| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 44272 |
2018-03-31T06:33:14 Z |
leejseo |
Stove (JOI18_stove) |
Python 2 |
|
205 ms |
19020 KB |
import sys
c = int(2E9)
raw_input = sys.stdin.readline
range = xrange
N, K = map(int, raw_input().split())
T = [0 for i in range(N) ]
for i in range(N):
T[i] = int(raw_input())
''' O(NK) code
DP = [ [c]*K for i in xrange(N) ]
DIFF = [0]*N
for i in range(1, N):
DIFF[i] = T[i] - T[i-1]
for i in range(K):
DP[0][i] = 1
for i in range(1, N):
DP[i][0] = T[i] + 1 - T[0]
for j in range(1, K):
DP[i][j] = min(DP[i-1][j] + DIFF[i],
DP[i-1][j-1] + 1)
print min(DP[N-1])
'''
#### GREEDY APPROACH
#### If we turn-on stove k times,
#### Then, it is equivalent to turn-off stove on k-1 intervals
M = []
for i in range(N-1):
M.append(T[i] - T[i+1])
M.sort()
ans = T[-1] - T[0] + K
for i in range(K-1):
ans += M[i]
print ans
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2936 KB |
Output is correct |
| 2 |
Correct |
13 ms |
3068 KB |
Output is correct |
| 3 |
Correct |
15 ms |
3120 KB |
Output is correct |
| 4 |
Correct |
14 ms |
3120 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3120 KB |
Output is correct |
| 6 |
Correct |
13 ms |
3228 KB |
Output is correct |
| 7 |
Correct |
15 ms |
3228 KB |
Output is correct |
| 8 |
Correct |
18 ms |
3228 KB |
Output is correct |
| 9 |
Correct |
13 ms |
3228 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2936 KB |
Output is correct |
| 2 |
Correct |
13 ms |
3068 KB |
Output is correct |
| 3 |
Correct |
15 ms |
3120 KB |
Output is correct |
| 4 |
Correct |
14 ms |
3120 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3120 KB |
Output is correct |
| 6 |
Correct |
13 ms |
3228 KB |
Output is correct |
| 7 |
Correct |
15 ms |
3228 KB |
Output is correct |
| 8 |
Correct |
18 ms |
3228 KB |
Output is correct |
| 9 |
Correct |
13 ms |
3228 KB |
Output is correct |
| 10 |
Correct |
18 ms |
3264 KB |
Output is correct |
| 11 |
Correct |
18 ms |
3296 KB |
Output is correct |
| 12 |
Correct |
18 ms |
3328 KB |
Output is correct |
| 13 |
Correct |
19 ms |
3480 KB |
Output is correct |
| 14 |
Correct |
18 ms |
3480 KB |
Output is correct |
| 15 |
Correct |
20 ms |
3480 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
2936 KB |
Output is correct |
| 2 |
Correct |
13 ms |
3068 KB |
Output is correct |
| 3 |
Correct |
15 ms |
3120 KB |
Output is correct |
| 4 |
Correct |
14 ms |
3120 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3120 KB |
Output is correct |
| 6 |
Correct |
13 ms |
3228 KB |
Output is correct |
| 7 |
Correct |
15 ms |
3228 KB |
Output is correct |
| 8 |
Correct |
18 ms |
3228 KB |
Output is correct |
| 9 |
Correct |
13 ms |
3228 KB |
Output is correct |
| 10 |
Correct |
18 ms |
3264 KB |
Output is correct |
| 11 |
Correct |
18 ms |
3296 KB |
Output is correct |
| 12 |
Correct |
18 ms |
3328 KB |
Output is correct |
| 13 |
Correct |
19 ms |
3480 KB |
Output is correct |
| 14 |
Correct |
18 ms |
3480 KB |
Output is correct |
| 15 |
Correct |
20 ms |
3480 KB |
Output is correct |
| 16 |
Correct |
183 ms |
11084 KB |
Output is correct |
| 17 |
Correct |
173 ms |
12020 KB |
Output is correct |
| 18 |
Correct |
179 ms |
13096 KB |
Output is correct |
| 19 |
Correct |
186 ms |
14044 KB |
Output is correct |
| 20 |
Correct |
198 ms |
14896 KB |
Output is correct |
| 21 |
Correct |
192 ms |
16048 KB |
Output is correct |
| 22 |
Correct |
189 ms |
16988 KB |
Output is correct |
| 23 |
Correct |
205 ms |
17912 KB |
Output is correct |
| 24 |
Correct |
205 ms |
19020 KB |
Output is correct |
