Submission #568805

# Submission time Handle Problem Language Result Execution time Memory
568805 2022-05-26T08:23:33 Z HappyPacMan Strange Device (APIO19_strange_device) C++14
100 / 100
485 ms 42076 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll inf = 1e18;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n;
	ll A,B;
	cin >> n >> A >> B;
	__int128_t LC = (__int128_t)1*A/__gcd(A,B+1)*B;
	ll sum = 0;
	vector<pair<ll,ll> > range;
	for(int i=0;i<n;i++){
		ll li,ri;
		cin >> li >> ri;
		sum += ri-li+1;
		range.emplace_back(li,ri);
	}
	if(LC > (__int128_t)inf){
		cout << sum << '\n';
		return 0;
	}
	ll LCM = A/__gcd(A,B+1)*B;
	vector<pair<ll,ll> > addi;
	for(auto [li,ri] : range){
		if(ri/LCM-li/LCM > 1){
			addi.emplace_back(0,LCM-1);
		}else if(ri/LCM-li/LCM == 1){
			addi.emplace_back(li%LCM,LCM-1);
			addi.emplace_back(0,ri%LCM);
		}else{
			addi.emplace_back(li%LCM,ri%LCM);
		}
	}
	ll last = -1, tot = 0;
	sort(addi.begin(),addi.end());
	for(auto [li,ri] : addi){
		tot += max(0ll,ri-max(last+1,li)+1);
		last = max(last,ri);
	}
	cout << tot << '\n';
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:28:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   28 |  for(auto [li,ri] : range){
      |           ^
strange_device.cpp:40:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   40 |  for(auto [li,ri] : addi){
      |           ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 5 ms 856 KB Output is correct
4 Correct 1 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 1 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 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 856 KB Output is correct
17 Correct 43 ms 4868 KB Output is correct
18 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 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 310 ms 40504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 404 ms 40616 KB Output is correct
3 Correct 421 ms 41688 KB Output is correct
4 Correct 399 ms 41152 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 404 ms 40616 KB Output is correct
3 Correct 421 ms 41688 KB Output is correct
4 Correct 399 ms 41152 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 416 ms 41248 KB Output is correct
7 Correct 401 ms 41144 KB Output is correct
8 Correct 408 ms 41140 KB Output is correct
9 Correct 429 ms 41112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 404 ms 40616 KB Output is correct
3 Correct 421 ms 41688 KB Output is correct
4 Correct 399 ms 41152 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 42 ms 5424 KB Output is correct
7 Correct 47 ms 5464 KB Output is correct
8 Correct 43 ms 5432 KB Output is correct
9 Correct 43 ms 5412 KB Output is correct
10 Correct 42 ms 5384 KB Output is correct
11 Correct 43 ms 5456 KB Output is correct
12 Correct 41 ms 5396 KB Output is correct
13 Correct 41 ms 5444 KB Output is correct
14 Correct 41 ms 5448 KB Output is correct
15 Correct 44 ms 5412 KB Output is correct
16 Correct 46 ms 5456 KB Output is correct
17 Correct 42 ms 5444 KB Output is correct
18 Correct 410 ms 41080 KB Output is correct
19 Correct 405 ms 41436 KB Output is correct
20 Correct 462 ms 41104 KB Output is correct
21 Correct 45 ms 5440 KB Output is correct
22 Correct 41 ms 5508 KB Output is correct
23 Correct 125 ms 18404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 46 ms 4884 KB Output is correct
3 Correct 47 ms 5660 KB Output is correct
4 Correct 485 ms 41536 KB Output is correct
5 Correct 47 ms 5696 KB Output is correct
6 Correct 46 ms 5716 KB Output is correct
7 Correct 45 ms 5676 KB Output is correct
8 Correct 49 ms 5640 KB Output is correct
9 Correct 45 ms 5640 KB Output is correct
10 Correct 47 ms 5748 KB Output is correct
11 Correct 48 ms 5716 KB Output is correct
12 Correct 50 ms 5708 KB Output is correct
13 Correct 48 ms 5672 KB Output is correct
14 Correct 485 ms 41336 KB Output is correct
15 Correct 46 ms 5652 KB Output is correct
16 Correct 423 ms 41228 KB Output is correct
17 Correct 414 ms 42076 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 5 ms 856 KB Output is correct
3 Correct 5 ms 856 KB Output is correct
4 Correct 1 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 1 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 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 5 ms 856 KB Output is correct
17 Correct 43 ms 4868 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 310 ms 40504 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 404 ms 40616 KB Output is correct
31 Correct 421 ms 41688 KB Output is correct
32 Correct 399 ms 41152 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 416 ms 41248 KB Output is correct
35 Correct 401 ms 41144 KB Output is correct
36 Correct 408 ms 41140 KB Output is correct
37 Correct 429 ms 41112 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 42 ms 5424 KB Output is correct
40 Correct 47 ms 5464 KB Output is correct
41 Correct 43 ms 5432 KB Output is correct
42 Correct 43 ms 5412 KB Output is correct
43 Correct 42 ms 5384 KB Output is correct
44 Correct 43 ms 5456 KB Output is correct
45 Correct 41 ms 5396 KB Output is correct
46 Correct 41 ms 5444 KB Output is correct
47 Correct 41 ms 5448 KB Output is correct
48 Correct 44 ms 5412 KB Output is correct
49 Correct 46 ms 5456 KB Output is correct
50 Correct 42 ms 5444 KB Output is correct
51 Correct 410 ms 41080 KB Output is correct
52 Correct 405 ms 41436 KB Output is correct
53 Correct 462 ms 41104 KB Output is correct
54 Correct 45 ms 5440 KB Output is correct
55 Correct 41 ms 5508 KB Output is correct
56 Correct 125 ms 18404 KB Output is correct
57 Correct 1 ms 212 KB Output is correct
58 Correct 46 ms 4884 KB Output is correct
59 Correct 47 ms 5660 KB Output is correct
60 Correct 485 ms 41536 KB Output is correct
61 Correct 47 ms 5696 KB Output is correct
62 Correct 46 ms 5716 KB Output is correct
63 Correct 45 ms 5676 KB Output is correct
64 Correct 49 ms 5640 KB Output is correct
65 Correct 45 ms 5640 KB Output is correct
66 Correct 47 ms 5748 KB Output is correct
67 Correct 48 ms 5716 KB Output is correct
68 Correct 50 ms 5708 KB Output is correct
69 Correct 48 ms 5672 KB Output is correct
70 Correct 485 ms 41336 KB Output is correct
71 Correct 46 ms 5652 KB Output is correct
72 Correct 423 ms 41228 KB Output is correct
73 Correct 414 ms 42076 KB Output is correct
74 Correct 1 ms 316 KB Output is correct
75 Correct 0 ms 316 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 5 ms 1240 KB Output is correct
80 Correct 477 ms 41292 KB Output is correct
81 Correct 463 ms 41404 KB Output is correct
82 Correct 429 ms 41336 KB Output is correct
83 Correct 437 ms 41456 KB Output is correct
84 Correct 459 ms 41544 KB Output is correct
85 Correct 425 ms 41464 KB Output is correct
86 Correct 127 ms 18712 KB Output is correct
87 Correct 0 ms 320 KB Output is correct