Submission #335116

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
335116	2020-12-11T07:38:55 Z	CSQ31	Strange Device (APIO19_strange_device)	C++14	100 / 100	1546 ms	53748 KB

strange_device

#pragma GCC optimize("Ofast") 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define all(a) a.begin(),a.end()
#define sz(a) (int)(a.size())
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e9+7)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll A,ll B) {if(!B)return A;return gcd(B,A%B);}
int main()
{
	ll n,a,b;
	cin>>n>>a>>b;
	ll C = a/gcd(a,b+1) > INF/b?INF+1:(a/gcd(a,b+1))*b;
   // cout<<C<<'\n';
	vector<PII>s;
	for(int i=0;i<n;i++){
		ll l,r;
		cin>>l>>r;
		if(r-l+1 > C){cout<<C;return 0;}
		l%=C;
		r%=C;
		if(r >= l){
			s.pb({l,r});
		}else{
			s.pb({l,C-1});
			s.pb({0,r});
		}
	}
	sort(all(s));
	ll ans = 0;
	ll lf = 0;
	ll rg = -1;
	for(int i=0;i<sz(s);i++){
		//cout<<s[i].fi<<" "<<s[i].se<<'\n';
		if(s[i].fi > rg){
			ans+=rg-lf+1;
			lf = s[i].fi;
			rg = s[i].se;
			if(i == sz(s)-1)ans+=rg-lf+1;
		}else{
			rg = max(rg,s[i].se);
			if(i == sz(s)-1)ans+=rg-lf+1;
		}
		//cout<<ans<<'\n';
	}
	cout<<ans<<'\n';
	
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	15 ms	748 KB	Output is correct
3	Correct	15 ms	748 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	0 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	17 ms	764 KB	Output is correct
17	Correct	154 ms	2528 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	3 ms	364 KB	Output is correct
3	Correct	2 ms	364 KB	Output is correct
4	Correct	3 ms	364 KB	Output is correct
5	Correct	1066 ms	16956 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1463 ms	17084 KB	Output is correct
3	Correct	1461 ms	16896 KB	Output is correct
4	Correct	1439 ms	17160 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1463 ms	17084 KB	Output is correct
3	Correct	1461 ms	16896 KB	Output is correct
4	Correct	1439 ms	17160 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1445 ms	17252 KB	Output is correct
7	Correct	1459 ms	16968 KB	Output is correct
8	Correct	1451 ms	17104 KB	Output is correct
9	Correct	1490 ms	16976 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1463 ms	17084 KB	Output is correct
3	Correct	1461 ms	16896 KB	Output is correct
4	Correct	1439 ms	17160 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	154 ms	2560 KB	Output is correct
7	Correct	147 ms	2528 KB	Output is correct
8	Correct	146 ms	2528 KB	Output is correct
9	Correct	148 ms	2700 KB	Output is correct
10	Correct	144 ms	2528 KB	Output is correct
11	Correct	147 ms	2528 KB	Output is correct
12	Correct	142 ms	2528 KB	Output is correct
13	Correct	147 ms	2528 KB	Output is correct
14	Correct	144 ms	2528 KB	Output is correct
15	Correct	149 ms	2528 KB	Output is correct
16	Correct	149 ms	2528 KB	Output is correct
17	Correct	147 ms	2528 KB	Output is correct
18	Correct	1454 ms	16968 KB	Output is correct
19	Correct	1442 ms	16968 KB	Output is correct
20	Correct	1503 ms	17076 KB	Output is correct
21	Correct	149 ms	2656 KB	Output is correct
22	Correct	143 ms	2528 KB	Output is correct
23	Correct	485 ms	8796 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	147 ms	2528 KB	Output is correct
3	Correct	147 ms	2528 KB	Output is correct
4	Correct	1534 ms	16956 KB	Output is correct
5	Correct	147 ms	2528 KB	Output is correct
6	Correct	148 ms	2528 KB	Output is correct
7	Correct	148 ms	2528 KB	Output is correct
8	Correct	148 ms	2528 KB	Output is correct
9	Correct	147 ms	2712 KB	Output is correct
10	Correct	149 ms	2528 KB	Output is correct
11	Correct	150 ms	2528 KB	Output is correct
12	Correct	144 ms	2656 KB	Output is correct
13	Correct	156 ms	2528 KB	Output is correct
14	Correct	1496 ms	16968 KB	Output is correct
15	Correct	147 ms	2528 KB	Output is correct
16	Correct	1498 ms	16904 KB	Output is correct
17	Correct	1451 ms	17116 KB	Output is correct
18	Correct	0 ms	364 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	15 ms	748 KB	Output is correct
3	Correct	15 ms	748 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	0 ms	364 KB	Output is correct
12	Correct	0 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	17 ms	764 KB	Output is correct
17	Correct	154 ms	2528 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	0 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	3 ms	364 KB	Output is correct
26	Correct	2 ms	364 KB	Output is correct
27	Correct	3 ms	364 KB	Output is correct
28	Correct	1066 ms	16956 KB	Output is correct
29	Correct	0 ms	364 KB	Output is correct
30	Correct	1463 ms	17084 KB	Output is correct
31	Correct	1461 ms	16896 KB	Output is correct
32	Correct	1439 ms	17160 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1445 ms	17252 KB	Output is correct
35	Correct	1459 ms	16968 KB	Output is correct
36	Correct	1451 ms	17104 KB	Output is correct
37	Correct	1490 ms	16976 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	154 ms	2560 KB	Output is correct
40	Correct	147 ms	2528 KB	Output is correct
41	Correct	146 ms	2528 KB	Output is correct
42	Correct	148 ms	2700 KB	Output is correct
43	Correct	144 ms	2528 KB	Output is correct
44	Correct	147 ms	2528 KB	Output is correct
45	Correct	142 ms	2528 KB	Output is correct
46	Correct	147 ms	2528 KB	Output is correct
47	Correct	144 ms	2528 KB	Output is correct
48	Correct	149 ms	2528 KB	Output is correct
49	Correct	149 ms	2528 KB	Output is correct
50	Correct	147 ms	2528 KB	Output is correct
51	Correct	1454 ms	16968 KB	Output is correct
52	Correct	1442 ms	16968 KB	Output is correct
53	Correct	1503 ms	17076 KB	Output is correct
54	Correct	149 ms	2656 KB	Output is correct
55	Correct	143 ms	2528 KB	Output is correct
56	Correct	485 ms	8796 KB	Output is correct
57	Correct	1 ms	364 KB	Output is correct
58	Correct	147 ms	2528 KB	Output is correct
59	Correct	147 ms	2528 KB	Output is correct
60	Correct	1534 ms	16956 KB	Output is correct
61	Correct	147 ms	2528 KB	Output is correct
62	Correct	148 ms	2528 KB	Output is correct
63	Correct	148 ms	2528 KB	Output is correct
64	Correct	148 ms	2528 KB	Output is correct
65	Correct	147 ms	2712 KB	Output is correct
66	Correct	149 ms	2528 KB	Output is correct
67	Correct	150 ms	2528 KB	Output is correct
68	Correct	144 ms	2656 KB	Output is correct
69	Correct	156 ms	2528 KB	Output is correct
70	Correct	1496 ms	16968 KB	Output is correct
71	Correct	147 ms	2528 KB	Output is correct
72	Correct	1498 ms	16904 KB	Output is correct
73	Correct	1451 ms	17116 KB	Output is correct
74	Correct	0 ms	364 KB	Output is correct
75	Correct	1 ms	364 KB	Output is correct
76	Correct	1 ms	316 KB	Output is correct
77	Correct	1 ms	364 KB	Output is correct
78	Correct	1 ms	364 KB	Output is correct
79	Correct	18 ms	1132 KB	Output is correct
80	Correct	1543 ms	53452 KB	Output is correct
81	Correct	1546 ms	53468 KB	Output is correct
82	Correct	1500 ms	53748 KB	Output is correct
83	Correct	1503 ms	53572 KB	Output is correct
84	Correct	1509 ms	53592 KB	Output is correct
85	Correct	1516 ms	53564 KB	Output is correct
86	Correct	486 ms	18644 KB	Output is correct
87	Correct	1 ms	364 KB	Output is correct

Submission #335116

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