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Submission #963031

# Submission time Handle Problem Language Result Execution time Memory
963031 2024-04-14T11:32:54 Z PenguinsAreCute Strange Device (APIO19_strange_device) C++17
100 / 100
 1481 ms 53888 KB 
// 34 days to apio!
#include <bits/stdc++.h>
using namespace std;
#define int long long
main() {
	int n, a, b, p; cin >> n >> a >> b;
	a /= __gcd(a,b+1);
	if(a>1e18/b) p=1e18;
	else p=a * b;
	vector<pair<int,int>> v;
	for(int i=0;i<n;i++) {
		int l, r; cin >> l >> r;
		if(r-l>p) {cout<<p; return 0;}
		else if(l/p == r/p) v.push_back({l%p,r%p});
		else {
			v.push_back({l%p,p-1});
			v.push_back({0,r%p});
		}
	}
	sort(v.begin(),v.end(),greater<pair<int,int>>());
	int ans = 0;
	while(v.size()>=2) {
		if(end(v)[-2].first<=end(v)[-1].second) end(v)[-2]={end(v)[-1].first,max(end(v)[-1].second,end(v)[-2].second)};
		else ans += end(v)[-1].second-end(v)[-1].first+1;
		v.pop_back();
	}
	cout << ans + v[0].second - v[0].first + 1;
}

Compilation message

strange_device.cpp:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main() {
      | ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 11 ms 1368 KB Output is correct
3 Correct 10 ms 1116 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 436 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 10 ms 1116 KB Output is correct
17 Correct 99 ms 5804 KB Output is correct
18 Correct 1 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 528 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 717 ms 41188 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1078 ms 53148 KB Output is correct
3 Correct 1006 ms 53668 KB Output is correct
4 Correct 1004 ms 53232 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1078 ms 53148 KB Output is correct
3 Correct 1006 ms 53668 KB Output is correct
4 Correct 1004 ms 53232 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1031 ms 53460 KB Output is correct
7 Correct 1043 ms 53484 KB Output is correct
8 Correct 1267 ms 53548 KB Output is correct
9 Correct 1004 ms 53356 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1078 ms 53148 KB Output is correct
3 Correct 1006 ms 53668 KB Output is correct
4 Correct 1004 ms 53232 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 99 ms 5756 KB Output is correct
7 Correct 114 ms 5936 KB Output is correct
8 Correct 105 ms 5680 KB Output is correct
9 Correct 98 ms 5820 KB Output is correct
10 Correct 100 ms 5792 KB Output is correct
11 Correct 109 ms 5620 KB Output is correct
12 Correct 102 ms 5632 KB Output is correct
13 Correct 101 ms 5824 KB Output is correct
14 Correct 100 ms 5740 KB Output is correct
15 Correct 107 ms 5848 KB Output is correct
16 Correct 114 ms 5636 KB Output is correct
17 Correct 99 ms 5748 KB Output is correct
18 Correct 1070 ms 53204 KB Output is correct
19 Correct 1046 ms 53420 KB Output is correct
20 Correct 1029 ms 53348 KB Output is correct
21 Correct 99 ms 5648 KB Output is correct
22 Correct 110 ms 5824 KB Output is correct
23 Correct 347 ms 20140 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 108 ms 5864 KB Output is correct
3 Correct 102 ms 5724 KB Output is correct
4 Correct 999 ms 53312 KB Output is correct
5 Correct 97 ms 5668 KB Output is correct
6 Correct 97 ms 5728 KB Output is correct
7 Correct 95 ms 5820 KB Output is correct
8 Correct 99 ms 5812 KB Output is correct
9 Correct 105 ms 5668 KB Output is correct
10 Correct 100 ms 5724 KB Output is correct
11 Correct 126 ms 5588 KB Output is correct
12 Correct 100 ms 5588 KB Output is correct
13 Correct 96 ms 5788 KB Output is correct
14 Correct 1047 ms 53352 KB Output is correct
15 Correct 106 ms 5812 KB Output is correct
16 Correct 1050 ms 53256 KB Output is correct
17 Correct 1039 ms 53564 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 11 ms 1368 KB Output is correct
3 Correct 10 ms 1116 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 436 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 10 ms 1116 KB Output is correct
17 Correct 99 ms 5804 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 528 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 717 ms 41188 KB Output is correct
29 Correct 1 ms 504 KB Output is correct
30 Correct 1078 ms 53148 KB Output is correct
31 Correct 1006 ms 53668 KB Output is correct
32 Correct 1004 ms 53232 KB Output is correct
33 Correct 1 ms 504 KB Output is correct
34 Correct 1031 ms 53460 KB Output is correct
35 Correct 1043 ms 53484 KB Output is correct
36 Correct 1267 ms 53548 KB Output is correct
37 Correct 1004 ms 53356 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 99 ms 5756 KB Output is correct
40 Correct 114 ms 5936 KB Output is correct
41 Correct 105 ms 5680 KB Output is correct
42 Correct 98 ms 5820 KB Output is correct
43 Correct 100 ms 5792 KB Output is correct
44 Correct 109 ms 5620 KB Output is correct
45 Correct 102 ms 5632 KB Output is correct
46 Correct 101 ms 5824 KB Output is correct
47 Correct 100 ms 5740 KB Output is correct
48 Correct 107 ms 5848 KB Output is correct
49 Correct 114 ms 5636 KB Output is correct
50 Correct 99 ms 5748 KB Output is correct
51 Correct 1070 ms 53204 KB Output is correct
52 Correct 1046 ms 53420 KB Output is correct
53 Correct 1029 ms 53348 KB Output is correct
54 Correct 99 ms 5648 KB Output is correct
55 Correct 110 ms 5824 KB Output is correct
56 Correct 347 ms 20140 KB Output is correct
57 Correct 1 ms 344 KB Output is correct
58 Correct 108 ms 5864 KB Output is correct
59 Correct 102 ms 5724 KB Output is correct
60 Correct 999 ms 53312 KB Output is correct
61 Correct 97 ms 5668 KB Output is correct
62 Correct 97 ms 5728 KB Output is correct
63 Correct 95 ms 5820 KB Output is correct
64 Correct 99 ms 5812 KB Output is correct
65 Correct 105 ms 5668 KB Output is correct
66 Correct 100 ms 5724 KB Output is correct
67 Correct 126 ms 5588 KB Output is correct
68 Correct 100 ms 5588 KB Output is correct
69 Correct 96 ms 5788 KB Output is correct
70 Correct 1047 ms 53352 KB Output is correct
71 Correct 106 ms 5812 KB Output is correct
72 Correct 1050 ms 53256 KB Output is correct
73 Correct 1039 ms 53564 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 10 ms 1076 KB Output is correct
80 Correct 1016 ms 53888 KB Output is correct
81 Correct 1006 ms 53380 KB Output is correct
82 Correct 1481 ms 53480 KB Output is correct
83 Correct 1016 ms 53196 KB Output is correct
84 Correct 983 ms 53404 KB Output is correct
85 Correct 995 ms 53156 KB Output is correct
86 Correct 330 ms 20096 KB Output is correct
87 Correct 1 ms 344 KB Output is correct