답안 #346641

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
346641	2021-01-10T14:00:10 Z	YJU	이상한 기계 (APIO19_strange_device)	C++14	100 / 100	529 ms	27120 KB

strange_device

#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e5+5;
const ld pi=acos(-1);
const ll INF=1e18;
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()

ll n,a,b,ans,last=-1,x,y;
vector<pll> v;

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>a>>b;
	ll g=__gcd(a,b+1);
	if((long double)a/g*b>1e18){
		REP(i,n)cin>>x>>y,ans+=y-x+1;
		cout<<ans<<"\n";return 0;
	}
	ll ab=(a/g*b);
	REP(i,n){
		cin>>x>>y;
		if(y-x+1>=ab){cout<<ab<<"\n";return 0;}
		x%=ab;y%=ab;
		if(x>y){
			v.pb(mp(x,ab-1));
			v.pb(mp(0,y));
		}else{
			v.pb(mp(x,y));
		}
	}
	sort(v.begin(),v.end());
	for(auto i:v){
		ans+=max(0LL,i.Y-max(last,i.X-1));
		last=max(last,i.Y);
	}
	cout<<min(ans,ab)<<"\n";
	return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	5 ms	768 KB	Output is correct
3	Correct	5 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	0 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	6 ms	748 KB	Output is correct
17	Correct	53 ms	2920 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	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	332 ms	17232 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	458 ms	16952 KB	Output is correct
3	Correct	452 ms	17352 KB	Output is correct
4	Correct	436 ms	17232 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	458 ms	16952 KB	Output is correct
3	Correct	452 ms	17352 KB	Output is correct
4	Correct	436 ms	17232 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	447 ms	17232 KB	Output is correct
7	Correct	456 ms	17380 KB	Output is correct
8	Correct	445 ms	17232 KB	Output is correct
9	Correct	494 ms	17272 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	458 ms	16952 KB	Output is correct
3	Correct	452 ms	17352 KB	Output is correct
4	Correct	436 ms	17232 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	44 ms	2920 KB	Output is correct
7	Correct	48 ms	2792 KB	Output is correct
8	Correct	44 ms	2792 KB	Output is correct
9	Correct	47 ms	2792 KB	Output is correct
10	Correct	46 ms	2976 KB	Output is correct
11	Correct	45 ms	2844 KB	Output is correct
12	Correct	43 ms	2792 KB	Output is correct
13	Correct	48 ms	2792 KB	Output is correct
14	Correct	46 ms	2792 KB	Output is correct
15	Correct	49 ms	2792 KB	Output is correct
16	Correct	51 ms	2792 KB	Output is correct
17	Correct	45 ms	2792 KB	Output is correct
18	Correct	454 ms	17232 KB	Output is correct
19	Correct	450 ms	17232 KB	Output is correct
20	Correct	499 ms	17232 KB	Output is correct
21	Correct	48 ms	2792 KB	Output is correct
22	Correct	42 ms	2792 KB	Output is correct
23	Correct	140 ms	8944 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	48 ms	2536 KB	Output is correct
3	Correct	47 ms	2920 KB	Output is correct
4	Correct	523 ms	17232 KB	Output is correct
5	Correct	47 ms	2792 KB	Output is correct
6	Correct	49 ms	2792 KB	Output is correct
7	Correct	49 ms	2792 KB	Output is correct
8	Correct	48 ms	2792 KB	Output is correct
9	Correct	46 ms	2792 KB	Output is correct
10	Correct	49 ms	2792 KB	Output is correct
11	Correct	48 ms	2792 KB	Output is correct
12	Correct	42 ms	2792 KB	Output is correct
13	Correct	47 ms	2792 KB	Output is correct
14	Correct	495 ms	17372 KB	Output is correct
15	Correct	47 ms	2804 KB	Output is correct
16	Correct	448 ms	17232 KB	Output is correct
17	Correct	440 ms	17232 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct

Subtask #8
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	364 KB	Output is correct
2	Correct	5 ms	768 KB	Output is correct
3	Correct	5 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	0 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	6 ms	748 KB	Output is correct
17	Correct	53 ms	2920 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	0 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	0 ms	364 KB	Output is correct
22	Correct	0 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	0 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	332 ms	17232 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	458 ms	16952 KB	Output is correct
31	Correct	452 ms	17352 KB	Output is correct
32	Correct	436 ms	17232 KB	Output is correct
33	Correct	0 ms	364 KB	Output is correct
34	Correct	447 ms	17232 KB	Output is correct
35	Correct	456 ms	17380 KB	Output is correct
36	Correct	445 ms	17232 KB	Output is correct
37	Correct	494 ms	17272 KB	Output is correct
38	Correct	1 ms	384 KB	Output is correct
39	Correct	44 ms	2920 KB	Output is correct
40	Correct	48 ms	2792 KB	Output is correct
41	Correct	44 ms	2792 KB	Output is correct
42	Correct	47 ms	2792 KB	Output is correct
43	Correct	46 ms	2976 KB	Output is correct
44	Correct	45 ms	2844 KB	Output is correct
45	Correct	43 ms	2792 KB	Output is correct
46	Correct	48 ms	2792 KB	Output is correct
47	Correct	46 ms	2792 KB	Output is correct
48	Correct	49 ms	2792 KB	Output is correct
49	Correct	51 ms	2792 KB	Output is correct
50	Correct	45 ms	2792 KB	Output is correct
51	Correct	454 ms	17232 KB	Output is correct
52	Correct	450 ms	17232 KB	Output is correct
53	Correct	499 ms	17232 KB	Output is correct
54	Correct	48 ms	2792 KB	Output is correct
55	Correct	42 ms	2792 KB	Output is correct
56	Correct	140 ms	8944 KB	Output is correct
57	Correct	0 ms	364 KB	Output is correct
58	Correct	48 ms	2536 KB	Output is correct
59	Correct	47 ms	2920 KB	Output is correct
60	Correct	523 ms	17232 KB	Output is correct
61	Correct	47 ms	2792 KB	Output is correct
62	Correct	49 ms	2792 KB	Output is correct
63	Correct	49 ms	2792 KB	Output is correct
64	Correct	48 ms	2792 KB	Output is correct
65	Correct	46 ms	2792 KB	Output is correct
66	Correct	49 ms	2792 KB	Output is correct
67	Correct	48 ms	2792 KB	Output is correct
68	Correct	42 ms	2792 KB	Output is correct
69	Correct	47 ms	2792 KB	Output is correct
70	Correct	495 ms	17372 KB	Output is correct
71	Correct	47 ms	2804 KB	Output is correct
72	Correct	448 ms	17232 KB	Output is correct
73	Correct	440 ms	17232 KB	Output is correct
74	Correct	1 ms	364 KB	Output is correct
75	Correct	1 ms	364 KB	Output is correct
76	Correct	1 ms	364 KB	Output is correct
77	Correct	1 ms	364 KB	Output is correct
78	Correct	1 ms	364 KB	Output is correct
79	Correct	5 ms	1132 KB	Output is correct
80	Correct	520 ms	27028 KB	Output is correct
81	Correct	529 ms	26960 KB	Output is correct
82	Correct	490 ms	26960 KB	Output is correct
83	Correct	488 ms	26960 KB	Output is correct
84	Correct	493 ms	27120 KB	Output is correct
85	Correct	493 ms	26960 KB	Output is correct
86	Correct	152 ms	18484 KB	Output is correct
87	Correct	1 ms	364 KB	Output is correct

답안 #346641

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