답안 #338287

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338287 2020-12-22T20:50:09 Z bigDuck Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
128 ms 12524 KB
#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(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;
}



# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1132 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
# 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 1 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 3 ms 1388 KB Output is correct
# 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 1280 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 4 ms 1404 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 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 2 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 3 ms 1388 KB Output is correct
34 Correct 4 ms 1388 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1132 KB Output is correct
2 Correct 1 ms 1132 KB Output is correct
3 Correct 1 ms 1132 KB Output is correct
4 Correct 1 ms 1132 KB Output is correct
5 Correct 1 ms 1136 KB Output is correct
6 Correct 1 ms 1132 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 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 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 2 ms 1260 KB Output is correct
24 Correct 4 ms 1516 KB Output is correct
25 Correct 3 ms 1516 KB Output is correct
26 Correct 2 ms 1260 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 3 ms 1388 KB Output is correct
34 Correct 4 ms 1388 KB Output is correct
35 Correct 49 ms 5868 KB Output is correct
36 Correct 8 ms 1900 KB Output is correct
37 Correct 51 ms 5868 KB Output is correct
38 Correct 62 ms 7148 KB Output is correct
39 Correct 54 ms 7148 KB Output is correct
40 Correct 48 ms 7148 KB Output is correct
41 Correct 53 ms 7148 KB Output is correct
42 Correct 7 ms 1644 KB Output is correct
43 Correct 8 ms 1644 KB Output is correct
44 Correct 7 ms 1788 KB Output is correct
45 Correct 49 ms 5740 KB Output is correct
46 Correct 52 ms 5740 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 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
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 1 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 2 ms 1260 KB Output is correct
24 Correct 5 ms 1516 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 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 1 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 50 ms 5856 KB Output is correct
36 Correct 8 ms 1900 KB Output is correct
37 Correct 52 ms 5868 KB Output is correct
38 Correct 62 ms 7148 KB Output is correct
39 Correct 65 ms 7020 KB Output is correct
40 Correct 49 ms 7148 KB Output is correct
41 Correct 54 ms 7148 KB Output is correct
42 Correct 8 ms 1644 KB Output is correct
43 Correct 8 ms 1644 KB Output is correct
44 Correct 7 ms 1772 KB Output is correct
45 Correct 55 ms 5740 KB Output is correct
46 Correct 50 ms 5740 KB Output is correct
47 Correct 128 ms 12524 KB Output is correct
48 Correct 40 ms 5996 KB Output is correct
49 Correct 43 ms 5228 KB Output is correct
50 Correct 25 ms 4204 KB Output is correct
51 Correct 90 ms 8680 KB Output is correct
52 Correct 91 ms 8744 KB Output is correct
53 Correct 55 ms 6568 KB Output is correct
54 Correct 1 ms 1132 KB Output is correct
55 Correct 1 ms 1280 KB Output is correct
56 Correct 17 ms 3692 KB Output is correct
57 Incorrect 7 ms 2028 KB Output isn't correct
58 Halted 0 ms 0 KB -