답안 #31139 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
31139	2017-08-11T03:20:58 Z	nibnalin	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	36 / 100	36 ms	2180 KB

skyscraper

#include <iostream>
#include <cstdio>
#include <vector>
#include <set>
#include <cmath>
using namespace std;

const int inf = int(1e9)+5, maxn = int(2e3)+5;

int B[maxn], P[maxn], D[maxn];

int dist(int x, int y)
{
    int ret = abs(B[x]-B[y]);
    if(ret%P[x] == 0) return ret/P[x];
    else return inf;
}

int main(void)
{
    int n, m;
    scanf("%d%d", &n, &m);
    for(int i = 0;i < m;i++) scanf("%d%d", &B[i], &P[i]), D[i] = inf;

    set<pair<int, int>> Q;
    D[0] = 0;
    Q.insert({0, 0});

    while(!Q.empty())
    {
        pair<int, int> top = *Q.begin();
        Q.erase(Q.begin());
        //cout << top.second << "\n";

        for(int i = 0;i < m;i++)
        {
            if(i == top.second) continue;

            int c = dist(top.second, i);
            if(top.first+c < D[i])
            {
                if(D[i] != inf) Q.erase({D[i], i});
                D[i] = top.first+c;
                Q.insert({D[i], i});
            }
        }
    }

    printf("%d\n", (D[1] >= inf)?-1:D[1]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:22:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
                          ^
skyscraper.cpp:23:69: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 0;i < m;i++) scanf("%d%d", &B[i], &P[i]), D[i] = inf;
                                                                     ^

Subtask #1
10.0 / 10.0

#	결과	메모리	Grader output
1	Correct	2048 KB	Output is correct
2	Correct	2048 KB	Output is correct
3	Correct	2048 KB	Output is correct
4	Correct	2048 KB	Output is correct
5	Correct	2048 KB	Output is correct
6	Correct	2048 KB	Output is correct
7	Correct	2048 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2048 KB	Output is correct
2	Correct	0 ms	2048 KB	Output is correct
3	Correct	0 ms	2048 KB	Output is correct
4	Correct	0 ms	2048 KB	Output is correct
5	Correct	0 ms	2048 KB	Output is correct
6	Correct	0 ms	2048 KB	Output is correct
7	Correct	0 ms	2048 KB	Output is correct
8	Correct	0 ms	2048 KB	Output is correct
9	Correct	0 ms	2048 KB	Output is correct
10	Correct	0 ms	2048 KB	Output is correct
11	Correct	26 ms	2180 KB	Output is correct
12	Correct	19 ms	2180 KB	Output is correct
13	Correct	29 ms	2180 KB	Output is correct
14	Correct	19 ms	2180 KB	Output is correct
15	Correct	23 ms	2180 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2048 KB	Output is correct
2	Correct	0 ms	2048 KB	Output is correct
3	Correct	0 ms	2048 KB	Output is correct
4	Correct	0 ms	2048 KB	Output is correct
5	Correct	0 ms	2048 KB	Output is correct
6	Correct	0 ms	2048 KB	Output is correct
7	Correct	0 ms	2048 KB	Output is correct
8	Correct	0 ms	2048 KB	Output is correct
9	Correct	0 ms	2048 KB	Output is correct
10	Correct	0 ms	2048 KB	Output is correct
11	Correct	19 ms	2180 KB	Output is correct
12	Correct	19 ms	2180 KB	Output is correct
13	Correct	19 ms	2180 KB	Output is correct
14	Correct	19 ms	2180 KB	Output is correct
15	Correct	19 ms	2180 KB	Output is correct
16	Correct	0 ms	2048 KB	Output is correct
17	Correct	26 ms	2180 KB	Output is correct
18	Correct	0 ms	2048 KB	Output is correct
19	Correct	0 ms	2048 KB	Output is correct
20	Correct	33 ms	2180 KB	Output is correct
21	Correct	0 ms	2048 KB	Output is correct
22	Correct	0 ms	2048 KB	Output is correct
23	Correct	3 ms	2048 KB	Output is correct
24	Correct	23 ms	2180 KB	Output is correct
25	Correct	26 ms	2180 KB	Output is correct
26	Correct	16 ms	2180 KB	Output is correct
27	Correct	23 ms	2180 KB	Output is correct
28	Correct	23 ms	2048 KB	Output is correct
29	Correct	3 ms	2048 KB	Output is correct
30	Correct	0 ms	2048 KB	Output is correct
31	Correct	0 ms	2048 KB	Output is correct
32	Correct	3 ms	2048 KB	Output is correct
33	Correct	26 ms	2180 KB	Output is correct
34	Correct	23 ms	2180 KB	Output is correct

Subtask #4
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2048 KB	Output is correct
2	Correct	0 ms	2048 KB	Output is correct
3	Correct	0 ms	2048 KB	Output is correct
4	Correct	0 ms	2048 KB	Output is correct
5	Correct	0 ms	2048 KB	Output is correct
6	Correct	0 ms	2048 KB	Output is correct
7	Correct	0 ms	2048 KB	Output is correct
8	Correct	0 ms	2048 KB	Output is correct
9	Correct	0 ms	2048 KB	Output is correct
10	Correct	0 ms	2048 KB	Output is correct
11	Correct	29 ms	2180 KB	Output is correct
12	Correct	23 ms	2180 KB	Output is correct
13	Correct	33 ms	2180 KB	Output is correct
14	Correct	36 ms	2180 KB	Output is correct
15	Correct	23 ms	2180 KB	Output is correct
16	Correct	0 ms	2048 KB	Output is correct
17	Correct	26 ms	2180 KB	Output is correct
18	Correct	0 ms	2048 KB	Output is correct
19	Correct	0 ms	2048 KB	Output is correct
20	Correct	26 ms	2180 KB	Output is correct
21	Correct	0 ms	2048 KB	Output is correct
22	Correct	0 ms	2048 KB	Output is correct
23	Correct	3 ms	2048 KB	Output is correct
24	Correct	26 ms	2180 KB	Output is correct
25	Correct	23 ms	2180 KB	Output is correct
26	Correct	19 ms	2180 KB	Output is correct
27	Correct	19 ms	2180 KB	Output is correct
28	Correct	26 ms	2048 KB	Output is correct
29	Correct	3 ms	2048 KB	Output is correct
30	Correct	0 ms	2048 KB	Output is correct
31	Correct	3 ms	2048 KB	Output is correct
32	Correct	0 ms	2048 KB	Output is correct
33	Correct	26 ms	2180 KB	Output is correct
34	Correct	23 ms	2180 KB	Output is correct
35	Runtime error	0 ms	2048 KB	Execution killed because of forbidden syscall futex (202)
36	Halted	0 ms	0 KB	-

Subtask #5
0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2048 KB	Output is correct
2	Correct	0 ms	2048 KB	Output is correct
3	Correct	0 ms	2048 KB	Output is correct
4	Correct	0 ms	2048 KB	Output is correct
5	Correct	0 ms	2048 KB	Output is correct
6	Correct	0 ms	2048 KB	Output is correct
7	Correct	0 ms	2048 KB	Output is correct
8	Correct	0 ms	2048 KB	Output is correct
9	Correct	0 ms	2048 KB	Output is correct
10	Correct	0 ms	2048 KB	Output is correct
11	Correct	19 ms	2180 KB	Output is correct
12	Correct	19 ms	2180 KB	Output is correct
13	Correct	19 ms	2180 KB	Output is correct
14	Correct	19 ms	2180 KB	Output is correct
15	Correct	16 ms	2180 KB	Output is correct
16	Correct	0 ms	2048 KB	Output is correct
17	Correct	16 ms	2180 KB	Output is correct
18	Correct	0 ms	2048 KB	Output is correct
19	Correct	0 ms	2048 KB	Output is correct
20	Correct	19 ms	2180 KB	Output is correct
21	Correct	0 ms	2048 KB	Output is correct
22	Correct	0 ms	2048 KB	Output is correct
23	Correct	3 ms	2048 KB	Output is correct
24	Correct	16 ms	2180 KB	Output is correct
25	Correct	19 ms	2180 KB	Output is correct
26	Correct	19 ms	2180 KB	Output is correct
27	Correct	19 ms	2180 KB	Output is correct
28	Correct	19 ms	2048 KB	Output is correct
29	Correct	3 ms	2048 KB	Output is correct
30	Correct	0 ms	2048 KB	Output is correct
31	Correct	0 ms	2048 KB	Output is correct
32	Correct	0 ms	2048 KB	Output is correct
33	Correct	23 ms	2180 KB	Output is correct
34	Correct	23 ms	2180 KB	Output is correct
35	Runtime error	0 ms	2048 KB	Execution killed because of forbidden syscall futex (202)
36	Halted	0 ms	0 KB	-

답안 #31139

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