, rg = 0;
for(auto [l, r] : vv) {
while(!open.empty() && *open.begin() < l) {
open.erase(open.begin());
}
if(open.empty()) {
ans += rg - lf + 1;
lf = l, rg = r;
}
open.insert(r);
rg = max(rg, r);
}
ans += rg - lf + 1;
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
139 ms |
5572 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
177 ms |
13148 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
6408 KB |
Output is correct |
2 |
Correct |
9 ms |
1616 KB |
Output is correct |
3 |
Correct |
12 ms |
1516 KB |
Output is correct |
4 |
Correct |
50 ms |
7272 KB |
Output is correct |
5 |
Correct |
22 ms |
3428 KB |
Output is correct |
6 |
Correct |
48 ms |
6688 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
53 ms |
8908 KB |
Output is correct |
9 |
Correct |
27 ms |
3964 KB |
Output is correct |
10 |
Correct |
54 ms |
8024 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
320 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
6408 KB |
Output is correct |
2 |
Correct |
9 ms |
1616 KB |
Output is correct |
3 |
Correct |
12 ms |
1516 KB |
Output is correct |
4 |
Correct |
50 ms |
7272 KB |
Output is correct |
5 |
Correct |
22 ms |
3428 KB |
Output is correct |
6 |
Correct |
48 ms |
6688 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
53 ms |
8908 KB |
Output is correct |
9 |
Correct |
27 ms |
3964 KB |
Output is correct |
10 |
Correct |
54 ms |
8024 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
320 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
177 ms |
12628 KB |
Output is correct |
22 |
Correct |
26 ms |
1484 KB |
Output is correct |
23 |
Correct |
15 ms |
1700 KB |
Output is correct |
24 |
Correct |
63 ms |
6144 KB |
Output is correct |
25 |
Correct |
180 ms |
12620 KB |
Output is correct |
26 |
Correct |
52 ms |
3644 KB |
Output is correct |
27 |
Correct |
21 ms |
1352 KB |
Output is correct |
28 |
Correct |
177 ms |
12496 KB |
Output is correct |
29 |
Correct |
185 ms |
12624 KB |
Output is correct |
30 |
Correct |
48 ms |
3880 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
139 ms |
5572 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
177 ms |
13148 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
320 KB |
Output is correct |
21 |
Correct |
52 ms |
6408 KB |
Output is correct |
22 |
Correct |
9 ms |
1616 KB |
Output is correct |
23 |
Correct |
12 ms |
1516 KB |
Output is correct |
24 |
Correct |
50 ms |
7272 KB |
Output is correct |
25 |
Correct |
22 ms |
3428 KB |
Output is correct |
26 |
Correct |
48 ms |
6688 KB |
Output is correct |
27 |
Correct |
1 ms |
468 KB |
Output is correct |
28 |
Correct |
53 ms |
8908 KB |
Output is correct |
29 |
Correct |
27 ms |
3964 KB |
Output is correct |
30 |
Correct |
54 ms |
8024 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
320 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
177 ms |
12628 KB |
Output is correct |
42 |
Correct |
26 ms |
1484 KB |
Output is correct |
43 |
Correct |
15 ms |
1700 KB |
Output is correct |
44 |
Correct |
63 ms |
6144 KB |
Output is correct |
45 |
Correct |
180 ms |
12620 KB |
Output is correct |
46 |
Correct |
52 ms |
3644 KB |
Output is correct |
47 |
Correct |
21 ms |
1352 KB |
Output is correct |
48 |
Correct |
177 ms |
12496 KB |
Output is correct |
49 |
Correct |
185 ms |
12624 KB |
Output is correct |
50 |
Correct |
48 ms |
3880 KB |
Output is correct |
51 |
Correct |
21 ms |
2056 KB |
Output is correct |
52 |
Correct |
187 ms |
14832 KB |
Output is correct |
53 |
Correct |
205 ms |
14716 KB |
Output is correct |
54 |
Correct |
48 ms |
2760 KB |
Output is correct |
55 |
Correct |
111 ms |
3640 KB |
Output is correct |
56 |
Correct |
57 ms |
5224 KB |
Output is correct |
57 |
Correct |
66 ms |
3932 KB |
Output is correct |
58 |
Correct |
196 ms |
15272 KB |
Output is correct |
59 |
Correct |
47 ms |
2624 KB |
Output is correct |
60 |
Correct |
62 ms |
2920 KB |
Output is correct |