Submission #207831

# Submission time Handle Problem Language Result Execution time Memory
207831 2020-03-09T08:11:37 Z Segtree Strange Device (APIO19_strange_device) C++14
100 / 100
2449 ms 38080 KB
#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<set>
#include<unordered_set>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
#define rep(i,n) for(int i=0;i<n;i++)
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define all(x) x.begin(),x.end()
ll gcd(ll a,ll b){
	return (b?gcd(b,a%b):a);
}
int main(){
	ll n,A,B;
	cin>>n>>A>>B;
	ll M=A/gcd(A,B+1)*B; //cerr<<M<<endl;
	vector<P> v;
	rep(i,n){
		ll l,r;
		cin>>l>>r;
		ll L=l/M,R=r/M;
		if(L+2<=R){
			v.push_back(make_pair(0,+1));
			v.push_back(make_pair(M,-1));
		}
		else if(L+1==R){
			v.push_back(make_pair(0,+1));
			v.push_back(make_pair(r%M+1,-1));
			v.push_back(make_pair(l%M,+1));
			v.push_back(make_pair(M,-1));
		}
		else{
			v.push_back(make_pair(l%M,+1));
			v.push_back(make_pair(r%M+1,-1));
		}
	}
	sort(all(v));
	ll ans=0,rui=0,bef=0;
	for(auto e:v){
		ll t=e.first,di=e.second;
		//cout<<"#"<<t<<" "<<di<<endl;
		ans+=(rui>0)*(t-bef);
		rui+=di;
		bef=t;
	}
	cout<<ans<<endl;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 28 ms 1268 KB Output is correct
3 Correct 29 ms 1396 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 6 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 27 ms 1396 KB Output is correct
17 Correct 239 ms 7268 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 7 ms 376 KB Output is correct
3 Correct 7 ms 376 KB Output is correct
4 Correct 7 ms 376 KB Output is correct
5 Correct 1627 ms 33760 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 2314 ms 33808 KB Output is correct
3 Correct 2330 ms 33852 KB Output is correct
4 Correct 2277 ms 37844 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 2314 ms 33808 KB Output is correct
3 Correct 2330 ms 33852 KB Output is correct
4 Correct 2277 ms 37844 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 2324 ms 37612 KB Output is correct
7 Correct 2288 ms 37820 KB Output is correct
8 Correct 2294 ms 37876 KB Output is correct
9 Correct 2416 ms 37912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 2314 ms 33808 KB Output is correct
3 Correct 2330 ms 33852 KB Output is correct
4 Correct 2277 ms 37844 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 233 ms 7272 KB Output is correct
7 Correct 235 ms 7272 KB Output is correct
8 Correct 233 ms 7396 KB Output is correct
9 Correct 234 ms 7268 KB Output is correct
10 Correct 231 ms 7268 KB Output is correct
11 Correct 233 ms 7268 KB Output is correct
12 Correct 228 ms 7288 KB Output is correct
13 Correct 242 ms 7268 KB Output is correct
14 Correct 237 ms 7268 KB Output is correct
15 Correct 244 ms 7268 KB Output is correct
16 Correct 240 ms 7268 KB Output is correct
17 Correct 238 ms 7268 KB Output is correct
18 Correct 2303 ms 37696 KB Output is correct
19 Correct 2245 ms 37888 KB Output is correct
20 Correct 2407 ms 37820 KB Output is correct
21 Correct 243 ms 7364 KB Output is correct
22 Correct 225 ms 7272 KB Output is correct
23 Correct 744 ms 21232 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 240 ms 7268 KB Output is correct
3 Correct 240 ms 7428 KB Output is correct
4 Correct 2442 ms 37760 KB Output is correct
5 Correct 239 ms 7268 KB Output is correct
6 Correct 238 ms 7268 KB Output is correct
7 Correct 238 ms 7268 KB Output is correct
8 Correct 248 ms 7252 KB Output is correct
9 Correct 237 ms 7268 KB Output is correct
10 Correct 249 ms 7516 KB Output is correct
11 Correct 238 ms 7328 KB Output is correct
12 Correct 232 ms 7288 KB Output is correct
13 Correct 244 ms 7268 KB Output is correct
14 Correct 2400 ms 37636 KB Output is correct
15 Correct 245 ms 7540 KB Output is correct
16 Correct 2264 ms 38004 KB Output is correct
17 Correct 2421 ms 37564 KB Output is correct
18 Correct 5 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 28 ms 1268 KB Output is correct
3 Correct 29 ms 1396 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 6 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 27 ms 1396 KB Output is correct
17 Correct 239 ms 7268 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 7 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 1627 ms 33760 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 2314 ms 33808 KB Output is correct
31 Correct 2330 ms 33852 KB Output is correct
32 Correct 2277 ms 37844 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 2324 ms 37612 KB Output is correct
35 Correct 2288 ms 37820 KB Output is correct
36 Correct 2294 ms 37876 KB Output is correct
37 Correct 2416 ms 37912 KB Output is correct
38 Correct 5 ms 256 KB Output is correct
39 Correct 233 ms 7272 KB Output is correct
40 Correct 235 ms 7272 KB Output is correct
41 Correct 233 ms 7396 KB Output is correct
42 Correct 234 ms 7268 KB Output is correct
43 Correct 231 ms 7268 KB Output is correct
44 Correct 233 ms 7268 KB Output is correct
45 Correct 228 ms 7288 KB Output is correct
46 Correct 242 ms 7268 KB Output is correct
47 Correct 237 ms 7268 KB Output is correct
48 Correct 244 ms 7268 KB Output is correct
49 Correct 240 ms 7268 KB Output is correct
50 Correct 238 ms 7268 KB Output is correct
51 Correct 2303 ms 37696 KB Output is correct
52 Correct 2245 ms 37888 KB Output is correct
53 Correct 2407 ms 37820 KB Output is correct
54 Correct 243 ms 7364 KB Output is correct
55 Correct 225 ms 7272 KB Output is correct
56 Correct 744 ms 21232 KB Output is correct
57 Correct 5 ms 256 KB Output is correct
58 Correct 240 ms 7268 KB Output is correct
59 Correct 240 ms 7428 KB Output is correct
60 Correct 2442 ms 37760 KB Output is correct
61 Correct 239 ms 7268 KB Output is correct
62 Correct 238 ms 7268 KB Output is correct
63 Correct 238 ms 7268 KB Output is correct
64 Correct 248 ms 7252 KB Output is correct
65 Correct 237 ms 7268 KB Output is correct
66 Correct 249 ms 7516 KB Output is correct
67 Correct 238 ms 7328 KB Output is correct
68 Correct 232 ms 7288 KB Output is correct
69 Correct 244 ms 7268 KB Output is correct
70 Correct 2400 ms 37636 KB Output is correct
71 Correct 245 ms 7540 KB Output is correct
72 Correct 2264 ms 38004 KB Output is correct
73 Correct 2421 ms 37564 KB Output is correct
74 Correct 5 ms 256 KB Output is correct
75 Correct 5 ms 256 KB Output is correct
76 Correct 5 ms 256 KB Output is correct
77 Correct 5 ms 256 KB Output is correct
78 Correct 5 ms 256 KB Output is correct
79 Correct 28 ms 1268 KB Output is correct
80 Correct 2449 ms 37924 KB Output is correct
81 Correct 2446 ms 38024 KB Output is correct
82 Correct 2396 ms 37628 KB Output is correct
83 Correct 2422 ms 37632 KB Output is correct
84 Correct 2411 ms 38080 KB Output is correct
85 Correct 2375 ms 37924 KB Output is correct
86 Correct 740 ms 21232 KB Output is correct
87 Correct 5 ms 256 KB Output is correct