답안 #658810

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
658810	2022-11-15T02:26:48 Z	rsjw	Long Distance Coach (JOI17_coach)	C++17	100 / 100	413 ms	12376 KB

coach

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 200110;
int s[N],f[N];
struct passenger {
	int d,c;
	bool operator < (const passenger &ri) const {
		return d<ri.d;
	}
} A[N];
int x,n,m,w,t;
bool cmp(int a,int b) {
	return a%t<b%t;
}
#define K(p) (-(p)*w)
#define B(p) (f[p]-A[p].c)
#define E(p,x) (K(p)*(x)+B(p))
#define itsec(k1,k2) (long double)(B(k2)-B(k1))/(K(k1)-K(k2))
int h=0,top=1;//stack in fact 
int q[N];
int getmin(int x) {
	int l=0,r=top-2,mid;
	while(l<=r) {
		mid=(l+r)/2;
		if(itsec(q[mid],q[mid+1])>x) r=mid-1; else l=mid+1;
	}
	return q[r+1];
}
signed main() {
	int i,j=1,Mn;
	//freopen("1.in","r",stdin);
	cin>>x>>n>>m>>w>>t;
	for(i=1; i<=n; i++) cin>>s[i];
	for(i=1; i<=m; i++) cin>>A[i].d>>A[i].c;
	A[m+1].d=t,f[0]=0,s[++n]=x;
	sort(s+1,s+n+1,cmp),sort(A+1,A+m+1);
	for(i=1; i<=m; i++) A[i].c+=A[i-1].c;
	while(s[j]%t<=A[1].d&&j<=n) j++;
	for(i=1; i<=m; i++) {
		for(Mn=1e16; j<=n&&s[j]%t<=A[i+1].d; j++) Mn=min(Mn,s[j]/t);
		f[i]=f[i-1]+((x-A[i].d)/t+1)*w;
		if(Mn!=1e16&&h<top) {
			int ans=1e16;
//			for(int k=0; k<i; k++) ans=min(ans,E(k,Mn));
//			assert(ans==E(getmin(Mn),Mn));
			ans=E(getmin(Mn),Mn);
			f[i]=min(E(getmin(Mn),Mn)+A[i].c+i*w*Mn,f[i]);
		}
		while(top-h>=2&&itsec(q[top-1],q[top-2])>=itsec(i,q[top-1])) top--;
		q[top++]=i;
	}
	cout<<f[m]+(x/t+1)*w<<endl;
	return 0;
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:44:8: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   44 |    int ans=1e16;
      |        ^~~

Subtask #1
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	304 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	304 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	304 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	3 ms	340 KB	Output is correct
39	Correct	3 ms	340 KB	Output is correct
40	Correct	4 ms	448 KB	Output is correct
41	Correct	3 ms	320 KB	Output is correct
42	Correct	3 ms	320 KB	Output is correct
43	Correct	2 ms	340 KB	Output is correct
44	Correct	3 ms	340 KB	Output is correct
45	Correct	2 ms	408 KB	Output is correct
46	Correct	2 ms	324 KB	Output is correct
47	Correct	3 ms	340 KB	Output is correct
48	Correct	3 ms	320 KB	Output is correct
49	Correct	3 ms	340 KB	Output is correct
50	Correct	3 ms	340 KB	Output is correct
51	Correct	3 ms	344 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	304 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	312 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	1 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	312 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	308 KB	Output is correct
25	Correct	1 ms	212 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	308 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	308 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	212 KB	Output is correct
33	Correct	1 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	1 ms	212 KB	Output is correct
36	Correct	1 ms	212 KB	Output is correct
37	Correct	1 ms	212 KB	Output is correct
38	Correct	3 ms	340 KB	Output is correct
39	Correct	3 ms	340 KB	Output is correct
40	Correct	4 ms	448 KB	Output is correct
41	Correct	3 ms	320 KB	Output is correct
42	Correct	3 ms	320 KB	Output is correct
43	Correct	2 ms	340 KB	Output is correct
44	Correct	3 ms	340 KB	Output is correct
45	Correct	2 ms	408 KB	Output is correct
46	Correct	2 ms	324 KB	Output is correct
47	Correct	3 ms	340 KB	Output is correct
48	Correct	3 ms	320 KB	Output is correct
49	Correct	3 ms	340 KB	Output is correct
50	Correct	3 ms	340 KB	Output is correct
51	Correct	3 ms	344 KB	Output is correct
52	Correct	310 ms	12332 KB	Output is correct
53	Correct	363 ms	12236 KB	Output is correct
54	Correct	286 ms	11420 KB	Output is correct
55	Correct	297 ms	11644 KB	Output is correct
56	Correct	288 ms	11948 KB	Output is correct
57	Correct	294 ms	11628 KB	Output is correct
58	Correct	302 ms	12232 KB	Output is correct
59	Correct	296 ms	11700 KB	Output is correct
60	Correct	278 ms	11408 KB	Output is correct
61	Correct	284 ms	11592 KB	Output is correct
62	Correct	297 ms	11616 KB	Output is correct
63	Correct	299 ms	12096 KB	Output is correct
64	Correct	307 ms	12376 KB	Output is correct
65	Correct	393 ms	12248 KB	Output is correct
66	Correct	400 ms	12292 KB	Output is correct
67	Correct	385 ms	12288 KB	Output is correct
68	Correct	413 ms	12240 KB	Output is correct
69	Correct	300 ms	11992 KB	Output is correct
70	Correct	315 ms	12048 KB	Output is correct
71	Correct	302 ms	12012 KB	Output is correct
72	Correct	303 ms	12164 KB	Output is correct
73	Correct	298 ms	11984 KB	Output is correct
74	Correct	299 ms	12088 KB	Output is correct
75	Correct	302 ms	12184 KB	Output is correct
76	Correct	305 ms	12144 KB	Output is correct
77	Correct	293 ms	12032 KB	Output is correct
78	Correct	312 ms	12196 KB	Output is correct
79	Correct	297 ms	11596 KB	Output is correct
80	Correct	298 ms	11580 KB	Output is correct

답안 #658810

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 30.0 / 30.0

Subtask #3 25.0 / 25.0

Subtask #4 29.0 / 29.0

Subtask #1
16.0 / 16.0

Subtask #2
30.0 / 30.0

Subtask #3
25.0 / 25.0

Subtask #4
29.0 / 29.0