답안 #338290

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
338290	2020-12-22T21:01:46 Z	bigDuck	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	129 ms	14060 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[100010], p[100010];
int crd[100010];


int d[100010];
bool v[100010];
vector<pii> g[100010];
bool dog[100010];



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

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2668 KB	Output is correct
10	Correct	3 ms	2796 KB	Output is correct
11	Correct	4 ms	2924 KB	Output is correct
12	Correct	3 ms	2796 KB	Output is correct
13	Correct	3 ms	2796 KB	Output is correct
14	Correct	5 ms	3052 KB	Output is correct
15	Correct	4 ms	3052 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2700 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2668 KB	Output is correct
10	Correct	3 ms	2796 KB	Output is correct
11	Correct	4 ms	2924 KB	Output is correct
12	Correct	2 ms	2796 KB	Output is correct
13	Correct	3 ms	2796 KB	Output is correct
14	Correct	6 ms	3052 KB	Output is correct
15	Correct	5 ms	3052 KB	Output is correct
16	Correct	3 ms	2924 KB	Output is correct
17	Correct	6 ms	3180 KB	Output is correct
18	Correct	3 ms	2924 KB	Output is correct
19	Correct	3 ms	2796 KB	Output is correct
20	Correct	3 ms	2924 KB	Output is correct
21	Correct	3 ms	2924 KB	Output is correct
22	Correct	3 ms	2924 KB	Output is correct
23	Correct	3 ms	2924 KB	Output is correct
24	Correct	6 ms	3180 KB	Output is correct
25	Correct	5 ms	3180 KB	Output is correct
26	Correct	3 ms	2796 KB	Output is correct
27	Correct	3 ms	2796 KB	Output is correct
28	Correct	5 ms	3308 KB	Output is correct
29	Correct	3 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	3 ms	2796 KB	Output is correct
32	Correct	3 ms	2796 KB	Output is correct
33	Correct	5 ms	3052 KB	Output is correct
34	Correct	5 ms	3052 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2668 KB	Output is correct
10	Correct	3 ms	2796 KB	Output is correct
11	Correct	4 ms	2924 KB	Output is correct
12	Correct	3 ms	2816 KB	Output is correct
13	Correct	2 ms	2796 KB	Output is correct
14	Correct	5 ms	3052 KB	Output is correct
15	Correct	4 ms	3052 KB	Output is correct
16	Correct	3 ms	2924 KB	Output is correct
17	Correct	6 ms	3180 KB	Output is correct
18	Correct	3 ms	2924 KB	Output is correct
19	Correct	4 ms	2796 KB	Output is correct
20	Correct	3 ms	2924 KB	Output is correct
21	Correct	3 ms	2924 KB	Output is correct
22	Correct	3 ms	2796 KB	Output is correct
23	Correct	4 ms	2924 KB	Output is correct
24	Correct	5 ms	3052 KB	Output is correct
25	Correct	4 ms	3052 KB	Output is correct
26	Correct	3 ms	2796 KB	Output is correct
27	Correct	3 ms	2796 KB	Output is correct
28	Correct	5 ms	3180 KB	Output is correct
29	Correct	3 ms	2796 KB	Output is correct
30	Correct	2 ms	2796 KB	Output is correct
31	Correct	3 ms	2796 KB	Output is correct
32	Correct	3 ms	2796 KB	Output is correct
33	Correct	5 ms	3052 KB	Output is correct
34	Correct	5 ms	3052 KB	Output is correct
35	Correct	51 ms	7276 KB	Output is correct
36	Correct	9 ms	3564 KB	Output is correct
37	Correct	50 ms	7276 KB	Output is correct
38	Correct	60 ms	8556 KB	Output is correct
39	Correct	50 ms	8428 KB	Output is correct
40	Correct	55 ms	8684 KB	Output is correct
41	Correct	57 ms	8556 KB	Output is correct
42	Correct	9 ms	3052 KB	Output is correct
43	Correct	9 ms	3180 KB	Output is correct
44	Correct	10 ms	3180 KB	Output is correct
45	Correct	50 ms	7148 KB	Output is correct
46	Correct	52 ms	7148 KB	Output is correct

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2668 KB	Output is correct
2	Correct	2 ms	2668 KB	Output is correct
3	Correct	2 ms	2668 KB	Output is correct
4	Correct	2 ms	2668 KB	Output is correct
5	Correct	2 ms	2668 KB	Output is correct
6	Correct	2 ms	2668 KB	Output is correct
7	Correct	2 ms	2668 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2668 KB	Output is correct
10	Correct	3 ms	2796 KB	Output is correct
11	Correct	4 ms	2924 KB	Output is correct
12	Correct	2 ms	2796 KB	Output is correct
13	Correct	2 ms	2796 KB	Output is correct
14	Correct	6 ms	3052 KB	Output is correct
15	Correct	4 ms	3052 KB	Output is correct
16	Correct	3 ms	2924 KB	Output is correct
17	Correct	6 ms	3180 KB	Output is correct
18	Correct	4 ms	2924 KB	Output is correct
19	Correct	3 ms	2796 KB	Output is correct
20	Correct	3 ms	2924 KB	Output is correct
21	Correct	3 ms	2924 KB	Output is correct
22	Correct	3 ms	2796 KB	Output is correct
23	Correct	3 ms	2924 KB	Output is correct
24	Correct	6 ms	3052 KB	Output is correct
25	Correct	4 ms	3052 KB	Output is correct
26	Correct	3 ms	2796 KB	Output is correct
27	Correct	3 ms	2796 KB	Output is correct
28	Correct	5 ms	3180 KB	Output is correct
29	Correct	3 ms	2796 KB	Output is correct
30	Correct	3 ms	2796 KB	Output is correct
31	Correct	3 ms	2796 KB	Output is correct
32	Correct	3 ms	2796 KB	Output is correct
33	Correct	5 ms	3052 KB	Output is correct
34	Correct	5 ms	3052 KB	Output is correct
35	Correct	53 ms	7404 KB	Output is correct
36	Correct	9 ms	3584 KB	Output is correct
37	Correct	52 ms	7404 KB	Output is correct
38	Correct	59 ms	8684 KB	Output is correct
39	Correct	50 ms	8684 KB	Output is correct
40	Correct	51 ms	8684 KB	Output is correct
41	Correct	59 ms	8684 KB	Output is correct
42	Correct	9 ms	3200 KB	Output is correct
43	Correct	10 ms	3308 KB	Output is correct
44	Correct	8 ms	3308 KB	Output is correct
45	Correct	52 ms	7276 KB	Output is correct
46	Correct	55 ms	7276 KB	Output is correct
47	Correct	129 ms	14060 KB	Output is correct
48	Correct	38 ms	7660 KB	Output is correct
49	Correct	36 ms	6764 KB	Output is correct
50	Correct	25 ms	5740 KB	Output is correct
51	Correct	94 ms	10088 KB	Output is correct
52	Correct	92 ms	10280 KB	Output is correct
53	Correct	48 ms	8104 KB	Output is correct
54	Correct	2 ms	2796 KB	Output is correct
55	Correct	2 ms	2796 KB	Output is correct
56	Correct	17 ms	5228 KB	Output is correct
57	Incorrect	8 ms	3692 KB	Output isn't correct
58	Halted	0 ms	0 KB	-

답안 #338290

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