답안 #22018 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
22018	2017-04-28T21:02:30 Z	mohammad_kilani	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	389 ms	113584 KB

skyscraper

#include<bits/stdc++.h>
using namespace std;
const int N = 30001;
bitset<N>vis[N];
int n,m;
vector< vector<int> > g;

int BFS(int s,int e){
    queue<pair<int,pair<int,int > > > q;
    q.push(make_pair(s,make_pair(g[s][0],0)));
    vis[s][0] = true;
    while(!q.empty()){
        int node = q.front().first;
        int jump = q.front().second.first;
        int cost = q.front().second.second;
        q.pop();
        if(node == e)
            return cost;
        int si = g[node].size();
        for(int i=0;i<=si;i++){
            int newjump;
            if(i == si)
                newjump = jump;
            else
                newjump = g[node][i];
            int newnode = node+newjump;
            if(newnode >= 0 && newnode < n && !vis[newnode][newjump]){
                vis[newnode][newjump] = true;
                q.push(make_pair(newnode,make_pair(newjump,cost+1)));
            }
            newnode = node-newjump;
            if(newnode >= 0 && newnode < n && !vis[newnode][newjump]){
                vis[newnode][newjump] = true;
                q.push(make_pair(newnode,make_pair(newjump,cost+1)));
            }
        }
    }
    return -1;
}

int main(){
    //freopen("in.txt","r",stdin);
    scanf("%d%d",&n,&m);
    g.resize(n+2);
    int s,e;
    for(int i=0;i<m;i++){
        int b,p;
        scanf("%d%d",&b,&p);
        g[b].push_back(p);
        if(i == 0){
            s = b;
        }
        if(i == 1)
            e = b;
    }
    cout << BFS(s,e);
    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:43:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
skyscraper.cpp:48:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&b,&p);
                            ^
skyscraper.cpp:56:20: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
     cout << BFS(s,e);
                    ^
skyscraper.cpp:56:20: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized]

Subtask #1
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	111948 KB	Output is correct
2	Correct	111948 KB	Output is correct
3	Correct	111948 KB	Output is correct
4	Correct	111948 KB	Output is correct
5	Correct	111948 KB	Output is correct
6	Correct	111948 KB	Output is correct
7	Correct	111948 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	메모리	Grader output
1	Correct	111948 KB	Output is correct
2	Correct	111948 KB	Output is correct
3	Correct	111948 KB	Output is correct
4	Correct	111948 KB	Output is correct
5	Correct	111948 KB	Output is correct
6	Correct	111948 KB	Output is correct
7	Correct	111948 KB	Output is correct
8	Correct	111948 KB	Output is correct
9	Correct	111948 KB	Output is correct
10	Correct	111948 KB	Output is correct
11	Correct	111948 KB	Output is correct
12	Correct	111948 KB	Output is correct
13	Correct	111948 KB	Output is correct
14	Correct	111948 KB	Output is correct
15	Correct	111948 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	111948 KB	Output is correct
2	Correct	0 ms	111948 KB	Output is correct
3	Correct	0 ms	111948 KB	Output is correct
4	Correct	0 ms	111948 KB	Output is correct
5	Correct	0 ms	111948 KB	Output is correct
6	Correct	0 ms	111948 KB	Output is correct
7	Correct	0 ms	111948 KB	Output is correct
8	Correct	0 ms	111948 KB	Output is correct
9	Correct	0 ms	111948 KB	Output is correct
10	Correct	0 ms	111948 KB	Output is correct
11	Correct	0 ms	111948 KB	Output is correct
12	Correct	0 ms	111948 KB	Output is correct
13	Correct	0 ms	111948 KB	Output is correct
14	Correct	0 ms	111948 KB	Output is correct
15	Correct	0 ms	111948 KB	Output is correct
16	Correct	0 ms	111948 KB	Output is correct
17	Correct	0 ms	112080 KB	Output is correct
18	Correct	0 ms	112080 KB	Output is correct
19	Correct	0 ms	112080 KB	Output is correct
20	Correct	0 ms	112080 KB	Output is correct
21	Correct	0 ms	111948 KB	Output is correct
22	Correct	0 ms	112080 KB	Output is correct
23	Correct	0 ms	112080 KB	Output is correct
24	Correct	6 ms	112080 KB	Output is correct
25	Correct	0 ms	112080 KB	Output is correct
26	Correct	0 ms	112080 KB	Output is correct
27	Correct	3 ms	112080 KB	Output is correct
28	Correct	3 ms	112080 KB	Output is correct
29	Correct	6 ms	112080 KB	Output is correct
30	Correct	0 ms	111948 KB	Output is correct
31	Correct	3 ms	112080 KB	Output is correct
32	Correct	3 ms	112080 KB	Output is correct
33	Correct	3 ms	112080 KB	Output is correct
34	Correct	3 ms	112080 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	111948 KB	Output is correct
2	Correct	0 ms	111948 KB	Output is correct
3	Correct	0 ms	111948 KB	Output is correct
4	Correct	0 ms	111948 KB	Output is correct
5	Correct	0 ms	111948 KB	Output is correct
6	Correct	0 ms	111948 KB	Output is correct
7	Correct	0 ms	111948 KB	Output is correct
8	Correct	0 ms	111948 KB	Output is correct
9	Correct	0 ms	111948 KB	Output is correct
10	Correct	0 ms	111948 KB	Output is correct
11	Correct	0 ms	111948 KB	Output is correct
12	Correct	0 ms	111948 KB	Output is correct
13	Correct	0 ms	111948 KB	Output is correct
14	Correct	0 ms	111948 KB	Output is correct
15	Correct	0 ms	111948 KB	Output is correct
16	Correct	0 ms	111948 KB	Output is correct
17	Correct	3 ms	112080 KB	Output is correct
18	Correct	0 ms	112080 KB	Output is correct
19	Correct	0 ms	112080 KB	Output is correct
20	Correct	6 ms	112080 KB	Output is correct
21	Correct	0 ms	111948 KB	Output is correct
22	Correct	0 ms	112080 KB	Output is correct
23	Correct	3 ms	112080 KB	Output is correct
24	Correct	0 ms	112080 KB	Output is correct
25	Correct	0 ms	112080 KB	Output is correct
26	Correct	0 ms	112080 KB	Output is correct
27	Correct	0 ms	112080 KB	Output is correct
28	Correct	3 ms	112080 KB	Output is correct
29	Correct	6 ms	112080 KB	Output is correct
30	Correct	0 ms	111948 KB	Output is correct
31	Correct	3 ms	112080 KB	Output is correct
32	Correct	0 ms	112080 KB	Output is correct
33	Correct	3 ms	112080 KB	Output is correct
34	Correct	6 ms	112080 KB	Output is correct
35	Correct	13 ms	112484 KB	Output is correct
36	Correct	0 ms	112080 KB	Output is correct
37	Correct	6 ms	112344 KB	Output is correct
38	Correct	13 ms	112608 KB	Output is correct
39	Correct	6 ms	112344 KB	Output is correct
40	Correct	9 ms	112344 KB	Output is correct
41	Correct	13 ms	112344 KB	Output is correct
42	Correct	6 ms	112212 KB	Output is correct
43	Correct	9 ms	112212 KB	Output is correct
44	Correct	9 ms	112212 KB	Output is correct
45	Correct	49 ms	112872 KB	Output is correct
46	Correct	43 ms	112872 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	111948 KB	Output is correct
2	Correct	0 ms	111948 KB	Output is correct
3	Correct	0 ms	111948 KB	Output is correct
4	Correct	0 ms	111948 KB	Output is correct
5	Correct	0 ms	111948 KB	Output is correct
6	Correct	0 ms	111948 KB	Output is correct
7	Correct	0 ms	111948 KB	Output is correct
8	Correct	0 ms	111948 KB	Output is correct
9	Correct	0 ms	111948 KB	Output is correct
10	Correct	0 ms	111948 KB	Output is correct
11	Correct	0 ms	111948 KB	Output is correct
12	Correct	0 ms	111948 KB	Output is correct
13	Correct	0 ms	111948 KB	Output is correct
14	Correct	0 ms	111948 KB	Output is correct
15	Correct	0 ms	111948 KB	Output is correct
16	Correct	0 ms	111948 KB	Output is correct
17	Correct	0 ms	112080 KB	Output is correct
18	Correct	0 ms	112080 KB	Output is correct
19	Correct	0 ms	112080 KB	Output is correct
20	Correct	3 ms	112080 KB	Output is correct
21	Correct	0 ms	111948 KB	Output is correct
22	Correct	0 ms	112080 KB	Output is correct
23	Correct	0 ms	112080 KB	Output is correct
24	Correct	0 ms	112080 KB	Output is correct
25	Correct	0 ms	112080 KB	Output is correct
26	Correct	3 ms	112080 KB	Output is correct
27	Correct	3 ms	112080 KB	Output is correct
28	Correct	3 ms	112080 KB	Output is correct
29	Correct	0 ms	112080 KB	Output is correct
30	Correct	0 ms	111948 KB	Output is correct
31	Correct	0 ms	112080 KB	Output is correct
32	Correct	3 ms	112080 KB	Output is correct
33	Correct	3 ms	112080 KB	Output is correct
34	Correct	3 ms	112080 KB	Output is correct
35	Correct	6 ms	112484 KB	Output is correct
36	Correct	0 ms	112080 KB	Output is correct
37	Correct	6 ms	112344 KB	Output is correct
38	Correct	9 ms	112608 KB	Output is correct
39	Correct	6 ms	112344 KB	Output is correct
40	Correct	9 ms	112344 KB	Output is correct
41	Correct	6 ms	112344 KB	Output is correct
42	Correct	3 ms	112212 KB	Output is correct
43	Correct	6 ms	112212 KB	Output is correct
44	Correct	9 ms	112212 KB	Output is correct
45	Correct	49 ms	112872 KB	Output is correct
46	Correct	46 ms	112872 KB	Output is correct
47	Correct	6 ms	112636 KB	Output is correct
48	Correct	6 ms	113024 KB	Output is correct
49	Correct	6 ms	113072 KB	Output is correct
50	Correct	6 ms	113000 KB	Output is correct
51	Correct	33 ms	113312 KB	Output is correct
52	Correct	36 ms	113444 KB	Output is correct
53	Correct	13 ms	113312 KB	Output is correct
54	Correct	6 ms	112652 KB	Output is correct
55	Correct	13 ms	112652 KB	Output is correct
56	Correct	26 ms	113576 KB	Output is correct
57	Correct	3 ms	112784 KB	Output is correct
58	Correct	39 ms	112924 KB	Output is correct
59	Correct	33 ms	112924 KB	Output is correct
60	Correct	36 ms	112932 KB	Output is correct
61	Correct	29 ms	112940 KB	Output is correct
62	Correct	99 ms	113576 KB	Output is correct
63	Correct	166 ms	113180 KB	Output is correct
64	Correct	136 ms	113048 KB	Output is correct
65	Correct	229 ms	113284 KB	Output is correct
66	Correct	389 ms	113584 KB	Output is correct
67	Correct	206 ms	113584 KB	Output is correct

답안 #22018

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 43.0 / 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
43.0 / 43.0