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Submission #63151

# Submission time Handle Problem Language Result Execution time Memory
63151 2018-08-01T01:15:26 Z khsoo01 None (KOI18_arrowH) C++11
100 / 100
 72 ms 16632 KB 
#include<bits/stdc++.h>
using namespace std;

const int N = 100005, inf = 2e9;

int n;

long long ans;

vector<int> v[N];

int main()
{
	scanf("%d",&n);
	for(int i=1;i<=n;i++) {
		int A, B;
		scanf("%d%d",&A,&B);
		v[B].push_back(A);
	}
	for(int i=1;i<=n;i++) {
		sort(v[i].begin(), v[i].end());
		if(v[i].size() == 1) continue;
		for(int j=0;j<(int)v[i].size();j++) {
			int T = inf;
			if(j != 0) T = min(T, v[i][j] - v[i][j-1]);
			if(j != (int)v[i].size() - 1) T = min(T, v[i][j+1] - v[i][j]);
			ans += T;
		}
	}
	printf("%lld\n",ans);
}

Compilation message

arrow.cpp: In function 'int main()':
arrow.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
arrow.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&A,&B);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 5 ms 2716 KB Output is correct
3 Correct 6 ms 2872 KB Output is correct
4 Correct 6 ms 2872 KB Output is correct
5 Correct 5 ms 2872 KB Output is correct
6 Correct 6 ms 3068 KB Output is correct
7 Correct 5 ms 3068 KB Output is correct
8 Correct 5 ms 3120 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 5 ms 2716 KB Output is correct
3 Correct 6 ms 2872 KB Output is correct
4 Correct 6 ms 2872 KB Output is correct
5 Correct 5 ms 2872 KB Output is correct
6 Correct 6 ms 3068 KB Output is correct
7 Correct 5 ms 3068 KB Output is correct
8 Correct 5 ms 3120 KB Output is correct
9 Correct 6 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 5 ms 3120 KB Output is correct
12 Correct 5 ms 3120 KB Output is correct
13 Correct 6 ms 3120 KB Output is correct
14 Correct 6 ms 3120 KB Output is correct
15 Correct 5 ms 3160 KB Output is correct
16 Correct 6 ms 3160 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 5 ms 2716 KB Output is correct
3 Correct 6 ms 2872 KB Output is correct
4 Correct 6 ms 2872 KB Output is correct
5 Correct 5 ms 2872 KB Output is correct
6 Correct 6 ms 3068 KB Output is correct
7 Correct 5 ms 3068 KB Output is correct
8 Correct 5 ms 3120 KB Output is correct
9 Correct 6 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 5 ms 3120 KB Output is correct
12 Correct 5 ms 3120 KB Output is correct
13 Correct 6 ms 3120 KB Output is correct
14 Correct 6 ms 3120 KB Output is correct
15 Correct 5 ms 3160 KB Output is correct
16 Correct 6 ms 3160 KB Output is correct
17 Correct 10 ms 3288 KB Output is correct
18 Correct 9 ms 3540 KB Output is correct
19 Correct 9 ms 3540 KB Output is correct
20 Correct 10 ms 3764 KB Output is correct
21 Correct 11 ms 3780 KB Output is correct
22 Correct 8 ms 3888 KB Output is correct
23 Correct 9 ms 4128 KB Output is correct
24 Correct 12 ms 4256 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 5 ms 2716 KB Output is correct
3 Correct 6 ms 2872 KB Output is correct
4 Correct 6 ms 2872 KB Output is correct
5 Correct 5 ms 2872 KB Output is correct
6 Correct 6 ms 3068 KB Output is correct
7 Correct 5 ms 3068 KB Output is correct
8 Correct 5 ms 3120 KB Output is correct
9 Correct 6 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 5 ms 3120 KB Output is correct
12 Correct 5 ms 3120 KB Output is correct
13 Correct 6 ms 3120 KB Output is correct
14 Correct 6 ms 3120 KB Output is correct
15 Correct 5 ms 3160 KB Output is correct
16 Correct 6 ms 3160 KB Output is correct
17 Correct 10 ms 3288 KB Output is correct
18 Correct 9 ms 3540 KB Output is correct
19 Correct 9 ms 3540 KB Output is correct
20 Correct 10 ms 3764 KB Output is correct
21 Correct 11 ms 3780 KB Output is correct
22 Correct 8 ms 3888 KB Output is correct
23 Correct 9 ms 4128 KB Output is correct
24 Correct 12 ms 4256 KB Output is correct
25 Correct 72 ms 6940 KB Output is correct
26 Correct 47 ms 7576 KB Output is correct
27 Correct 66 ms 9436 KB Output is correct
28 Correct 53 ms 10532 KB Output is correct
29 Correct 61 ms 12100 KB Output is correct
30 Correct 54 ms 13228 KB Output is correct
31 Correct 49 ms 14468 KB Output is correct
32 Correct 61 ms 16632 KB Output is correct