# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
22143 |
2017-04-29T12:06:06 Z |
xhae? xhae!(#1007, xhae) |
None (KRIII5P_3) |
Python 3 |
|
1000 ms |
32 KB |
# date: 2017-04-29
# contest: 5th kriiicon
# problem: I
# author: xhae
import itertools
import heapq
MOD = 1000000007
pows = [1] * 1000001
for i in range(1, 100001):
pows[i] = pows[i - 1] * 2 % MOD
n = int(input())
_data = sorted([tuple(map(int, input().split())) for i in range(n)])
data = []
for cpair in _data:
if cpair[0] >= cpair[1]:
continue
data += [cpair]
coords = []
for coord in data:
coords += [coord[0]]
coords += [coord[1]]
coords = [k for k, g in itertools.groupby(sorted(coords))]
# sub problem 1
endQueue = []
di = 0
totLen = 0
for i in range(len(coords) - 1):
while di < len(data):
if data[di][0] <= coords[i]:
heapq.heappush(endQueue, data[di][1])
di += 1
else:
break
while len(endQueue) > 0 and endQueue[0] <= coords[i]:
heapq.heappop(endQueue)
curLen = coords[i + 1] - coords[i]
totLen = (totLen + curLen * (pows[len(endQueue)] - 1)) % MOD
# sub problem 2
nCases = 0
endQueue = []
for coord in data:
while len(endQueue) > 0 and endQueue[0] <= coord[0]:
heapq.heappop(endQueue)
nCases = (nCases + pows[len(endQueue)]) % MOD
heapq.heappush(endQueue, coord[1])
print(totLen, nCases)
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
90 ms |
14 KB |
Output is correct |
2 |
Correct |
92 ms |
14 KB |
Output is correct |
3 |
Correct |
95 ms |
14 KB |
Output is correct |
4 |
Correct |
95 ms |
14 KB |
Output is correct |
5 |
Correct |
88 ms |
14 KB |
Output is correct |
6 |
Correct |
174 ms |
16 KB |
Output is correct |
7 |
Correct |
175 ms |
16 KB |
Output is correct |
8 |
Correct |
173 ms |
16 KB |
Output is correct |
9 |
Correct |
175 ms |
16 KB |
Output is correct |
10 |
Correct |
173 ms |
16 KB |
Output is correct |
11 |
Execution timed out |
1071 ms |
32 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |