oj.uz

Submission #20172

# Submission time Handle Problem Language Result Execution time Memory
20172 2016-03-01T05:56:45 Z suhgyuho_william 정전 (OJUZ10_blackout) C++
100 / 100
 50 ms 2256 KB 
#include <stdio.h>
#include <algorithm>

using namespace std;

#define lld long long

int N;
lld a[150010],L;
lld ans;

int main(){
    int i;
    lld e,s;
	//freopen("input.txt","r",stdin);

	scanf("%d %lld",&N,&L);
	for(i=1; i<=N; i++) scanf("%lld",&a[i]);
	sort(a+1,a+N+1);

	for(i=2; i<=N; i++){
		e = a[i-1]+L;
		s = a[i]-L;
		if(e <= s) continue;
		if(i > 2) s = max(s,a[i-2]+L);
		ans += (e-s);
	}
	printf("%lld",ans);

	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2256 KB Output is correct
2 Correct 0 ms 2256 KB Output is correct
3 Correct 0 ms 2256 KB Output is correct
4 Correct 0 ms 2256 KB Output is correct
5 Correct 0 ms 2256 KB Output is correct
6 Correct 0 ms 2256 KB Output is correct
7 Correct 0 ms 2256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2256 KB Output is correct
2 Correct 0 ms 2256 KB Output is correct
3 Correct 0 ms 2256 KB Output is correct
4 Correct 0 ms 2256 KB Output is correct
5 Correct 0 ms 2256 KB Output is correct
6 Correct 0 ms 2256 KB Output is correct
7 Correct 0 ms 2256 KB Output is correct
8 Correct 0 ms 2256 KB Output is correct
9 Correct 0 ms 2256 KB Output is correct
10 Correct 0 ms 2256 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2256 KB Output is correct
2 Correct 13 ms 2256 KB Output is correct
3 Correct 48 ms 2256 KB Output is correct
4 Correct 44 ms 2256 KB Output is correct
5 Correct 31 ms 2256 KB Output is correct
6 Correct 47 ms 2256 KB Output is correct
7 Correct 0 ms 2256 KB Output is correct
8 Correct 29 ms 2256 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 2256 KB Output is correct
2 Correct 21 ms 2256 KB Output is correct
3 Correct 50 ms 2256 KB Output is correct
4 Correct 33 ms 2256 KB Output is correct
5 Correct 48 ms 2256 KB Output is correct
6 Correct 49 ms 2256 KB Output is correct
7 Correct 29 ms 2256 KB Output is correct
8 Correct 49 ms 2256 KB Output is correct
9 Correct 24 ms 2256 KB Output is correct
10 Correct 37 ms 2256 KB Output is correct
11 Correct 50 ms 2256 KB Output is correct
12 Correct 50 ms 2256 KB Output is correct
13 Correct 0 ms 2256 KB Output is correct
14 Correct 33 ms 2256 KB Output is correct
15 Correct 15 ms 2256 KB Output is correct