oj.uz

Submission #234850

# Submission time Handle Problem Language Result Execution time Memory
234850 2020-05-26T01:20:24 Z jhnah917 None (KOI18_arrowH) C++14
100 / 100
 41 ms 5624 KB 
#include <bits/stdc++.h>
#define x first
#define y second
#define all(v) v.begin(), v.end()
using namespace std;

typedef long long ll;
typedef pair<ll, ll> p;

int n;
vector<int> v[101010];

int main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
  cin >> n;
  for(int i=0; i<n; i++){
    int a, b; cin >> a >> b;
    v[b].push_back(a);
  }
  ll ans = 0;
  for(int i=0; i<101010; i++){
    sort(all(v[i]));
    if(v[i].size() <= 1) continue;
    for(int j=0; j<v[i].size(); j++){
      if(j == 0) ans += v[i][1] - v[i][j];
      else if(j == v[i].size() - 1) ans += v[i][j] - v[i][j-1];
      else ans += min(v[i][j] - v[i][j-1], v[i][j+1] - v[i][j]);
    }
  }
  cout << ans;
}

Compilation message

arrow.cpp: In function 'int main()':
arrow.cpp:24:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j=0; j<v[i].size(); j++){
                  ~^~~~~~~~~~~~
arrow.cpp:26:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       else if(j == v[i].size() - 1) ans += v[i][j] - v[i][j-1];
               ~~^~~~~~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 7 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 7 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 9 ms 2944 KB Output is correct
18 Correct 10 ms 2944 KB Output is correct
19 Correct 8 ms 2944 KB Output is correct
20 Correct 9 ms 2944 KB Output is correct
21 Correct 8 ms 2944 KB Output is correct
22 Correct 8 ms 2944 KB Output is correct
23 Correct 9 ms 2944 KB Output is correct
24 Correct 9 ms 2944 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct
5 Correct 6 ms 2688 KB Output is correct
6 Correct 6 ms 2688 KB Output is correct
7 Correct 6 ms 2688 KB Output is correct
8 Correct 6 ms 2688 KB Output is correct
9 Correct 6 ms 2688 KB Output is correct
10 Correct 6 ms 2688 KB Output is correct
11 Correct 6 ms 2688 KB Output is correct
12 Correct 6 ms 2688 KB Output is correct
13 Correct 7 ms 2688 KB Output is correct
14 Correct 6 ms 2688 KB Output is correct
15 Correct 7 ms 2816 KB Output is correct
16 Correct 6 ms 2688 KB Output is correct
17 Correct 9 ms 2944 KB Output is correct
18 Correct 10 ms 2944 KB Output is correct
19 Correct 8 ms 2944 KB Output is correct
20 Correct 9 ms 2944 KB Output is correct
21 Correct 8 ms 2944 KB Output is correct
22 Correct 8 ms 2944 KB Output is correct
23 Correct 9 ms 2944 KB Output is correct
24 Correct 9 ms 2944 KB Output is correct
25 Correct 41 ms 5624 KB Output is correct
26 Correct 34 ms 4708 KB Output is correct
27 Correct 39 ms 5112 KB Output is correct
28 Correct 33 ms 4736 KB Output is correct
29 Correct 40 ms 4984 KB Output is correct
30 Correct 32 ms 4600 KB Output is correct
31 Correct 33 ms 4728 KB Output is correct
32 Correct 39 ms 5240 KB Output is correct