답안 #27680 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
27680	2017-07-13T12:10:59 Z	suhgyuho_william	Long Distance Coach (JOI17_coach)	C++14	100 / 100	229 ms	14524 KB

coach

#include <bits/stdc++.h>

#define lld long long
#define pii pair<int,int>
#define pll pair<lld,lld>
#define pb push_back
#define next nextt
#define Inf 1000000000
#define Linf 1000000000000000000LL
#define Mod 1000000007

using namespace std;

int N,M;
lld X,W,T;
lld a[200002],d[200002],memo[200002],sum[200002];
struct data{
	lld d,c;
	data(){}
	data(lld d,lld c):d(d),c(c){}
	bool operator < (const data &cmp) const{
		return d < cmp.d;
	}
}b[200002];

pll tmp[200002];
struct CHTaaa{
	int cr = -1;
	lld f(int num,lld x){
		return tmp[num].first*x+tmp[num].second;
	}
	lld ccw(pll x,pll y,pll z){
		return (x.first*y.second+y.first*z.second+z.first*x.second)
			-(y.first*x.second+z.first*y.second+x.first*z.second);
	}
	void add(lld x,lld y){
		while(cr > 0 && ccw(tmp[cr-1],tmp[cr],pll(x,y)) >= 0) cr--;
		cr++;
		tmp[cr] = pll(x,y);
	}
	lld get(lld x){
		int l,r;
		l = 0; r = cr;
		while(l < r){
			int m = (l+r)>>1;
			if(f(m,x) < f(m+1,x)) r = m;
			else l = m+1;
		}
		return f(l,x);
	}
}cht;

lld get(lld x){
	return ((X-x)/T+1)*W;
}

int main(){
	long long iX,iW,iT;
	scanf("%lld %d %d %lld %lld",&iX,&N,&M,&iW,&iT);
	X = iX; W = iW; T = iT;
	for(int i=1; i<=N; i++){
		long long ia;
		scanf("%lld",&ia);
		a[i] = ia;
	}
	sort(a+1,a+N+1);
	for(int i=1; i<=M; i++){
		long long id,ic;
		scanf("%lld %lld",&id,&ic);
		b[i].d = id; b[i].c = ic;
	}
	sort(b+1,b+M+1);
	a[N+1] = X;
	for(int i=1; i<=M; i++){
		memo[i] = Linf;
		sum[i] = sum[i-1]+b[i].c;
	}
	for(int i=1; i<=N+1; i++){
		int it;
		it = lower_bound(b+1,b+M+1,data(a[i]%T,0))-b-1;
		memo[it] = min(memo[it],(a[i]/T)*W);
	}
	
	d[0] = get(0);
	cht.add(0,d[0]);
	for(int i=1; i<=M; i++){
		d[i] = Linf;
		if(memo[i] != Linf){
			d[i] = cht.get(memo[i]);
			d[i] += sum[i]+memo[i]*i;
		}
		d[i] = min(d[i],d[i-1]+get(b[i].d));
		cht.add(-i,d[i]-sum[i]);
	}
	long long print = d[M];
	printf("%lld\n",print);

	return 0;
}

Compilation message

coach.cpp: In function 'int main()':
coach.cpp:59:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %d %d %lld %lld",&iX,&N,&M,&iW,&iT);
                                                 ^
coach.cpp:63:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&ia);
                    ^
coach.cpp:69:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld",&id,&ic);
                             ^

Subtask #1
16.0 / 16.0

#	결과	메모리	Grader output
1	Correct	14524 KB	Output is correct
2	Correct	14524 KB	Output is correct
3	Correct	14524 KB	Output is correct
4	Correct	14524 KB	Output is correct
5	Correct	14524 KB	Output is correct
6	Correct	14524 KB	Output is correct
7	Correct	14524 KB	Output is correct
8	Correct	14524 KB	Output is correct
9	Correct	14524 KB	Output is correct
10	Correct	14524 KB	Output is correct
11	Correct	14524 KB	Output is correct
12	Correct	14524 KB	Output is correct
13	Correct	14524 KB	Output is correct
14	Correct	14524 KB	Output is correct
15	Correct	14524 KB	Output is correct
16	Correct	14524 KB	Output is correct
17	Correct	14524 KB	Output is correct
18	Correct	14524 KB	Output is correct
19	Correct	14524 KB	Output is correct
20	Correct	14524 KB	Output is correct
21	Correct	14524 KB	Output is correct
22	Correct	14524 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	메모리	Grader output
1	Correct	14524 KB	Output is correct
2	Correct	14524 KB	Output is correct
3	Correct	14524 KB	Output is correct
4	Correct	14524 KB	Output is correct
5	Correct	14524 KB	Output is correct
6	Correct	14524 KB	Output is correct
7	Correct	14524 KB	Output is correct
8	Correct	14524 KB	Output is correct
9	Correct	14524 KB	Output is correct
10	Correct	14524 KB	Output is correct
11	Correct	14524 KB	Output is correct
12	Correct	14524 KB	Output is correct
13	Correct	14524 KB	Output is correct
14	Correct	14524 KB	Output is correct
15	Correct	14524 KB	Output is correct
16	Correct	14524 KB	Output is correct
17	Correct	14524 KB	Output is correct
18	Correct	14524 KB	Output is correct
19	Correct	14524 KB	Output is correct
20	Correct	14524 KB	Output is correct
21	Correct	14524 KB	Output is correct
22	Correct	14524 KB	Output is correct
23	Correct	14524 KB	Output is correct
24	Correct	14524 KB	Output is correct
25	Correct	14524 KB	Output is correct
26	Correct	14524 KB	Output is correct
27	Correct	14524 KB	Output is correct
28	Correct	14524 KB	Output is correct
29	Correct	14524 KB	Output is correct
30	Correct	14524 KB	Output is correct
31	Correct	14524 KB	Output is correct
32	Correct	14524 KB	Output is correct
33	Correct	14524 KB	Output is correct
34	Correct	14524 KB	Output is correct
35	Correct	14524 KB	Output is correct
36	Correct	14524 KB	Output is correct
37	Correct	14524 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	메모리	Grader output
1	Correct	14524 KB	Output is correct
2	Correct	14524 KB	Output is correct
3	Correct	14524 KB	Output is correct
4	Correct	14524 KB	Output is correct
5	Correct	14524 KB	Output is correct
6	Correct	14524 KB	Output is correct
7	Correct	14524 KB	Output is correct
8	Correct	14524 KB	Output is correct
9	Correct	14524 KB	Output is correct
10	Correct	14524 KB	Output is correct
11	Correct	14524 KB	Output is correct
12	Correct	14524 KB	Output is correct
13	Correct	14524 KB	Output is correct
14	Correct	14524 KB	Output is correct
15	Correct	14524 KB	Output is correct
16	Correct	14524 KB	Output is correct
17	Correct	14524 KB	Output is correct
18	Correct	14524 KB	Output is correct
19	Correct	14524 KB	Output is correct
20	Correct	14524 KB	Output is correct
21	Correct	14524 KB	Output is correct
22	Correct	14524 KB	Output is correct
23	Correct	14524 KB	Output is correct
24	Correct	14524 KB	Output is correct
25	Correct	14524 KB	Output is correct
26	Correct	14524 KB	Output is correct
27	Correct	14524 KB	Output is correct
28	Correct	14524 KB	Output is correct
29	Correct	14524 KB	Output is correct
30	Correct	14524 KB	Output is correct
31	Correct	14524 KB	Output is correct
32	Correct	14524 KB	Output is correct
33	Correct	14524 KB	Output is correct
34	Correct	14524 KB	Output is correct
35	Correct	14524 KB	Output is correct
36	Correct	14524 KB	Output is correct
37	Correct	14524 KB	Output is correct
38	Correct	14524 KB	Output is correct
39	Correct	14524 KB	Output is correct
40	Correct	14524 KB	Output is correct
41	Correct	14524 KB	Output is correct
42	Correct	14524 KB	Output is correct
43	Correct	14524 KB	Output is correct
44	Correct	14524 KB	Output is correct
45	Correct	14524 KB	Output is correct
46	Correct	14524 KB	Output is correct
47	Correct	14524 KB	Output is correct
48	Correct	14524 KB	Output is correct
49	Correct	14524 KB	Output is correct
50	Correct	14524 KB	Output is correct
51	Correct	14524 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	14524 KB	Output is correct
2	Correct	0 ms	14524 KB	Output is correct
3	Correct	0 ms	14524 KB	Output is correct
4	Correct	0 ms	14524 KB	Output is correct
5	Correct	0 ms	14524 KB	Output is correct
6	Correct	0 ms	14524 KB	Output is correct
7	Correct	0 ms	14524 KB	Output is correct
8	Correct	0 ms	14524 KB	Output is correct
9	Correct	0 ms	14524 KB	Output is correct
10	Correct	0 ms	14524 KB	Output is correct
11	Correct	0 ms	14524 KB	Output is correct
12	Correct	0 ms	14524 KB	Output is correct
13	Correct	0 ms	14524 KB	Output is correct
14	Correct	0 ms	14524 KB	Output is correct
15	Correct	0 ms	14524 KB	Output is correct
16	Correct	0 ms	14524 KB	Output is correct
17	Correct	0 ms	14524 KB	Output is correct
18	Correct	0 ms	14524 KB	Output is correct
19	Correct	0 ms	14524 KB	Output is correct
20	Correct	0 ms	14524 KB	Output is correct
21	Correct	0 ms	14524 KB	Output is correct
22	Correct	0 ms	14524 KB	Output is correct
23	Correct	0 ms	14524 KB	Output is correct
24	Correct	0 ms	14524 KB	Output is correct
25	Correct	0 ms	14524 KB	Output is correct
26	Correct	0 ms	14524 KB	Output is correct
27	Correct	0 ms	14524 KB	Output is correct
28	Correct	0 ms	14524 KB	Output is correct
29	Correct	0 ms	14524 KB	Output is correct
30	Correct	0 ms	14524 KB	Output is correct
31	Correct	0 ms	14524 KB	Output is correct
32	Correct	0 ms	14524 KB	Output is correct
33	Correct	0 ms	14524 KB	Output is correct
34	Correct	0 ms	14524 KB	Output is correct
35	Correct	0 ms	14524 KB	Output is correct
36	Correct	0 ms	14524 KB	Output is correct
37	Correct	0 ms	14524 KB	Output is correct
38	Correct	0 ms	14524 KB	Output is correct
39	Correct	0 ms	14524 KB	Output is correct
40	Correct	0 ms	14524 KB	Output is correct
41	Correct	0 ms	14524 KB	Output is correct
42	Correct	0 ms	14524 KB	Output is correct
43	Correct	0 ms	14524 KB	Output is correct
44	Correct	0 ms	14524 KB	Output is correct
45	Correct	0 ms	14524 KB	Output is correct
46	Correct	0 ms	14524 KB	Output is correct
47	Correct	0 ms	14524 KB	Output is correct
48	Correct	0 ms	14524 KB	Output is correct
49	Correct	0 ms	14524 KB	Output is correct
50	Correct	0 ms	14524 KB	Output is correct
51	Correct	0 ms	14524 KB	Output is correct
52	Correct	229 ms	14524 KB	Output is correct
53	Correct	209 ms	14524 KB	Output is correct
54	Correct	149 ms	14524 KB	Output is correct
55	Correct	189 ms	14524 KB	Output is correct
56	Correct	169 ms	14524 KB	Output is correct
57	Correct	183 ms	14524 KB	Output is correct
58	Correct	176 ms	14524 KB	Output is correct
59	Correct	186 ms	14524 KB	Output is correct
60	Correct	153 ms	14524 KB	Output is correct
61	Correct	173 ms	14524 KB	Output is correct
62	Correct	166 ms	14524 KB	Output is correct
63	Correct	123 ms	14524 KB	Output is correct
64	Correct	176 ms	14524 KB	Output is correct
65	Correct	199 ms	14524 KB	Output is correct
66	Correct	213 ms	14524 KB	Output is correct
67	Correct	189 ms	14524 KB	Output is correct
68	Correct	213 ms	14524 KB	Output is correct
69	Correct	226 ms	14524 KB	Output is correct
70	Correct	209 ms	14524 KB	Output is correct
71	Correct	186 ms	14524 KB	Output is correct
72	Correct	209 ms	14524 KB	Output is correct
73	Correct	213 ms	14524 KB	Output is correct
74	Correct	216 ms	14524 KB	Output is correct
75	Correct	223 ms	14524 KB	Output is correct
76	Correct	213 ms	14524 KB	Output is correct
77	Correct	159 ms	14524 KB	Output is correct
78	Correct	166 ms	14524 KB	Output is correct
79	Correct	223 ms	14524 KB	Output is correct
80	Correct	226 ms	14524 KB	Output is correct

답안 #27680

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