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Submission #269476

# Submission time Handle Problem Language Result Execution time Memory
269476 2020-08-17T07:17:42 Z sean9892 None (KOI18_arrowH) C++14
100 / 100
 117 ms 7612 KB 
#include<bits/stdc++.h>
using namespace std;

vector<int> v[100010];
set<int> s;

int main(void){
	ios::sync_with_stdio(0);cin.tie(0);
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		int x,y;
		cin>>x>>y;
		v[y].push_back(x);
		s.insert(y);
	}
	long long sum=0;
	for(int c:s){
		sort(v[c].begin(),v[c].end());
		if(v[c].size()==1)continue;
		auto& w=v[c];
		sum+=1ll*w[1]-w[0]+w[w.size()-1]-w[w.size()-2];
		for(int i=1;i<w.size()-1;i++){
			sum+=min(w[i]-w[i-1],w[i+1]-w[i]);
		}
	}
	cout<<sum;
}

Compilation message

arrow.cpp: In function 'int main()':
arrow.cpp:23:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i=1;i<w.size()-1;i++){
      |               ~^~~~~~~~~~~

Subtask #1
21.0 / 21.0

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

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 3 ms 2688 KB Output is correct
11 Correct 3 ms 2688 KB Output is correct
12 Correct 3 ms 2688 KB Output is correct
13 Correct 4 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 3 ms 2784 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 3 ms 2688 KB Output is correct
11 Correct 3 ms 2688 KB Output is correct
12 Correct 3 ms 2688 KB Output is correct
13 Correct 4 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 3 ms 2784 KB Output is correct
17 Correct 8 ms 3072 KB Output is correct
18 Correct 10 ms 3072 KB Output is correct
19 Correct 8 ms 2944 KB Output is correct
20 Correct 7 ms 3072 KB Output is correct
21 Correct 7 ms 2880 KB Output is correct
22 Correct 5 ms 2944 KB Output is correct
23 Correct 7 ms 3072 KB Output is correct
24 Correct 9 ms 3048 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 3 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 3 ms 2688 KB Output is correct
11 Correct 3 ms 2688 KB Output is correct
12 Correct 3 ms 2688 KB Output is correct
13 Correct 4 ms 2688 KB Output is correct
14 Correct 5 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 3 ms 2784 KB Output is correct
17 Correct 8 ms 3072 KB Output is correct
18 Correct 10 ms 3072 KB Output is correct
19 Correct 8 ms 2944 KB Output is correct
20 Correct 7 ms 3072 KB Output is correct
21 Correct 7 ms 2880 KB Output is correct
22 Correct 5 ms 2944 KB Output is correct
23 Correct 7 ms 3072 KB Output is correct
24 Correct 9 ms 3048 KB Output is correct
25 Correct 111 ms 7612 KB Output is correct
26 Correct 39 ms 4856 KB Output is correct
27 Correct 76 ms 6136 KB Output is correct
28 Correct 54 ms 4948 KB Output is correct
29 Correct 73 ms 5624 KB Output is correct
30 Correct 70 ms 5332 KB Output is correct
31 Correct 53 ms 4856 KB Output is correct
32 Correct 117 ms 6984 KB Output is correct