Submission #266443

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
266443	2020-08-15T09:39:48 Z	define	Strange Device (APIO19_strange_device)	C++17	100 / 100	3573 ms	65348 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define REP(i,n) for(int i=1;i<n;i++)
#define rev(i,n) for(int i=n-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define P pair<int,int>
#define len(s) (int)s.size()
 
template<class T> inline bool chmin(T &a, T b){
	if(a>b){a=b;return true;}
	return false;
}
template<class T> inline bool chmax(T &a, T b){
	if(a<b){a=b;return true;}
	return false;
}
constexpr int mod = 1e9+7;
constexpr long long inf = 3e18;

int gcd(int x,int y){
	return (y?gcd(y,x%y):x);
}
int A,B,N;
void solve1(){
	int ans=0;
	while(N--){
		int a,b;cin>>a>>b;
		ans+=b-a+1;
	}
	cout<<ans<<endl;
	exit(0);
}
signed main(){
	cin>>N>>A>>B;
	int x=(B%A+1)%A;
	int g=gcd(A,x);
	if(inf/(A/g)<B)solve1();
	int lc=A/g*B;
	set<P>st;
	rep(i,N){
		int a,b;cin>>a>>b;
		if(b-a+1>=lc){
			cout<<lc<<endl;return 0;
		}
		if(a/lc!=b/lc){
			st.insert({a%lc,lc-1});
			st.insert({0,b%lc});
		}else {
			st.insert({a%lc,b%lc});
		}
	}
	int ans=0,now=-1;
	for(P i:st){
		if(i.first<=now){
			ans+=max(0ll,i.second-now);
			chmax(now,i.second);
		}else {
			ans+=i.second-i.first+1;
			now=i.second;
		}
	}
	cout<<ans<<endl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	32 ms	1016 KB	Output is correct
3	Correct	36 ms	896 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	288 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	35 ms	1408 KB	Output is correct
17	Correct	327 ms	8048 KB	Output is correct
18	Correct	1 ms	360 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	2149 ms	416 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	3270 ms	62952 KB	Output is correct
3	Correct	3272 ms	62972 KB	Output is correct
4	Correct	3408 ms	65148 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	3270 ms	62952 KB	Output is correct
3	Correct	3272 ms	62972 KB	Output is correct
4	Correct	3408 ms	65148 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	3573 ms	65192 KB	Output is correct
7	Correct	3276 ms	65012 KB	Output is correct
8	Correct	3349 ms	65028 KB	Output is correct
9	Correct	3549 ms	65348 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	3270 ms	62952 KB	Output is correct
3	Correct	3272 ms	62972 KB	Output is correct
4	Correct	3408 ms	65148 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	319 ms	7928 KB	Output is correct
7	Correct	321 ms	7904 KB	Output is correct
8	Correct	323 ms	7928 KB	Output is correct
9	Correct	326 ms	7956 KB	Output is correct
10	Correct	324 ms	7928 KB	Output is correct
11	Correct	319 ms	7972 KB	Output is correct
12	Correct	325 ms	7928 KB	Output is correct
13	Correct	345 ms	8056 KB	Output is correct
14	Correct	317 ms	8056 KB	Output is correct
15	Correct	326 ms	7928 KB	Output is correct
16	Correct	334 ms	7544 KB	Output is correct
17	Correct	322 ms	7544 KB	Output is correct
18	Correct	3264 ms	64428 KB	Output is correct
19	Correct	3367 ms	64504 KB	Output is correct
20	Correct	3295 ms	64688 KB	Output is correct
21	Correct	323 ms	7288 KB	Output is correct
22	Correct	323 ms	7288 KB	Output is correct
23	Correct	999 ms	1784 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	332 ms	6676 KB	Output is correct
3	Correct	321 ms	6776 KB	Output is correct
4	Correct	3250 ms	62968 KB	Output is correct
5	Correct	324 ms	6520 KB	Output is correct
6	Correct	332 ms	6564 KB	Output is correct
7	Correct	326 ms	6520 KB	Output is correct
8	Correct	334 ms	6776 KB	Output is correct
9	Correct	322 ms	6652 KB	Output is correct
10	Correct	328 ms	6648 KB	Output is correct
11	Correct	323 ms	6520 KB	Output is correct
12	Correct	336 ms	6648 KB	Output is correct
13	Correct	323 ms	6520 KB	Output is correct
14	Correct	3314 ms	62968 KB	Output is correct
15	Correct	326 ms	6520 KB	Output is correct
16	Correct	3261 ms	63128 KB	Output is correct
17	Correct	3347 ms	64468 KB	Output is correct
18	Correct	1 ms	256 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	256 KB	Output is correct
2	Correct	32 ms	1016 KB	Output is correct
3	Correct	36 ms	896 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	0 ms	256 KB	Output is correct
6	Correct	0 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	288 KB	Output is correct
11	Correct	0 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	256 KB	Output is correct
16	Correct	35 ms	1408 KB	Output is correct
17	Correct	327 ms	8048 KB	Output is correct
18	Correct	1 ms	360 KB	Output is correct
19	Correct	1 ms	256 KB	Output is correct
20	Correct	1 ms	256 KB	Output is correct
21	Correct	1 ms	256 KB	Output is correct
22	Correct	1 ms	256 KB	Output is correct
23	Correct	1 ms	256 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	4 ms	384 KB	Output is correct
26	Correct	4 ms	384 KB	Output is correct
27	Correct	4 ms	384 KB	Output is correct
28	Correct	2149 ms	416 KB	Output is correct
29	Correct	1 ms	324 KB	Output is correct
30	Correct	3270 ms	62952 KB	Output is correct
31	Correct	3272 ms	62972 KB	Output is correct
32	Correct	3408 ms	65148 KB	Output is correct
33	Correct	1 ms	256 KB	Output is correct
34	Correct	3573 ms	65192 KB	Output is correct
35	Correct	3276 ms	65012 KB	Output is correct
36	Correct	3349 ms	65028 KB	Output is correct
37	Correct	3549 ms	65348 KB	Output is correct
38	Correct	1 ms	256 KB	Output is correct
39	Correct	319 ms	7928 KB	Output is correct
40	Correct	321 ms	7904 KB	Output is correct
41	Correct	323 ms	7928 KB	Output is correct
42	Correct	326 ms	7956 KB	Output is correct
43	Correct	324 ms	7928 KB	Output is correct
44	Correct	319 ms	7972 KB	Output is correct
45	Correct	325 ms	7928 KB	Output is correct
46	Correct	345 ms	8056 KB	Output is correct
47	Correct	317 ms	8056 KB	Output is correct
48	Correct	326 ms	7928 KB	Output is correct
49	Correct	334 ms	7544 KB	Output is correct
50	Correct	322 ms	7544 KB	Output is correct
51	Correct	3264 ms	64428 KB	Output is correct
52	Correct	3367 ms	64504 KB	Output is correct
53	Correct	3295 ms	64688 KB	Output is correct
54	Correct	323 ms	7288 KB	Output is correct
55	Correct	323 ms	7288 KB	Output is correct
56	Correct	999 ms	1784 KB	Output is correct
57	Correct	1 ms	256 KB	Output is correct
58	Correct	332 ms	6676 KB	Output is correct
59	Correct	321 ms	6776 KB	Output is correct
60	Correct	3250 ms	62968 KB	Output is correct
61	Correct	324 ms	6520 KB	Output is correct
62	Correct	332 ms	6564 KB	Output is correct
63	Correct	326 ms	6520 KB	Output is correct
64	Correct	334 ms	6776 KB	Output is correct
65	Correct	322 ms	6652 KB	Output is correct
66	Correct	328 ms	6648 KB	Output is correct
67	Correct	323 ms	6520 KB	Output is correct
68	Correct	336 ms	6648 KB	Output is correct
69	Correct	323 ms	6520 KB	Output is correct
70	Correct	3314 ms	62968 KB	Output is correct
71	Correct	326 ms	6520 KB	Output is correct
72	Correct	3261 ms	63128 KB	Output is correct
73	Correct	3347 ms	64468 KB	Output is correct
74	Correct	1 ms	256 KB	Output is correct
75	Correct	1 ms	256 KB	Output is correct
76	Correct	1 ms	256 KB	Output is correct
77	Correct	1 ms	256 KB	Output is correct
78	Correct	1 ms	256 KB	Output is correct
79	Correct	41 ms	1272 KB	Output is correct
80	Correct	3360 ms	64348 KB	Output is correct
81	Correct	3367 ms	64532 KB	Output is correct
82	Correct	3396 ms	64372 KB	Output is correct
83	Correct	3289 ms	64400 KB	Output is correct
84	Correct	3425 ms	64516 KB	Output is correct
85	Correct	3429 ms	64356 KB	Output is correct
86	Correct	1034 ms	1784 KB	Output is correct
87	Correct	1 ms	384 KB	Output is correct

Submission #266443

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