Submission #121538

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
121538	2019-06-26T18:04:14 Z	shayan_p	Long Distance Coach (JOI17_coach)	C++14	71 / 100	24 ms	8448 KB

coach

// High above the clouds there is a rainbow...

#include<bits/stdc++.h>

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

const int maxn=1e5+10,mod=1e9+7;
const ll inf=1e18;

ll a[maxn], d[maxn], dp[maxn], W, T;
pll p[maxn];
vector<pair<int,ll> >vec[maxn];

ll val[maxn];
void add(int l,int r,ll x){
    while(l<r)
	val[l]=min(val[l],x), l++;
}
ll ask(int pos){
    return val[pos];
}

int main(){
    fill(val,val+maxn,inf);

    ios_base::sync_with_stdio(false);cin.tie(0);

    ll x; int n,m; cin>>x>>n>>m>>W>>T;

    for(int i=0;i<n;i++){
	cin>>a[i];
    }
    sort(a,a+n);
    a[n++]=x;

    ll ans=W*((x/T)+1);
    
    p[0]={0,inf}, d[0]=0;
    
    for(int i=1;i<=m;i++){
	cin>>p[i].F>>p[i].S;
	d[i]=p[i].F;
	p[i].S-= W* (x/T), ans+= W* (x/T);
	if( (p[i].F%T) < (x%T) ) p[i].S-= W, ans+=W;
    }
    m++;
    
    sort(p,p+m), sort(d,d+m);
    
    ll lst=0;
    for(int i=0;i<n;i++){
	int A=lower_bound(d,d+m,lst %T)-d, B=lower_bound(d,d+m,a[i] %T)-d;	
	if( lst< (a[i]/T)*T ) A=0;	
	if(A!=B) vec[B].PB({A,a[i]/T});
	lst=a[i];
    }

    for(int i=1;i<=m;i++){
	for(auto p:vec[i])
	    add(p.F,i, p.S);
	dp[i]=0;
	ll num=0;
	for(int j=i-1;j>=0;j--){
	    dp[i]= min(dp[i], num+dp[j]);
	    if(ask(j)==inf) break;
	    num+= p[j].S + W*ask(j);
	}
    }
    return cout<<dp[m]+ans<<endl,0;
}
// Deathly mistakes:
//  * Read the problem curfully.
//  * Check maxn.c
//  * Overflows.

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	3456 KB	Output is correct
2	Correct	4 ms	3456 KB	Output is correct
3	Correct	5 ms	3584 KB	Output is correct
4	Correct	5 ms	3456 KB	Output is correct
5	Correct	4 ms	3456 KB	Output is correct
6	Correct	4 ms	3584 KB	Output is correct
7	Correct	4 ms	3456 KB	Output is correct
8	Correct	4 ms	3456 KB	Output is correct
9	Correct	4 ms	3456 KB	Output is correct
10	Correct	4 ms	3456 KB	Output is correct
11	Correct	4 ms	3456 KB	Output is correct
12	Correct	4 ms	3456 KB	Output is correct
13	Correct	4 ms	3456 KB	Output is correct
14	Correct	5 ms	3456 KB	Output is correct
15	Correct	5 ms	3456 KB	Output is correct
16	Correct	4 ms	3456 KB	Output is correct
17	Correct	4 ms	3456 KB	Output is correct
18	Correct	4 ms	3456 KB	Output is correct
19	Correct	4 ms	3456 KB	Output is correct
20	Correct	4 ms	3584 KB	Output is correct
21	Correct	4 ms	3456 KB	Output is correct
22	Correct	5 ms	3456 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	3456 KB	Output is correct
2	Correct	4 ms	3456 KB	Output is correct
3	Correct	5 ms	3584 KB	Output is correct
4	Correct	5 ms	3456 KB	Output is correct
5	Correct	4 ms	3456 KB	Output is correct
6	Correct	4 ms	3584 KB	Output is correct
7	Correct	4 ms	3456 KB	Output is correct
8	Correct	4 ms	3456 KB	Output is correct
9	Correct	4 ms	3456 KB	Output is correct
10	Correct	4 ms	3456 KB	Output is correct
11	Correct	4 ms	3456 KB	Output is correct
12	Correct	4 ms	3456 KB	Output is correct
13	Correct	4 ms	3456 KB	Output is correct
14	Correct	5 ms	3456 KB	Output is correct
15	Correct	5 ms	3456 KB	Output is correct
16	Correct	4 ms	3456 KB	Output is correct
17	Correct	4 ms	3456 KB	Output is correct
18	Correct	4 ms	3456 KB	Output is correct
19	Correct	4 ms	3456 KB	Output is correct
20	Correct	4 ms	3584 KB	Output is correct
21	Correct	4 ms	3456 KB	Output is correct
22	Correct	5 ms	3456 KB	Output is correct
23	Correct	4 ms	3456 KB	Output is correct
24	Correct	5 ms	3584 KB	Output is correct
25	Correct	4 ms	3456 KB	Output is correct
26	Correct	4 ms	3456 KB	Output is correct
27	Correct	4 ms	3456 KB	Output is correct
28	Correct	4 ms	3456 KB	Output is correct
29	Correct	4 ms	3456 KB	Output is correct
30	Correct	5 ms	3584 KB	Output is correct
31	Correct	4 ms	3456 KB	Output is correct
32	Correct	4 ms	3456 KB	Output is correct
33	Correct	4 ms	3456 KB	Output is correct
34	Correct	4 ms	3456 KB	Output is correct
35	Correct	5 ms	3456 KB	Output is correct
36	Correct	4 ms	3584 KB	Output is correct
37	Correct	4 ms	3456 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	3456 KB	Output is correct
2	Correct	4 ms	3456 KB	Output is correct
3	Correct	5 ms	3584 KB	Output is correct
4	Correct	5 ms	3456 KB	Output is correct
5	Correct	4 ms	3456 KB	Output is correct
6	Correct	4 ms	3584 KB	Output is correct
7	Correct	4 ms	3456 KB	Output is correct
8	Correct	4 ms	3456 KB	Output is correct
9	Correct	4 ms	3456 KB	Output is correct
10	Correct	4 ms	3456 KB	Output is correct
11	Correct	4 ms	3456 KB	Output is correct
12	Correct	4 ms	3456 KB	Output is correct
13	Correct	4 ms	3456 KB	Output is correct
14	Correct	5 ms	3456 KB	Output is correct
15	Correct	5 ms	3456 KB	Output is correct
16	Correct	4 ms	3456 KB	Output is correct
17	Correct	4 ms	3456 KB	Output is correct
18	Correct	4 ms	3456 KB	Output is correct
19	Correct	4 ms	3456 KB	Output is correct
20	Correct	4 ms	3584 KB	Output is correct
21	Correct	4 ms	3456 KB	Output is correct
22	Correct	5 ms	3456 KB	Output is correct
23	Correct	4 ms	3456 KB	Output is correct
24	Correct	5 ms	3584 KB	Output is correct
25	Correct	4 ms	3456 KB	Output is correct
26	Correct	4 ms	3456 KB	Output is correct
27	Correct	4 ms	3456 KB	Output is correct
28	Correct	4 ms	3456 KB	Output is correct
29	Correct	4 ms	3456 KB	Output is correct
30	Correct	5 ms	3584 KB	Output is correct
31	Correct	4 ms	3456 KB	Output is correct
32	Correct	4 ms	3456 KB	Output is correct
33	Correct	4 ms	3456 KB	Output is correct
34	Correct	4 ms	3456 KB	Output is correct
35	Correct	5 ms	3456 KB	Output is correct
36	Correct	4 ms	3584 KB	Output is correct
37	Correct	4 ms	3456 KB	Output is correct
38	Correct	9 ms	3712 KB	Output is correct
39	Correct	13 ms	3712 KB	Output is correct
40	Correct	13 ms	3788 KB	Output is correct
41	Correct	10 ms	3584 KB	Output is correct
42	Correct	10 ms	3584 KB	Output is correct
43	Correct	9 ms	3584 KB	Output is correct
44	Correct	10 ms	3712 KB	Output is correct
45	Correct	9 ms	3712 KB	Output is correct
46	Correct	12 ms	3712 KB	Output is correct
47	Correct	13 ms	3684 KB	Output is correct
48	Correct	9 ms	3584 KB	Output is correct
49	Correct	8 ms	3584 KB	Output is correct
50	Correct	9 ms	3584 KB	Output is correct
51	Correct	10 ms	3712 KB	Output is correct

Subtask #4
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	3456 KB	Output is correct
2	Correct	4 ms	3456 KB	Output is correct
3	Correct	5 ms	3584 KB	Output is correct
4	Correct	5 ms	3456 KB	Output is correct
5	Correct	4 ms	3456 KB	Output is correct
6	Correct	4 ms	3584 KB	Output is correct
7	Correct	4 ms	3456 KB	Output is correct
8	Correct	4 ms	3456 KB	Output is correct
9	Correct	4 ms	3456 KB	Output is correct
10	Correct	4 ms	3456 KB	Output is correct
11	Correct	4 ms	3456 KB	Output is correct
12	Correct	4 ms	3456 KB	Output is correct
13	Correct	4 ms	3456 KB	Output is correct
14	Correct	5 ms	3456 KB	Output is correct
15	Correct	5 ms	3456 KB	Output is correct
16	Correct	4 ms	3456 KB	Output is correct
17	Correct	4 ms	3456 KB	Output is correct
18	Correct	4 ms	3456 KB	Output is correct
19	Correct	4 ms	3456 KB	Output is correct
20	Correct	4 ms	3584 KB	Output is correct
21	Correct	4 ms	3456 KB	Output is correct
22	Correct	5 ms	3456 KB	Output is correct
23	Correct	4 ms	3456 KB	Output is correct
24	Correct	5 ms	3584 KB	Output is correct
25	Correct	4 ms	3456 KB	Output is correct
26	Correct	4 ms	3456 KB	Output is correct
27	Correct	4 ms	3456 KB	Output is correct
28	Correct	4 ms	3456 KB	Output is correct
29	Correct	4 ms	3456 KB	Output is correct
30	Correct	5 ms	3584 KB	Output is correct
31	Correct	4 ms	3456 KB	Output is correct
32	Correct	4 ms	3456 KB	Output is correct
33	Correct	4 ms	3456 KB	Output is correct
34	Correct	4 ms	3456 KB	Output is correct
35	Correct	5 ms	3456 KB	Output is correct
36	Correct	4 ms	3584 KB	Output is correct
37	Correct	4 ms	3456 KB	Output is correct
38	Correct	9 ms	3712 KB	Output is correct
39	Correct	13 ms	3712 KB	Output is correct
40	Correct	13 ms	3788 KB	Output is correct
41	Correct	10 ms	3584 KB	Output is correct
42	Correct	10 ms	3584 KB	Output is correct
43	Correct	9 ms	3584 KB	Output is correct
44	Correct	10 ms	3712 KB	Output is correct
45	Correct	9 ms	3712 KB	Output is correct
46	Correct	12 ms	3712 KB	Output is correct
47	Correct	13 ms	3684 KB	Output is correct
48	Correct	9 ms	3584 KB	Output is correct
49	Correct	8 ms	3584 KB	Output is correct
50	Correct	9 ms	3584 KB	Output is correct
51	Correct	10 ms	3712 KB	Output is correct
52	Runtime error	24 ms	8448 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
53	Halted	0 ms	0 KB	-

Submission #121538

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 30.0 / 30.0

Subtask #3 25.0 / 25.0

Subtask #4 0 / 29.0

Subtask #1
16.0 / 16.0

Subtask #2
30.0 / 30.0

Subtask #3
25.0 / 25.0

Subtask #4
0 / 29.0