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답안 #699939

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
699939 2023-02-18T11:19:45 Z Abrar_Al_Samit Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 79 ms 21800 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 * 100;

  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 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 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 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 1236 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 5 ms 1620 KB Output is correct
25 Correct 5 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 2260 KB Output is correct
29 Correct 13 ms 3696 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2480 KB Output is correct
32 Correct 6 ms 2132 KB Output is correct
33 Correct 28 ms 6236 KB Output is correct
34 Correct 30 ms 6208 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 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 1252 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 5 ms 1640 KB Output is correct
25 Correct 3 ms 1400 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 2260 KB Output is correct
29 Correct 13 ms 3700 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2480 KB Output is correct
32 Correct 7 ms 2132 KB Output is correct
33 Correct 28 ms 6184 KB Output is correct
34 Correct 26 ms 6204 KB Output is correct
35 Correct 33 ms 6108 KB Output is correct
36 Correct 6 ms 1824 KB Output is correct
37 Correct 79 ms 10808 KB Output is correct
38 Correct 49 ms 7876 KB Output is correct
39 Correct 47 ms 7868 KB Output is correct
40 Correct 54 ms 7852 KB Output is correct
41 Correct 46 ms 7892 KB Output is correct
42 Correct 8 ms 1664 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 5 ms 1492 KB Output is correct
45 Runtime error 59 ms 21696 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 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 988 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 3 ms 1236 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 4 ms 1668 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 3 ms 1364 KB Output is correct
24 Correct 4 ms 1624 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 2260 KB Output is correct
29 Correct 13 ms 3684 KB Output is correct
30 Correct 4 ms 1748 KB Output is correct
31 Correct 7 ms 2480 KB Output is correct
32 Correct 7 ms 2132 KB Output is correct
33 Correct 27 ms 6144 KB Output is correct
34 Correct 30 ms 6156 KB Output is correct
35 Correct 30 ms 6116 KB Output is correct
36 Correct 5 ms 1876 KB Output is correct
37 Correct 63 ms 10776 KB Output is correct
38 Correct 64 ms 7948 KB Output is correct
39 Correct 52 ms 7892 KB Output is correct
40 Correct 48 ms 7916 KB Output is correct
41 Correct 47 ms 7844 KB Output is correct
42 Correct 6 ms 1748 KB Output is correct
43 Correct 6 ms 1620 KB Output is correct
44 Correct 6 ms 1492 KB Output is correct
45 Runtime error 75 ms 21800 KB Execution killed with signal 6
46 Halted 0 ms 0 KB -