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답안 #699941

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
699941 2023-02-18T11:22:14 Z Abrar_Al_Samit Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 133 ms 39572 KB 
#include<bits/stdc++.h>
using namespace std;

const int nax = 3e4 + 3;
const int INF = 1e9;

int b[nax], p[nax];
vector<int>doges[nax];

unordered_map<long long,int>dist;

int get(int x, int y) {
  long long H = x * 10000000LL + y;
  if(dist.find(H)!=dist.end()) return dist[H];
  return INF;
}
void put(int x, int y, int val) {
  long long H = x * 10000000LL + y;
  dist[H] = val;
}
void PlayGround() {
  int n, m;
  cin>>n>>m;

  for(int i=0; i<m; ++i) {
    cin>>b[i]>>p[i];
    doges[b[i]].push_back(p[i]);
  }

  put(b[0], 0, 0);

  queue<tuple<int,int,int>>q;
  q.push({b[0], 0, 0});

  int lim = n * 200;

  while(!q.empty()) {
    assert(dist.size()<lim);
    auto x = q.front();
    q.pop();
    int ss, j, d;
    tie(ss, j, d) = x;
    if(d!=get(ss, j)) continue;


    if(j==0) {
      for(int z : doges[ss]) {
        if(get(ss, z)>d) {
          put(ss, z, d);
          q.emplace(ss, z, d);
        }
      }
    } else {
      if(ss+j<n) {
        if(get(ss+j, j)>d+1) {
          put(ss+j, j, d+1);
          q.emplace(ss+j, j, d+1);
        }
        if(get(ss+j, 0)>d+1) {
          put(ss+j, 0, d+1);
          q.emplace(ss+j, 0, d+1);
        }
      }
      if(ss-j>=0) {
        if(get(ss-j, j)>d+1) {
          put(ss-j, j, d+1);
          q.emplace(ss-j, j, d+1);
        }
        if(get(ss-j, 0)>d+1) {
          put(ss-j, 0, d+1);
          q.emplace(ss-j, 0, d+1);
        }
      }
    }
  }
  int ans = get(b[1], 0);
  if(ans==INF) ans = -1;
  cout<<ans<<'\n';
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  PlayGround();
  return 0;
}

Compilation message

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from skyscraper.cpp:1:
skyscraper.cpp: In function 'void PlayGround()':
skyscraper.cpp:38:23: warning: comparison of integer expressions of different signedness: 'std::unordered_map<long long int, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   38 |     assert(dist.size()<lim);
      |            ~~~~~~~~~~~^~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 912 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 3 ms 1236 KB Output is correct
15 Correct 2 ms 1236 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 932 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 2 ms 1236 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 7 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 3 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 3 ms 1364 KB Output is correct
28 Correct 6 ms 2176 KB Output is correct
29 Correct 12 ms 3712 KB Output is correct
30 Correct 5 ms 1748 KB Output is correct
31 Correct 8 ms 2480 KB Output is correct
32 Correct 5 ms 2132 KB Output is correct
33 Correct 26 ms 6208 KB Output is correct
34 Correct 28 ms 6196 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 980 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 1032 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 3 ms 1236 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 2 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 3 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 2 ms 1364 KB Output is correct
28 Correct 6 ms 2228 KB Output is correct
29 Correct 13 ms 3616 KB Output is correct
30 Correct 5 ms 1748 KB Output is correct
31 Correct 10 ms 2480 KB Output is correct
32 Correct 8 ms 2132 KB Output is correct
33 Correct 28 ms 6152 KB Output is correct
34 Correct 26 ms 6200 KB Output is correct
35 Correct 29 ms 6144 KB Output is correct
36 Correct 5 ms 1804 KB Output is correct
37 Correct 55 ms 10852 KB Output is correct
38 Correct 46 ms 7872 KB Output is correct
39 Correct 55 ms 7892 KB Output is correct
40 Correct 63 ms 7976 KB Output is correct
41 Correct 51 ms 7920 KB Output is correct
42 Correct 6 ms 1748 KB Output is correct
43 Correct 6 ms 1748 KB Output is correct
44 Correct 6 ms 1492 KB Output is correct
45 Runtime error 133 ms 39516 KB Execution killed with signal 6
46 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 984 KB Output is correct
4 Correct 1 ms 984 KB Output is correct
5 Correct 1 ms 988 KB Output is correct
6 Correct 1 ms 992 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1108 KB Output is correct
11 Correct 2 ms 1236 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 2 ms 1348 KB Output is correct
15 Correct 2 ms 1348 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 1620 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 2 ms 1236 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 3 ms 1364 KB Output is correct
24 Correct 4 ms 1620 KB Output is correct
25 Correct 3 ms 1364 KB Output is correct
26 Correct 3 ms 1364 KB Output is correct
27 Correct 3 ms 1364 KB Output is correct
28 Correct 9 ms 2260 KB Output is correct
29 Correct 12 ms 3684 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2464 KB Output is correct
32 Correct 5 ms 2132 KB Output is correct
33 Correct 25 ms 6164 KB Output is correct
34 Correct 26 ms 6144 KB Output is correct
35 Correct 29 ms 6120 KB Output is correct
36 Correct 5 ms 1888 KB Output is correct
37 Correct 75 ms 10764 KB Output is correct
38 Correct 53 ms 7872 KB Output is correct
39 Correct 45 ms 7820 KB Output is correct
40 Correct 55 ms 7920 KB Output is correct
41 Correct 50 ms 7812 KB Output is correct
42 Correct 9 ms 1700 KB Output is correct
43 Correct 9 ms 1732 KB Output is correct
44 Correct 6 ms 1536 KB Output is correct
45 Runtime error 132 ms 39572 KB Execution killed with signal 6
46 Halted 0 ms 0 KB -