input = __import__('sys').stdin.readline
MIS = lambda: map(int,input().split())
INF = 10**18
n, m = MIS()
plat = [tuple(MIS()) for i in range(n)]
# TODO: compress column numbers
# dpl[i] = "min cost where ball starting from #1 falls to i-th platform"
# TODO: change to RMQ
dpl = []
for i in range(n):
l, r, c, cost = plat[i]
if l == 1:
dpl.append(cost)
continue
dpl.append(cost + min((dpl[j] for j in range(i) if l<=plat[j][2]<=r), default = INF))
# dpu[i] = "min cost where ball starting from #m falls to i-th platform"
dpr = []
for i in range(n):
l, r, c, cost = plat[i]
if r == m:
dpr.append(cost)
continue
dpr.append(cost + min((dpr[j] for j in range(i) if l<=plat[j][2]<=r), default = INF))
ans = min(dpl[i]+dpr[i]-plat[i][3] for i in range(n))
print(ans if ans < INF else -1)
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
3328 KB |
Output is correct |
2 |
Correct |
24 ms |
3436 KB |
Output is correct |
3 |
Correct |
22 ms |
3436 KB |
Output is correct |
4 |
Correct |
21 ms |
3328 KB |
Output is correct |
5 |
Correct |
23 ms |
3428 KB |
Output is correct |
6 |
Correct |
25 ms |
3332 KB |
Output is correct |
7 |
Correct |
22 ms |
3436 KB |
Output is correct |
8 |
Correct |
22 ms |
3356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
3328 KB |
Output is correct |
2 |
Correct |
24 ms |
3436 KB |
Output is correct |
3 |
Correct |
22 ms |
3436 KB |
Output is correct |
4 |
Correct |
21 ms |
3328 KB |
Output is correct |
5 |
Correct |
23 ms |
3428 KB |
Output is correct |
6 |
Correct |
25 ms |
3332 KB |
Output is correct |
7 |
Correct |
22 ms |
3436 KB |
Output is correct |
8 |
Correct |
22 ms |
3356 KB |
Output is correct |
9 |
Correct |
31 ms |
3336 KB |
Output is correct |
10 |
Correct |
30 ms |
3352 KB |
Output is correct |
11 |
Correct |
31 ms |
3340 KB |
Output is correct |
12 |
Correct |
30 ms |
3340 KB |
Output is correct |
13 |
Correct |
29 ms |
3336 KB |
Output is correct |
14 |
Correct |
28 ms |
3340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
3328 KB |
Output is correct |
2 |
Correct |
24 ms |
3436 KB |
Output is correct |
3 |
Correct |
22 ms |
3436 KB |
Output is correct |
4 |
Correct |
21 ms |
3328 KB |
Output is correct |
5 |
Correct |
23 ms |
3428 KB |
Output is correct |
6 |
Correct |
25 ms |
3332 KB |
Output is correct |
7 |
Correct |
22 ms |
3436 KB |
Output is correct |
8 |
Correct |
22 ms |
3356 KB |
Output is correct |
9 |
Correct |
31 ms |
3336 KB |
Output is correct |
10 |
Correct |
30 ms |
3352 KB |
Output is correct |
11 |
Correct |
31 ms |
3340 KB |
Output is correct |
12 |
Correct |
30 ms |
3340 KB |
Output is correct |
13 |
Correct |
29 ms |
3336 KB |
Output is correct |
14 |
Correct |
28 ms |
3340 KB |
Output is correct |
15 |
Correct |
23 ms |
3344 KB |
Output is correct |
16 |
Correct |
39 ms |
3452 KB |
Output is correct |
17 |
Correct |
208 ms |
3760 KB |
Output is correct |
18 |
Correct |
199 ms |
3644 KB |
Output is correct |
19 |
Correct |
216 ms |
3672 KB |
Output is correct |
20 |
Correct |
207 ms |
3736 KB |
Output is correct |
21 |
Correct |
57 ms |
3480 KB |
Output is correct |
22 |
Correct |
163 ms |
3912 KB |
Output is correct |
23 |
Correct |
171 ms |
3696 KB |
Output is correct |
24 |
Correct |
166 ms |
3716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
3328 KB |
Output is correct |
2 |
Correct |
24 ms |
3436 KB |
Output is correct |
3 |
Correct |
22 ms |
3436 KB |
Output is correct |
4 |
Correct |
21 ms |
3328 KB |
Output is correct |
5 |
Correct |
23 ms |
3428 KB |
Output is correct |
6 |
Correct |
25 ms |
3332 KB |
Output is correct |
7 |
Correct |
22 ms |
3436 KB |
Output is correct |
8 |
Correct |
22 ms |
3356 KB |
Output is correct |
9 |
Correct |
31 ms |
3336 KB |
Output is correct |
10 |
Correct |
30 ms |
3352 KB |
Output is correct |
11 |
Correct |
31 ms |
3340 KB |
Output is correct |
12 |
Correct |
30 ms |
3340 KB |
Output is correct |
13 |
Correct |
29 ms |
3336 KB |
Output is correct |
14 |
Correct |
28 ms |
3340 KB |
Output is correct |
15 |
Correct |
23 ms |
3344 KB |
Output is correct |
16 |
Correct |
39 ms |
3452 KB |
Output is correct |
17 |
Correct |
208 ms |
3760 KB |
Output is correct |
18 |
Correct |
199 ms |
3644 KB |
Output is correct |
19 |
Correct |
216 ms |
3672 KB |
Output is correct |
20 |
Correct |
207 ms |
3736 KB |
Output is correct |
21 |
Correct |
57 ms |
3480 KB |
Output is correct |
22 |
Correct |
163 ms |
3912 KB |
Output is correct |
23 |
Correct |
171 ms |
3696 KB |
Output is correct |
24 |
Correct |
166 ms |
3716 KB |
Output is correct |
25 |
Execution timed out |
1058 ms |
6084 KB |
Time limit exceeded |
26 |
Halted |
0 ms |
0 KB |
- |