답안 #45857 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
45857	2018-04-16T09:29:36 Z	antimirage	Jakarta Skyscrapers (APIO15_skyscraper)	C++17	36 / 100	65 ms	33436 KB

skyscraper

#include <bits/stdc++.h>

#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define OK puts("OK");
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()

using namespace std;

const int N = 2005, inf = 1e9 + 7;

int n, m, u[N][N], pos[N], pw[N], ans = 1e9 + 7;

vector <int> vec[N];

priority_queue < pair < int, pair <int, int> > > q;

main()
{
    cin >> n >> m;
    for (int i = 0; i < m; i++)
    {
        scanf("%d%d", &pos[i], &pw[i]);
        vec[pos[i]].pb(pw[i]);
    }
    for (int i = 0; i < N; i++)
        for (int j = 0; j < N; j++)
            u[i][j] = inf;

    for (auto to : vec[ pos[0] ])
    {
        if (u[ pos[0] ][to] > 0)
        {
            q.push( mk( 0, mk(pos[0], to) ) );
            u[ pos[0] ][to] = 0;
        }
    }
    vec[ pos[0] ].clear();

    while (!q.empty() )
    {
        int v = q.top().sc.fr, cur_pow = q.top().sc.sc, cur_len = -q.top().fr;
        q.pop();

        if ( cur_len > u[v][cur_pow] ) continue;

        for (auto it : vec[v])
        {
            if (u[v][it] > u[v][cur_pow])
            {
                u[v][it] = u[v][cur_pow];
                q.push( mk(-u[v][it], mk(v, it) ) );
            }
        }
        vec[v].clear();

        if ( v - cur_pow >= 0 && u[v - cur_pow][cur_pow] > u[v][cur_pow] + 1 )
        {
            u[v - cur_pow][cur_pow] = u[v][cur_pow] + 1;
            q.push( mk(-u[v - cur_pow][cur_pow], mk(v - cur_pow, cur_pow) ) );
        }
        if ( v + cur_pow < n && u[v + cur_pow][cur_pow] > u[v][cur_pow] + 1 )
        {
            u[v + cur_pow][cur_pow] = u[v][cur_pow] + 1;

            q.push( mk( -u[v + cur_pow][cur_pow], mk(v + cur_pow, cur_pow) ) );
        }
    }
    for (int i = 0; i < m; i++)
        ans = min(ans, u[ pos[1] ][ pw[i] ] );

    if (ans == inf)
        ans = -1;

    cout << ans << endl;
}
/**
5 3
0 2
1 1
4 1
**/

Compilation message

skyscraper.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:26:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &pos[i], &pw[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	16120 KB	Output is correct
2	Correct	15 ms	16120 KB	Output is correct
3	Correct	15 ms	16156 KB	Output is correct
4	Correct	15 ms	16188 KB	Output is correct
5	Correct	16 ms	16188 KB	Output is correct
6	Correct	17 ms	16232 KB	Output is correct
7	Correct	14 ms	16360 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16360 KB	Output is correct
2	Correct	15 ms	16360 KB	Output is correct
3	Correct	14 ms	16360 KB	Output is correct
4	Correct	14 ms	16360 KB	Output is correct
5	Correct	19 ms	16360 KB	Output is correct
6	Correct	18 ms	16360 KB	Output is correct
7	Correct	14 ms	16360 KB	Output is correct
8	Correct	15 ms	16360 KB	Output is correct
9	Correct	14 ms	16360 KB	Output is correct
10	Correct	15 ms	16360 KB	Output is correct
11	Correct	15 ms	16360 KB	Output is correct
12	Correct	15 ms	16360 KB	Output is correct
13	Correct	19 ms	16360 KB	Output is correct
14	Correct	16 ms	16360 KB	Output is correct
15	Correct	19 ms	16360 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	16360 KB	Output is correct
2	Correct	19 ms	16360 KB	Output is correct
3	Correct	15 ms	16360 KB	Output is correct
4	Correct	16 ms	16380 KB	Output is correct
5	Correct	15 ms	16380 KB	Output is correct
6	Correct	15 ms	16380 KB	Output is correct
7	Correct	17 ms	16380 KB	Output is correct
8	Correct	15 ms	16452 KB	Output is correct
9	Correct	19 ms	16452 KB	Output is correct
10	Correct	15 ms	16452 KB	Output is correct
11	Correct	16 ms	16452 KB	Output is correct
12	Correct	15 ms	16452 KB	Output is correct
13	Correct	15 ms	16452 KB	Output is correct
14	Correct	18 ms	16452 KB	Output is correct
15	Correct	16 ms	16452 KB	Output is correct
16	Correct	15 ms	16452 KB	Output is correct
17	Correct	19 ms	16492 KB	Output is correct
18	Correct	16 ms	16492 KB	Output is correct
19	Correct	14 ms	16492 KB	Output is correct
20	Correct	16 ms	16492 KB	Output is correct
21	Correct	15 ms	16492 KB	Output is correct
22	Correct	15 ms	16492 KB	Output is correct
23	Correct	16 ms	16492 KB	Output is correct
24	Correct	17 ms	16492 KB	Output is correct
25	Correct	18 ms	16492 KB	Output is correct
26	Correct	20 ms	16492 KB	Output is correct
27	Correct	15 ms	16492 KB	Output is correct
28	Correct	18 ms	16492 KB	Output is correct
29	Correct	22 ms	16492 KB	Output is correct
30	Correct	17 ms	16492 KB	Output is correct
31	Correct	19 ms	16492 KB	Output is correct
32	Correct	20 ms	16492 KB	Output is correct
33	Correct	32 ms	16492 KB	Output is correct
34	Correct	35 ms	16492 KB	Output is correct

Subtask #4
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	16492 KB	Output is correct
2	Correct	19 ms	16492 KB	Output is correct
3	Correct	16 ms	16492 KB	Output is correct
4	Correct	15 ms	16492 KB	Output is correct
5	Correct	18 ms	16508 KB	Output is correct
6	Correct	15 ms	16508 KB	Output is correct
7	Correct	15 ms	16508 KB	Output is correct
8	Correct	18 ms	16508 KB	Output is correct
9	Correct	14 ms	16508 KB	Output is correct
10	Correct	15 ms	16508 KB	Output is correct
11	Correct	21 ms	16508 KB	Output is correct
12	Correct	17 ms	16508 KB	Output is correct
13	Correct	19 ms	16508 KB	Output is correct
14	Correct	18 ms	16508 KB	Output is correct
15	Correct	17 ms	16508 KB	Output is correct
16	Correct	15 ms	16508 KB	Output is correct
17	Correct	21 ms	16508 KB	Output is correct
18	Correct	16 ms	16508 KB	Output is correct
19	Correct	16 ms	16508 KB	Output is correct
20	Correct	19 ms	16508 KB	Output is correct
21	Correct	18 ms	16508 KB	Output is correct
22	Correct	19 ms	16508 KB	Output is correct
23	Correct	16 ms	16508 KB	Output is correct
24	Correct	24 ms	16508 KB	Output is correct
25	Correct	17 ms	16508 KB	Output is correct
26	Correct	20 ms	16508 KB	Output is correct
27	Correct	17 ms	16508 KB	Output is correct
28	Correct	18 ms	16508 KB	Output is correct
29	Correct	31 ms	16508 KB	Output is correct
30	Correct	22 ms	16508 KB	Output is correct
31	Correct	19 ms	16508 KB	Output is correct
32	Correct	17 ms	16508 KB	Output is correct
33	Correct	37 ms	16508 KB	Output is correct
34	Correct	33 ms	16508 KB	Output is correct
35	Runtime error	63 ms	33336 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
36	Halted	0 ms	0 KB	-

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	15 ms	33336 KB	Output is correct
2	Correct	17 ms	33336 KB	Output is correct
3	Correct	15 ms	33336 KB	Output is correct
4	Correct	14 ms	33336 KB	Output is correct
5	Correct	15 ms	33336 KB	Output is correct
6	Correct	16 ms	33336 KB	Output is correct
7	Correct	15 ms	33336 KB	Output is correct
8	Correct	14 ms	33336 KB	Output is correct
9	Correct	15 ms	33336 KB	Output is correct
10	Correct	15 ms	33336 KB	Output is correct
11	Correct	15 ms	33336 KB	Output is correct
12	Correct	15 ms	33336 KB	Output is correct
13	Correct	14 ms	33336 KB	Output is correct
14	Correct	16 ms	33336 KB	Output is correct
15	Correct	15 ms	33336 KB	Output is correct
16	Correct	15 ms	33336 KB	Output is correct
17	Correct	18 ms	33336 KB	Output is correct
18	Correct	18 ms	33336 KB	Output is correct
19	Correct	14 ms	33336 KB	Output is correct
20	Correct	15 ms	33336 KB	Output is correct
21	Correct	16 ms	33336 KB	Output is correct
22	Correct	14 ms	33336 KB	Output is correct
23	Correct	16 ms	33336 KB	Output is correct
24	Correct	19 ms	33336 KB	Output is correct
25	Correct	15 ms	33336 KB	Output is correct
26	Correct	15 ms	33336 KB	Output is correct
27	Correct	16 ms	33336 KB	Output is correct
28	Correct	17 ms	33336 KB	Output is correct
29	Correct	22 ms	33336 KB	Output is correct
30	Correct	16 ms	33336 KB	Output is correct
31	Correct	18 ms	33336 KB	Output is correct
32	Correct	18 ms	33336 KB	Output is correct
33	Correct	31 ms	33336 KB	Output is correct
34	Correct	31 ms	33336 KB	Output is correct
35	Runtime error	65 ms	33436 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
36	Halted	0 ms	0 KB	-

답안 #45857

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 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
0 / 21.0

Subtask #5
0 / 43.0