답안 #338239

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
338239	2020-12-22T19:53:44 Z	bigDuck	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	131 ms	12524 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

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(down[{b%p, p}], 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( up[{b%p, p} ], 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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	1004 KB	Output is correct
9	Correct	1 ms	1004 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	1388 KB	Output is correct
15	Correct	4 ms	1388 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1016 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	1004 KB	Output is correct
9	Correct	1 ms	1004 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	1388 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	1516 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	1260 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	1516 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	1644 KB	Output is correct
29	Correct	2 ms	1132 KB	Output is correct
30	Correct	2 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

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1004 KB	Output is correct
2	Correct	1 ms	1004 KB	Output is correct
3	Correct	1 ms	1152 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	2 ms	1004 KB	Output is correct
9	Correct	1 ms	1132 KB	Output is correct
10	Correct	2 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	4 ms	1388 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	1516 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	4 ms	1516 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	1644 KB	Output is correct
29	Correct	2 ms	1132 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	55 ms	5868 KB	Output is correct
36	Correct	9 ms	2028 KB	Output is correct
37	Correct	54 ms	5868 KB	Output is correct
38	Correct	69 ms	7148 KB	Output is correct
39	Correct	57 ms	7020 KB	Output is correct
40	Correct	56 ms	7148 KB	Output is correct
41	Correct	63 ms	7156 KB	Output is correct
42	Correct	8 ms	1644 KB	Output is correct
43	Correct	9 ms	1644 KB	Output is correct
44	Correct	7 ms	1772 KB	Output is correct
45	Correct	57 ms	5740 KB	Output is correct
46	Correct	57 ms	5760 KB	Output is correct

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	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	1004 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
16	Correct	2 ms	1260 KB	Output is correct
17	Correct	5 ms	1516 KB	Output is correct
18	Correct	3 ms	1260 KB	Output is correct
19	Correct	2 ms	1132 KB	Output is correct
20	Correct	2 ms	1260 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	1516 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	1644 KB	Output is correct
29	Correct	2 ms	1132 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	58 ms	5868 KB	Output is correct
36	Correct	9 ms	1900 KB	Output is correct
37	Correct	55 ms	5868 KB	Output is correct
38	Correct	69 ms	7120 KB	Output is correct
39	Correct	60 ms	7020 KB	Output is correct
40	Correct	60 ms	7136 KB	Output is correct
41	Correct	62 ms	7276 KB	Output is correct
42	Correct	8 ms	1644 KB	Output is correct
43	Correct	9 ms	1644 KB	Output is correct
44	Correct	7 ms	1772 KB	Output is correct
45	Correct	61 ms	5740 KB	Output is correct
46	Correct	60 ms	5740 KB	Output is correct
47	Correct	131 ms	12524 KB	Output is correct
48	Correct	43 ms	5996 KB	Output is correct
49	Correct	40 ms	5248 KB	Output is correct
50	Correct	27 ms	4076 KB	Output is correct
51	Correct	99 ms	8680 KB	Output is correct
52	Correct	96 ms	8744 KB	Output is correct
53	Correct	54 ms	6568 KB	Output is correct
54	Correct	1 ms	1132 KB	Output is correct
55	Correct	1 ms	1132 KB	Output is correct
56	Correct	15 ms	3692 KB	Output is correct
57	Incorrect	7 ms	2028 KB	Output isn't correct
58	Halted	0 ms	0 KB	-

답안 #338239

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