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Submission #159518

# Submission time Handle Problem Language Result Execution time Memory
159518 2019-10-23T01:21:18 Z jhnah917 Strange Device (APIO19_strange_device) C++14
100 / 100
 882 ms 69180 KB 
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef __int128 asdf;
typedef pair<asdf, asdf> p;
 
ll _n, _a, _b;
asdf n, a, b, c, sz;
 
void print(__int128 x){
	string s;
	while(x){
		s += (char)(x%10 + '0'); x /= 10;
	}
	reverse(s.begin(), s.end());
	cout << s;
}

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> _n >> _a >> _b;
	n = _n, a = _a, b = _b;
	sz = a / __gcd(a, b+1) * b;
	vector<p> v;
	
	for(int i=0; i<n; i++){
		ll _l, _r; cin >> _l >> _r;
		asdf l, r; l = _l, r = _r;
		if(r-l+1 > sz){
			print(sz); return 0;
		}
		l %= sz, r %= sz;
		if(l <= r) v.emplace_back(l, r);
		else v.emplace_back(l, sz-1), v.emplace_back(0, r);
	}
	sort(v.begin(), v.end());
	asdf ans = 0;
	for(int i=0; i<v.size(); i++){
		int j = i; asdf now = v[i].second;
		while(j < v.size() && v[j].first <= now){
			now = max(now, v[j].second); j++;
		}
		ans += now - v[i].first + 1;
		i = j - 1;
	}
	print(ans);
}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:39:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<v.size(); i++){
               ~^~~~~~~~~
strange_device.cpp:41:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(j < v.size() && v[j].first <= now){
         ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 9 ms 1400 KB Output is correct
3 Correct 10 ms 1400 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 380 KB Output is correct
16 Correct 9 ms 1320 KB Output is correct
17 Correct 77 ms 7364 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 428 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 529 ms 57128 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 786 ms 69000 KB Output is correct
3 Correct 696 ms 68892 KB Output is correct
4 Correct 700 ms 69012 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 786 ms 69000 KB Output is correct
3 Correct 696 ms 68892 KB Output is correct
4 Correct 700 ms 69012 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 707 ms 68984 KB Output is correct
7 Correct 709 ms 68916 KB Output is correct
8 Correct 693 ms 69024 KB Output is correct
9 Correct 758 ms 69020 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 786 ms 69000 KB Output is correct
3 Correct 696 ms 68892 KB Output is correct
4 Correct 700 ms 69012 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 68 ms 7336 KB Output is correct
7 Correct 72 ms 7276 KB Output is correct
8 Correct 70 ms 7296 KB Output is correct
9 Correct 73 ms 7272 KB Output is correct
10 Correct 68 ms 7404 KB Output is correct
11 Correct 71 ms 7272 KB Output is correct
12 Correct 68 ms 7396 KB Output is correct
13 Correct 75 ms 7272 KB Output is correct
14 Correct 71 ms 7392 KB Output is correct
15 Correct 77 ms 7400 KB Output is correct
16 Correct 74 ms 7352 KB Output is correct
17 Correct 71 ms 7272 KB Output is correct
18 Correct 703 ms 69072 KB Output is correct
19 Correct 696 ms 69044 KB Output is correct
20 Correct 772 ms 69176 KB Output is correct
21 Correct 74 ms 7272 KB Output is correct
22 Correct 66 ms 7276 KB Output is correct
23 Correct 221 ms 26996 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 73 ms 7296 KB Output is correct
3 Correct 76 ms 7412 KB Output is correct
4 Correct 814 ms 69180 KB Output is correct
5 Correct 74 ms 7272 KB Output is correct
6 Correct 76 ms 7288 KB Output is correct
7 Correct 86 ms 7424 KB Output is correct
8 Correct 79 ms 7404 KB Output is correct
9 Correct 75 ms 7296 KB Output is correct
10 Correct 74 ms 7372 KB Output is correct
11 Correct 74 ms 7304 KB Output is correct
12 Correct 66 ms 7368 KB Output is correct
13 Correct 77 ms 7272 KB Output is correct
14 Correct 767 ms 68960 KB Output is correct
15 Correct 73 ms 7308 KB Output is correct
16 Correct 701 ms 69072 KB Output is correct
17 Correct 685 ms 68968 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 9 ms 1400 KB Output is correct
3 Correct 10 ms 1400 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 380 KB Output is correct
16 Correct 9 ms 1320 KB Output is correct
17 Correct 77 ms 7364 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 428 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 529 ms 57128 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 786 ms 69000 KB Output is correct
31 Correct 696 ms 68892 KB Output is correct
32 Correct 700 ms 69012 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 707 ms 68984 KB Output is correct
35 Correct 709 ms 68916 KB Output is correct
36 Correct 693 ms 69024 KB Output is correct
37 Correct 758 ms 69020 KB Output is correct
38 Correct 2 ms 380 KB Output is correct
39 Correct 68 ms 7336 KB Output is correct
40 Correct 72 ms 7276 KB Output is correct
41 Correct 70 ms 7296 KB Output is correct
42 Correct 73 ms 7272 KB Output is correct
43 Correct 68 ms 7404 KB Output is correct
44 Correct 71 ms 7272 KB Output is correct
45 Correct 68 ms 7396 KB Output is correct
46 Correct 75 ms 7272 KB Output is correct
47 Correct 71 ms 7392 KB Output is correct
48 Correct 77 ms 7400 KB Output is correct
49 Correct 74 ms 7352 KB Output is correct
50 Correct 71 ms 7272 KB Output is correct
51 Correct 703 ms 69072 KB Output is correct
52 Correct 696 ms 69044 KB Output is correct
53 Correct 772 ms 69176 KB Output is correct
54 Correct 74 ms 7272 KB Output is correct
55 Correct 66 ms 7276 KB Output is correct
56 Correct 221 ms 26996 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 73 ms 7296 KB Output is correct
59 Correct 76 ms 7412 KB Output is correct
60 Correct 814 ms 69180 KB Output is correct
61 Correct 74 ms 7272 KB Output is correct
62 Correct 76 ms 7288 KB Output is correct
63 Correct 86 ms 7424 KB Output is correct
64 Correct 79 ms 7404 KB Output is correct
65 Correct 75 ms 7296 KB Output is correct
66 Correct 74 ms 7372 KB Output is correct
67 Correct 74 ms 7304 KB Output is correct
68 Correct 66 ms 7368 KB Output is correct
69 Correct 77 ms 7272 KB Output is correct
70 Correct 767 ms 68960 KB Output is correct
71 Correct 73 ms 7308 KB Output is correct
72 Correct 701 ms 69072 KB Output is correct
73 Correct 685 ms 68968 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 380 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 2 ms 376 KB Output is correct
79 Correct 9 ms 1300 KB Output is correct
80 Correct 882 ms 69044 KB Output is correct
81 Correct 832 ms 69092 KB Output is correct
82 Correct 777 ms 69148 KB Output is correct
83 Correct 782 ms 68948 KB Output is correct
84 Correct 776 ms 68868 KB Output is correct
85 Correct 768 ms 68892 KB Output is correct
86 Correct 224 ms 26860 KB Output is correct
87 Correct 2 ms 376 KB Output is correct