답안 #1086017

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1086017	2024-09-09T09:56:48 Z	peacebringer1667	이상한 기계 (APIO19_strange_device)	C++17	100 / 100	391 ms	69992 KB

strange_device

#include<bits/stdc++.h>
#define ll long long
#define ldb long double
#define fi first
#define se second
#define sza(a) (int)a.size()
#define pir pair<int,int>
#define pirll pair<ll,ll>
using namespace std;
const ll inf = 1e18 + 1e17;
const int maxn = 1e6 + 5;

ll l[maxn],r[maxn];
vector <pirll> lst;

void input(int n){
	for (int i = 1 ; i <= n ; i++) cin >> l[i] >> r[i];
}
ll get_val(ll A,ll B){
	A /= __gcd(A,B + 1);
	if (A > inf/B) return inf;
	return A * B;
}


void gen_pir(int n,ll T){
	for (int i = 1 ; i <= n ; i++){
		ll L = l[i],R = r[i];
		
		if (L/T == R/T){
		  lst.push_back({L % T,R % T});
	      continue;
		}
		
		if (R/T > L/T + 1){
			lst.push_back({0,T - 1});
			return;
		}
		
	    ll NL = L + (T - L % T) - 1;
	    if (NL >= L)
	      lst.push_back({L % T,NL % T});
	    
	    ll NR = R - R % T;
	    lst.push_back({NR % T,R % T});
		//L..R
	}
}

ll solve(int n,ll T){
	gen_pir(n,T);
	
	sort(lst.begin(),lst.end());
	ll L = lst[0].fi,R = lst[0].se;
	ll res = lst[0].se - lst[0].fi + 1,cur = R;
	
	for (int i = 1 ; i < lst.size() ; i++){
		L = lst[i].fi;R = lst[i].se;
		
		if (R > cur) res += R - max(cur + 1,L) + 1;
		cur = max(cur,R);
	}
	
	return res;
}

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);

	int n;ll A,B;
	cin >> n >> A >> B;
	input(n);
	
	ll T = get_val(A,B);
 	
 	cout << solve(n,T);
	

	return 0;
}

Compilation message

strange_device.cpp: In function 'long long int solve(int, long long int)':
strange_device.cpp:57:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |  for (int i = 1 ; i < lst.size() ; i++){
      |                   ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1372 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 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	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1372 KB	Output is correct
17	Correct	32 ms	7720 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	209 ms	57796 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	289 ms	69560 KB	Output is correct
3	Correct	295 ms	69900 KB	Output is correct
4	Correct	284 ms	69572 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	289 ms	69560 KB	Output is correct
3	Correct	295 ms	69900 KB	Output is correct
4	Correct	284 ms	69572 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	316 ms	69564 KB	Output is correct
7	Correct	285 ms	69472 KB	Output is correct
8	Correct	287 ms	69720 KB	Output is correct
9	Correct	333 ms	69828 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	289 ms	69560 KB	Output is correct
3	Correct	295 ms	69900 KB	Output is correct
4	Correct	284 ms	69572 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	28 ms	7884 KB	Output is correct
7	Correct	30 ms	7896 KB	Output is correct
8	Correct	28 ms	7808 KB	Output is correct
9	Correct	29 ms	7888 KB	Output is correct
10	Correct	28 ms	7884 KB	Output is correct
11	Correct	29 ms	7732 KB	Output is correct
12	Correct	28 ms	7756 KB	Output is correct
13	Correct	31 ms	7800 KB	Output is correct
14	Correct	28 ms	7892 KB	Output is correct
15	Correct	31 ms	7888 KB	Output is correct
16	Correct	30 ms	7888 KB	Output is correct
17	Correct	29 ms	7924 KB	Output is correct
18	Correct	288 ms	69992 KB	Output is correct
19	Correct	292 ms	69568 KB	Output is correct
20	Correct	332 ms	69732 KB	Output is correct
21	Correct	36 ms	7736 KB	Output is correct
22	Correct	27 ms	7884 KB	Output is correct
23	Correct	84 ms	26504 KB	Output is correct

Subtask #7
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	31 ms	7888 KB	Output is correct
3	Correct	31 ms	7884 KB	Output is correct
4	Correct	334 ms	69580 KB	Output is correct
5	Correct	31 ms	7824 KB	Output is correct
6	Correct	31 ms	7892 KB	Output is correct
7	Correct	32 ms	7920 KB	Output is correct
8	Correct	32 ms	7944 KB	Output is correct
9	Correct	37 ms	7876 KB	Output is correct
10	Correct	32 ms	7832 KB	Output is correct
11	Correct	33 ms	7700 KB	Output is correct
12	Correct	29 ms	7844 KB	Output is correct
13	Correct	34 ms	7720 KB	Output is correct
14	Correct	371 ms	69700 KB	Output is correct
15	Correct	30 ms	7884 KB	Output is correct
16	Correct	310 ms	69680 KB	Output is correct
17	Correct	303 ms	69600 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #8
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	3 ms	1372 KB	Output is correct
3	Correct	3 ms	1372 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 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	344 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	3 ms	1372 KB	Output is correct
17	Correct	32 ms	7720 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	209 ms	57796 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	289 ms	69560 KB	Output is correct
31	Correct	295 ms	69900 KB	Output is correct
32	Correct	284 ms	69572 KB	Output is correct
33	Correct	0 ms	344 KB	Output is correct
34	Correct	316 ms	69564 KB	Output is correct
35	Correct	285 ms	69472 KB	Output is correct
36	Correct	287 ms	69720 KB	Output is correct
37	Correct	333 ms	69828 KB	Output is correct
38	Correct	0 ms	344 KB	Output is correct
39	Correct	28 ms	7884 KB	Output is correct
40	Correct	30 ms	7896 KB	Output is correct
41	Correct	28 ms	7808 KB	Output is correct
42	Correct	29 ms	7888 KB	Output is correct
43	Correct	28 ms	7884 KB	Output is correct
44	Correct	29 ms	7732 KB	Output is correct
45	Correct	28 ms	7756 KB	Output is correct
46	Correct	31 ms	7800 KB	Output is correct
47	Correct	28 ms	7892 KB	Output is correct
48	Correct	31 ms	7888 KB	Output is correct
49	Correct	30 ms	7888 KB	Output is correct
50	Correct	29 ms	7924 KB	Output is correct
51	Correct	288 ms	69992 KB	Output is correct
52	Correct	292 ms	69568 KB	Output is correct
53	Correct	332 ms	69732 KB	Output is correct
54	Correct	36 ms	7736 KB	Output is correct
55	Correct	27 ms	7884 KB	Output is correct
56	Correct	84 ms	26504 KB	Output is correct
57	Correct	0 ms	344 KB	Output is correct
58	Correct	31 ms	7888 KB	Output is correct
59	Correct	31 ms	7884 KB	Output is correct
60	Correct	334 ms	69580 KB	Output is correct
61	Correct	31 ms	7824 KB	Output is correct
62	Correct	31 ms	7892 KB	Output is correct
63	Correct	32 ms	7920 KB	Output is correct
64	Correct	32 ms	7944 KB	Output is correct
65	Correct	37 ms	7876 KB	Output is correct
66	Correct	32 ms	7832 KB	Output is correct
67	Correct	33 ms	7700 KB	Output is correct
68	Correct	29 ms	7844 KB	Output is correct
69	Correct	34 ms	7720 KB	Output is correct
70	Correct	371 ms	69700 KB	Output is correct
71	Correct	30 ms	7884 KB	Output is correct
72	Correct	310 ms	69680 KB	Output is correct
73	Correct	303 ms	69600 KB	Output is correct
74	Correct	0 ms	348 KB	Output is correct
75	Correct	1 ms	344 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	464 KB	Output is correct
78	Correct	0 ms	348 KB	Output is correct
79	Correct	4 ms	1372 KB	Output is correct
80	Correct	355 ms	69672 KB	Output is correct
81	Correct	366 ms	69696 KB	Output is correct
82	Correct	328 ms	69776 KB	Output is correct
83	Correct	324 ms	69904 KB	Output is correct
84	Correct	391 ms	69716 KB	Output is correct
85	Correct	389 ms	69820 KB	Output is correct
86	Correct	124 ms	26564 KB	Output is correct
87	Correct	0 ms	348 KB	Output is correct