#include <cstdio>
#include <algorithm>
using namespace std;
int location[150000];
int L;
int dist(int a, int b) {
int t = 2 * L - (b - a);
return t > 0 ? t : 0;
}
int main() {
int N, i;
long long int l = 0;
scanf("%d%d", &N, &L);
for (i=0; i<N; ++i) {
scanf("%d", location+i);
}
stable_sort(location, location+N);
for (i=1; i<N; ++i) {
l += dist(location[i - 1], location[i]);
}
for (i=2; i<N; ++i) {
l -= dist(location[i - 2], location[i]);
}
printf("%lld\n", l);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1800 KB |
Output is correct |
2 |
Correct |
0 ms |
1800 KB |
Output is correct |
3 |
Correct |
0 ms |
1800 KB |
Output is correct |
4 |
Correct |
0 ms |
1800 KB |
Output is correct |
5 |
Correct |
0 ms |
1800 KB |
Output is correct |
6 |
Correct |
0 ms |
1800 KB |
Output is correct |
7 |
Correct |
0 ms |
1800 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1800 KB |
Output is correct |
2 |
Correct |
0 ms |
1800 KB |
Output is correct |
3 |
Correct |
0 ms |
1800 KB |
Output is correct |
4 |
Correct |
0 ms |
1800 KB |
Output is correct |
5 |
Correct |
0 ms |
1800 KB |
Output is correct |
6 |
Correct |
0 ms |
1800 KB |
Output is correct |
7 |
Correct |
0 ms |
1800 KB |
Output is correct |
8 |
Correct |
0 ms |
1800 KB |
Output is correct |
9 |
Correct |
0 ms |
1800 KB |
Output is correct |
10 |
Correct |
0 ms |
1800 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
31 ms |
2188 KB |
Output is correct |
2 |
Correct |
41 ms |
2384 KB |
Output is correct |
3 |
Correct |
0 ms |
1800 KB |
Output is correct |
4 |
Correct |
29 ms |
2188 KB |
Output is correct |
5 |
Correct |
53 ms |
2384 KB |
Output is correct |
6 |
Correct |
17 ms |
2164 KB |
Output is correct |
7 |
Correct |
51 ms |
2384 KB |
Output is correct |
8 |
Correct |
12 ms |
2032 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
55 ms |
2384 KB |
Output is correct |
2 |
Correct |
0 ms |
1800 KB |
Output is correct |
3 |
Correct |
54 ms |
2384 KB |
Output is correct |
4 |
Correct |
35 ms |
2188 KB |
Output is correct |
5 |
Correct |
27 ms |
2100 KB |
Output is correct |
6 |
Correct |
34 ms |
2180 KB |
Output is correct |
7 |
Correct |
49 ms |
2384 KB |
Output is correct |
8 |
Correct |
35 ms |
2188 KB |
Output is correct |
9 |
Correct |
55 ms |
2384 KB |
Output is correct |
10 |
Correct |
21 ms |
2032 KB |
Output is correct |
11 |
Correct |
53 ms |
2384 KB |
Output is correct |
12 |
Correct |
33 ms |
2164 KB |
Output is correct |
13 |
Correct |
30 ms |
2188 KB |
Output is correct |
14 |
Correct |
41 ms |
2384 KB |
Output is correct |
15 |
Correct |
41 ms |
2384 KB |
Output is correct |