oj.uz

Submission #295574

# Submission time Handle Problem Language Result Execution time Memory
295574 2020-09-09T18:47:03 Z RezwanArefin01 Safety (NOI18_safety) C++17
66 / 100
 2000 ms 1092 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> ii;

const int N = 2e5 + 5; 
int n, h, X; 

template<class T> 
void add(T &p, int x) {
  T q; 
  while(!p.empty()) {
    q.push(p.top() + x); 
    p.pop(); 
  }
  p = q; 
}

template<class T>
void print(T p) {
  while(!p.empty()) {
    cout << p.top() << " ";
    p.pop(); 
  }
  cout << endl; 
}

int main() {
#ifdef LOCAL
  freopen("in", "r", stdin); 
#endif
  scanf("%d %d", &n, &h); 

  priority_queue<ll> L; 
  priority_queue<ll, vector<ll>, greater<ll>> R; 

  ll ans = 0 ;
  for(int i = 0; i < n; ++i) {
    scanf("%d", &X); 

    add(L, -h); 
    add(R, h); 

    L.push(X);
    R.push(X); 

    if(X < L.top()) {
      ans += L.top() - X; 
      L.push(X); 
      R.push(L.top()); 
      R.pop(); 
      L.pop(); 
    } else if(X > R.top()) {
      ans += X - R.top(); 
      R.push(X); 
      L.push(R.top()); 
      L.pop(); R.pop(); 
    }
  }

  printf("%lld\n", ans); 
}

Compilation message

safety.cpp: In function 'int main()':
safety.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   33 |   scanf("%d %d", &n, &h);
      |   ~~~~~^~~~~~~~~~~~~~~~~
safety.cpp:40:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   40 |     scanf("%d", &X);
      |     ~~~~~^~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 256 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2073 ms 1092 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 17 ms 512 KB Output is correct
14 Correct 15 ms 384 KB Output is correct
15 Correct 14 ms 384 KB Output is correct
16 Correct 15 ms 384 KB Output is correct
17 Correct 12 ms 384 KB Output is correct
18 Correct 8 ms 384 KB Output is correct
19 Correct 16 ms 384 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 17 ms 512 KB Output is correct
14 Correct 15 ms 384 KB Output is correct
15 Correct 14 ms 384 KB Output is correct
16 Correct 15 ms 384 KB Output is correct
17 Correct 12 ms 384 KB Output is correct
18 Correct 8 ms 384 KB Output is correct
19 Correct 16 ms 384 KB Output is correct
20 Correct 13 ms 384 KB Output is correct
21 Correct 17 ms 384 KB Output is correct
22 Correct 11 ms 384 KB Output is correct
23 Correct 10 ms 384 KB Output is correct
24 Correct 14 ms 384 KB Output is correct
25 Correct 9 ms 384 KB Output is correct
26 Correct 15 ms 384 KB Output is correct
27 Correct 13 ms 384 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 17 ms 512 KB Output is correct
14 Correct 15 ms 384 KB Output is correct
15 Correct 14 ms 384 KB Output is correct
16 Correct 15 ms 384 KB Output is correct
17 Correct 12 ms 384 KB Output is correct
18 Correct 8 ms 384 KB Output is correct
19 Correct 16 ms 384 KB Output is correct
20 Correct 13 ms 384 KB Output is correct
21 Correct 17 ms 384 KB Output is correct
22 Correct 11 ms 384 KB Output is correct
23 Correct 10 ms 384 KB Output is correct
24 Correct 14 ms 384 KB Output is correct
25 Correct 9 ms 384 KB Output is correct
26 Correct 15 ms 384 KB Output is correct
27 Correct 13 ms 384 KB Output is correct
28 Correct 1867 ms 772 KB Output is correct
29 Correct 1287 ms 632 KB Output is correct
30 Correct 1820 ms 760 KB Output is correct
31 Correct 1161 ms 572 KB Output is correct
32 Correct 1181 ms 760 KB Output is correct
33 Correct 1773 ms 632 KB Output is correct
34 Correct 1728 ms 592 KB Output is correct

Subtask #8
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 17 ms 512 KB Output is correct
20 Correct 15 ms 384 KB Output is correct
21 Correct 14 ms 384 KB Output is correct
22 Correct 15 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 8 ms 384 KB Output is correct
25 Correct 16 ms 384 KB Output is correct
26 Correct 13 ms 384 KB Output is correct
27 Correct 17 ms 384 KB Output is correct
28 Correct 11 ms 384 KB Output is correct
29 Correct 10 ms 384 KB Output is correct
30 Correct 14 ms 384 KB Output is correct
31 Correct 9 ms 384 KB Output is correct
32 Correct 15 ms 384 KB Output is correct
33 Correct 13 ms 384 KB Output is correct
34 Correct 1867 ms 772 KB Output is correct
35 Correct 1287 ms 632 KB Output is correct
36 Correct 1820 ms 760 KB Output is correct
37 Correct 1161 ms 572 KB Output is correct
38 Correct 1181 ms 760 KB Output is correct
39 Correct 1773 ms 632 KB Output is correct
40 Correct 1728 ms 592 KB Output is correct
41 Correct 1811 ms 736 KB Output is correct
42 Correct 1059 ms 516 KB Output is correct
43 Correct 1683 ms 672 KB Output is correct
44 Correct 1797 ms 600 KB Output is correct
45 Correct 1425 ms 888 KB Output is correct
46 Correct 1217 ms 932 KB Output is correct

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Execution timed out 2073 ms 1092 KB Time limit exceeded
20 Halted 0 ms 0 KB -