oj.uz

Submission #152120

# Submission time Handle Problem Language Result Execution time Memory
152120 2019-09-06T14:40:26 Z gs18103 None (KOI18_arrowH) C++14
100 / 100
 50 ms 5576 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define all(v) v.begin(), v.end()
#define eb emplace_back
#define INF 1e9
#define LINF 1e18
#define g(tp, x) get<x>(tp)

using namespace std;

vector <int> arr[101010];

int main() {
	ios::sync_with_stdio(false); cin.tie(0);

	int n;
	cin >> n;
	for(int i = 1; i <= n; i++) {
		int x, y; cin >> x >> y; arr[y].eb(x);
	}

	long long ans = 0;
	for(int i = 1; i <= n; i++) {
		sort(all(arr[i]));
		for(int j = 0; j < arr[i].size(); j++) {
			int temp = INF;
			if(j) temp = min(temp, arr[i][j]-arr[i][j-1]);
			if(j+1<arr[i].size()) temp = min(temp, arr[i][j+1]-arr[i][j]);
			if(temp != INF) ans += temp;
		}
	}
	cout << ans;
}

Compilation message

arrow.cpp: In function 'int main()':
arrow.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j < arr[i].size(); j++) {
                  ~~^~~~~~~~~~~~~~~
arrow.cpp:29:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(j+1<arr[i].size()) temp = min(temp, arr[i][j+1]-arr[i][j]);
       ~~~^~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 5 ms 2680 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 5 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 5 ms 2684 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 5 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 5 ms 2684 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 7 ms 2936 KB Output is correct
18 Correct 7 ms 2936 KB Output is correct
19 Correct 7 ms 2908 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 8 ms 2936 KB Output is correct
22 Correct 8 ms 2936 KB Output is correct
23 Correct 8 ms 2936 KB Output is correct
24 Correct 7 ms 2936 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 4 ms 2680 KB Output is correct
3 Correct 4 ms 2680 KB Output is correct
4 Correct 4 ms 2680 KB Output is correct
5 Correct 4 ms 2680 KB Output is correct
6 Correct 4 ms 2680 KB Output is correct
7 Correct 4 ms 2680 KB Output is correct
8 Correct 5 ms 2680 KB Output is correct
9 Correct 4 ms 2680 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 5 ms 2680 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 5 ms 2684 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct
16 Correct 5 ms 2808 KB Output is correct
17 Correct 7 ms 2936 KB Output is correct
18 Correct 7 ms 2936 KB Output is correct
19 Correct 7 ms 2908 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 8 ms 2936 KB Output is correct
22 Correct 8 ms 2936 KB Output is correct
23 Correct 8 ms 2936 KB Output is correct
24 Correct 7 ms 2936 KB Output is correct
25 Correct 49 ms 5576 KB Output is correct
26 Correct 38 ms 4700 KB Output is correct
27 Correct 50 ms 5116 KB Output is correct
28 Correct 35 ms 4600 KB Output is correct
29 Correct 45 ms 5184 KB Output is correct
30 Correct 34 ms 4728 KB Output is correct
31 Correct 34 ms 4728 KB Output is correct
32 Correct 43 ms 5240 KB Output is correct