Submission #338242

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
338242	2020-12-22T19:57:12 Z	bigDuck	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	133 ms	19828 KB

skyscraper

#include<bits/stdc++.h>
using namespace std;
#define INIT  ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
#define int ll



int t, n, m, k, b[30010], p[30010];
int crd[30010];


int d[30010];
bool v[30010];
vector<pii> g[30010];
bool dog[30010];



void dijkstra(){
multiset<pii> ms;
ms.insert({d[crd[1] ], crd[1]});

while(!ms.empty()){
    auto f=*ms.begin(); ms.erase(ms.begin());
    int nod=f.sc;
    v[nod]=true;
    //cout<<nod<<"y\n";
    if(nod==crd[2]){return;}

    for(auto pr:g[nod]){
        int u=pr.ft, c=pr.sc;
        if(v[u]){continue;}
        //cout<<u<<" "<<c<<"x\n";
        auto it=ms.find({d[u], u});
        if(it!=ms.end()){
            ms.erase(it);
            d[u]=min(d[u], d[nod]+c);
            ms.insert({d[u], u});
        }
        else{
                d[u]=d[nod]+c;
            ms.insert({d[u], u} );
        }
    }


}

return;
}




map<pii, int> up, down;




void add_chain(int b, int p){

int lim=down[{b%p, p}];
for(int i=b-p; (i>=1) && (i>=lim) ; i-=p){
    if(dog[i]){g[b].pb({i, abs(i-b)/p });}
}
down[{b%p, p}]=max(lim, b);


if(up[{b%p, p}]==0){ up[{b%p, p }]=n+1; }
lim=up[{b%p, p}];
for(int i=b+p; (i<=n) && (lim>=i); i+=p){
    if(dog[i]){g[b].pb({i, abs(i-b)/p });}
}
up[{b%p, p} ]=min( lim, b);

}





int32_t main(){
INIT
cin>>n>>m;

for(int i=1; i<=n; i++){d[i]=-1; }

for(int i=1; i<=m; i++){
cin>>b[i]>>p[i]; b[i]++;
crd[i ]=b[i];
dog[b[i] ]=true;
}

for(int i=1; i<=m; i++){
    add_chain(b[i], p[i]);
}

d[crd[1] ]=0;
dijkstra();
cout<<d[crd[2] ];

/*for(int i=1; i<=n; i++){
    for(auto u:g[i]){
        cout<<u.ft<<" ";
    }
    cout<<"\n";
}*/



return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1132 KB	Output is correct
9	Correct	1 ms	1132 KB	Output is correct
10	Correct	2 ms	1132 KB	Output is correct
11	Correct	3 ms	1388 KB	Output is correct
12	Correct	2 ms	1132 KB	Output is correct
13	Correct	1 ms	1132 KB	Output is correct
14	Correct	4 ms	1388 KB	Output is correct
15	Correct	4 ms	1388 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1132 KB	Output is correct
9	Correct	1 ms	1132 KB	Output is correct
10	Correct	2 ms	1132 KB	Output is correct
11	Correct	3 ms	1388 KB	Output is correct
12	Correct	2 ms	1132 KB	Output is correct
13	Correct	1 ms	1132 KB	Output is correct
14	Correct	3 ms	1388 KB	Output is correct
15	Correct	3 ms	1388 KB	Output is correct
16	Correct	2 ms	1260 KB	Output is correct
17	Correct	5 ms	1644 KB	Output is correct
18	Correct	2 ms	1260 KB	Output is correct
19	Correct	2 ms	1132 KB	Output is correct
20	Correct	2 ms	1388 KB	Output is correct
21	Correct	2 ms	1260 KB	Output is correct
22	Correct	2 ms	1260 KB	Output is correct
23	Correct	3 ms	1260 KB	Output is correct
24	Correct	5 ms	1644 KB	Output is correct
25	Correct	4 ms	1516 KB	Output is correct
26	Correct	2 ms	1132 KB	Output is correct
27	Correct	2 ms	1132 KB	Output is correct
28	Correct	4 ms	1900 KB	Output is correct
29	Correct	2 ms	1260 KB	Output is correct
30	Correct	1 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	2 ms	1132 KB	Output is correct
33	Correct	4 ms	1388 KB	Output is correct
34	Correct	4 ms	1388 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1132 KB	Output is correct
9	Correct	1 ms	1132 KB	Output is correct
10	Correct	1 ms	1132 KB	Output is correct
11	Correct	4 ms	1388 KB	Output is correct
12	Correct	1 ms	1132 KB	Output is correct
13	Correct	1 ms	1132 KB	Output is correct
14	Correct	3 ms	1388 KB	Output is correct
15	Correct	3 ms	1388 KB	Output is correct
16	Correct	2 ms	1260 KB	Output is correct
17	Correct	5 ms	1644 KB	Output is correct
18	Correct	2 ms	1260 KB	Output is correct
19	Correct	2 ms	1132 KB	Output is correct
20	Correct	2 ms	1408 KB	Output is correct
21	Correct	3 ms	1260 KB	Output is correct
22	Correct	2 ms	1260 KB	Output is correct
23	Correct	2 ms	1260 KB	Output is correct
24	Correct	4 ms	1644 KB	Output is correct
25	Correct	4 ms	1516 KB	Output is correct
26	Correct	2 ms	1132 KB	Output is correct
27	Correct	2 ms	1148 KB	Output is correct
28	Correct	4 ms	1900 KB	Output is correct
29	Correct	2 ms	1260 KB	Output is correct
30	Correct	1 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	2 ms	1132 KB	Output is correct
33	Correct	4 ms	1388 KB	Output is correct
34	Correct	4 ms	1388 KB	Output is correct
35	Correct	51 ms	7148 KB	Output is correct
36	Correct	8 ms	2156 KB	Output is correct
37	Correct	54 ms	8044 KB	Output is correct
38	Correct	62 ms	9196 KB	Output is correct
39	Correct	57 ms	9068 KB	Output is correct
40	Correct	56 ms	9196 KB	Output is correct
41	Correct	61 ms	9196 KB	Output is correct
42	Correct	8 ms	2048 KB	Output is correct
43	Correct	8 ms	2028 KB	Output is correct
44	Correct	7 ms	2156 KB	Output is correct
45	Correct	51 ms	6380 KB	Output is correct
46	Correct	49 ms	6412 KB	Output is correct

Subtask #5
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1004 KB	Output is correct
4	Correct	1 ms	1004 KB	Output is correct
5	Correct	1 ms	1004 KB	Output is correct
6	Correct	1 ms	1004 KB	Output is correct
7	Correct	1 ms	1004 KB	Output is correct
8	Correct	1 ms	1132 KB	Output is correct
9	Correct	1 ms	1132 KB	Output is correct
10	Correct	2 ms	1132 KB	Output is correct
11	Correct	3 ms	1388 KB	Output is correct
12	Correct	1 ms	1132 KB	Output is correct
13	Correct	1 ms	1132 KB	Output is correct
14	Correct	4 ms	1516 KB	Output is correct
15	Correct	4 ms	1388 KB	Output is correct
16	Correct	2 ms	1260 KB	Output is correct
17	Correct	5 ms	1644 KB	Output is correct
18	Correct	2 ms	1260 KB	Output is correct
19	Correct	2 ms	1132 KB	Output is correct
20	Correct	2 ms	1388 KB	Output is correct
21	Correct	2 ms	1260 KB	Output is correct
22	Correct	2 ms	1260 KB	Output is correct
23	Correct	2 ms	1260 KB	Output is correct
24	Correct	4 ms	1644 KB	Output is correct
25	Correct	3 ms	1516 KB	Output is correct
26	Correct	2 ms	1132 KB	Output is correct
27	Correct	2 ms	1132 KB	Output is correct
28	Correct	4 ms	1900 KB	Output is correct
29	Correct	2 ms	1260 KB	Output is correct
30	Correct	1 ms	1132 KB	Output is correct
31	Correct	2 ms	1132 KB	Output is correct
32	Correct	2 ms	1132 KB	Output is correct
33	Correct	4 ms	1388 KB	Output is correct
34	Correct	4 ms	1388 KB	Output is correct
35	Correct	54 ms	7148 KB	Output is correct
36	Correct	8 ms	2156 KB	Output is correct
37	Correct	52 ms	8044 KB	Output is correct
38	Correct	61 ms	9196 KB	Output is correct
39	Correct	55 ms	9232 KB	Output is correct
40	Correct	53 ms	9196 KB	Output is correct
41	Correct	59 ms	9196 KB	Output is correct
42	Correct	8 ms	2028 KB	Output is correct
43	Correct	8 ms	2156 KB	Output is correct
44	Correct	7 ms	2156 KB	Output is correct
45	Correct	49 ms	6380 KB	Output is correct
46	Correct	48 ms	6380 KB	Output is correct
47	Correct	133 ms	19828 KB	Output is correct
48	Correct	40 ms	7656 KB	Output is correct
49	Correct	36 ms	6380 KB	Output is correct
50	Correct	23 ms	4844 KB	Output is correct
51	Correct	94 ms	11240 KB	Output is correct
52	Correct	91 ms	11496 KB	Output is correct
53	Correct	48 ms	7656 KB	Output is correct
54	Correct	1 ms	1260 KB	Output is correct
55	Correct	1 ms	1260 KB	Output is correct
56	Correct	16 ms	5104 KB	Output is correct
57	Incorrect	7 ms	2796 KB	Output isn't correct
58	Halted	0 ms	0 KB	-

Submission #338242

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
0 / 43.0