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답안 #124161

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
124161 2019-07-02T15:15:58 Z amiratou Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 490 ms 225912 KB 
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 100000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int B[30005],P[30005];
bool vis[30005],vis2[30005][30005];
int dist[30005];
vv vec;
int main(){
    boost;
    int N,M;
    cin>>N>>M;
    vec.resize(N);
    for (int i = 0; i < M; ++i){
        cin>>B[i]>>P[i];
        vec[B[i]].pb(P[i]);
    }
    vis[B[0]]=1;
    queue<pair<int,ii> > q;
    for (int i = 0; i < sz(vec[B[0]]); ++i){
        vis2[B[0]][vec[B[0]][i]]=1;
        q.push({0,{B[0],vec[B[0]][i]}});
    }

    while(!q.empty()){
        pair<int,ii> front=q.front();
        int curr=front.se.fi;
        q.pop();
        if(curr==B[1]){
            cout<<front.fi<<"\n";
            return 0;
        }
        int idx=curr+front.se.se;
        if(idx<N){
            if(!vis2[idx][front.se.se])
                q.push({front.fi+1,{idx,front.se.se}}),vis2[idx][front.se.se]=1;
            if(!vis[idx]){
                for (int i = 0; i < sz(vec[idx]); ++i){
                    q.push({front.fi+1,{idx,vec[idx][i]}});
                    vis2[idx][vec[idx][i]]=1;
                }
                vis[idx]=1;
            }
        }
        idx=curr-front.se.se;
        if(idx>=0){
            if(!vis2[idx][front.se.se])
                q.push({front.fi+1,{idx,front.se.se}}),vis2[idx][front.se.se]=1;
            if(!vis[idx]){
                for (int i = 0; i < sz(vec[idx]); ++i){
                    q.push({front.fi+1,{idx,vec[idx][i]}});
                    vis2[idx][vec[idx][i]]=1;
                }
                vis[idx]=1; 
            }
        }
    }
    cout<<-1;
    cout<<"\n";
    return 0;
}
//long long
//array bounds
//special cases
//binary search

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 636 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 3 ms 888 KB Output is correct
15 Correct 3 ms 888 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 380 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 3 ms 760 KB Output is correct
14 Correct 3 ms 888 KB Output is correct
15 Correct 3 ms 888 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 7 ms 3576 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 12 ms 8568 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 10 ms 7160 KB Output is correct
24 Correct 12 ms 9208 KB Output is correct
25 Correct 4 ms 2172 KB Output is correct
26 Correct 10 ms 7288 KB Output is correct
27 Correct 11 ms 7928 KB Output is correct
28 Correct 14 ms 10744 KB Output is correct
29 Correct 13 ms 8568 KB Output is correct
30 Correct 12 ms 8568 KB Output is correct
31 Correct 12 ms 8568 KB Output is correct
32 Correct 12 ms 8696 KB Output is correct
33 Correct 14 ms 8696 KB Output is correct
34 Correct 13 ms 8696 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 888 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 6 ms 3576 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 14 ms 8568 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 10 ms 7288 KB Output is correct
24 Correct 14 ms 9052 KB Output is correct
25 Correct 5 ms 2168 KB Output is correct
26 Correct 12 ms 7288 KB Output is correct
27 Correct 11 ms 7928 KB Output is correct
28 Correct 15 ms 10744 KB Output is correct
29 Correct 13 ms 8696 KB Output is correct
30 Correct 12 ms 8568 KB Output is correct
31 Correct 12 ms 8568 KB Output is correct
32 Correct 12 ms 8696 KB Output is correct
33 Correct 14 ms 8700 KB Output is correct
34 Correct 13 ms 8568 KB Output is correct
35 Correct 18 ms 9464 KB Output is correct
36 Correct 7 ms 3960 KB Output is correct
37 Correct 18 ms 10488 KB Output is correct
38 Correct 26 ms 12792 KB Output is correct
39 Correct 10 ms 1656 KB Output is correct
40 Correct 14 ms 4860 KB Output is correct
41 Correct 21 ms 11944 KB Output is correct
42 Correct 15 ms 7928 KB Output is correct
43 Correct 16 ms 8568 KB Output is correct
44 Correct 19 ms 9208 KB Output is correct
45 Correct 27 ms 9720 KB Output is correct
46 Correct 22 ms 9592 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 3 ms 788 KB Output is correct
12 Correct 3 ms 760 KB Output is correct
13 Correct 3 ms 888 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 888 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 6 ms 3708 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 12 ms 8568 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 508 KB Output is correct
23 Correct 10 ms 7160 KB Output is correct
24 Correct 13 ms 9208 KB Output is correct
25 Correct 4 ms 2168 KB Output is correct
26 Correct 10 ms 7336 KB Output is correct
27 Correct 11 ms 7896 KB Output is correct
28 Correct 14 ms 10744 KB Output is correct
29 Correct 12 ms 8568 KB Output is correct
30 Correct 12 ms 8568 KB Output is correct
31 Correct 12 ms 8568 KB Output is correct
32 Correct 12 ms 8568 KB Output is correct
33 Correct 14 ms 8696 KB Output is correct
34 Correct 13 ms 8568 KB Output is correct
35 Correct 18 ms 9436 KB Output is correct
36 Correct 7 ms 3960 KB Output is correct
37 Correct 18 ms 10488 KB Output is correct
38 Correct 23 ms 12892 KB Output is correct
39 Correct 11 ms 1656 KB Output is correct
40 Correct 14 ms 4856 KB Output is correct
41 Correct 22 ms 11816 KB Output is correct
42 Correct 15 ms 7800 KB Output is correct
43 Correct 16 ms 8568 KB Output is correct
44 Correct 17 ms 9208 KB Output is correct
45 Correct 27 ms 9848 KB Output is correct
46 Correct 22 ms 9592 KB Output is correct
47 Correct 45 ms 34808 KB Output is correct
48 Correct 10 ms 1528 KB Output is correct
49 Correct 9 ms 1528 KB Output is correct
50 Correct 7 ms 1528 KB Output is correct
51 Correct 239 ms 192408 KB Output is correct
52 Correct 262 ms 211832 KB Output is correct
53 Correct 36 ms 24184 KB Output is correct
54 Correct 71 ms 62840 KB Output is correct
55 Correct 96 ms 82808 KB Output is correct
56 Correct 149 ms 124024 KB Output is correct
57 Correct 5 ms 2868 KB Output is correct
58 Correct 151 ms 123756 KB Output is correct
59 Correct 144 ms 114380 KB Output is correct
60 Correct 143 ms 114312 KB Output is correct
61 Correct 138 ms 111380 KB Output is correct
62 Correct 308 ms 225912 KB Output is correct
63 Correct 303 ms 140988 KB Output is correct
64 Correct 296 ms 135132 KB Output is correct
65 Correct 355 ms 132984 KB Output is correct
66 Correct 490 ms 130900 KB Output is correct
67 Correct 325 ms 127352 KB Output is correct