Task: | Wario kart II |
Sender: | aalto2024c_004 |
Submission time: | 2024-09-18 16:55:23 +0300 |
Language: | C++ (C++11) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | ACCEPTED | 0.00 s | details |
#6 | ACCEPTED | 0.00 s | details |
#7 | ACCEPTED | 0.00 s | details |
#8 | ACCEPTED | 0.00 s | details |
#9 | ACCEPTED | 0.00 s | details |
#10 | ACCEPTED | 0.00 s | details |
#11 | ACCEPTED | 0.00 s | details |
#12 | ACCEPTED | 0.00 s | details |
#13 | ACCEPTED | 0.00 s | details |
#14 | ACCEPTED | 0.00 s | details |
#15 | ACCEPTED | 0.00 s | details |
#16 | ACCEPTED | 0.00 s | details |
#17 | ACCEPTED | 0.00 s | details |
#18 | ACCEPTED | 0.00 s | details |
#19 | ACCEPTED | 0.00 s | details |
#20 | ACCEPTED | 0.00 s | details |
#21 | ACCEPTED | 0.00 s | details |
#22 | ACCEPTED | 0.00 s | details |
#23 | ACCEPTED | 0.00 s | details |
#24 | ACCEPTED | 0.00 s | details |
#25 | ACCEPTED | 0.00 s | details |
#26 | ACCEPTED | 0.00 s | details |
#27 | ACCEPTED | 0.00 s | details |
#28 | ACCEPTED | 0.00 s | details |
#29 | ACCEPTED | 0.00 s | details |
#30 | ACCEPTED | 0.00 s | details |
#31 | ACCEPTED | 0.00 s | details |
#32 | ACCEPTED | 0.00 s | details |
#33 | ACCEPTED | 0.00 s | details |
#34 | ACCEPTED | 0.00 s | details |
#35 | ACCEPTED | 0.00 s | details |
#36 | ACCEPTED | 0.00 s | details |
#37 | ACCEPTED | 0.00 s | details |
#38 | ACCEPTED | 0.00 s | details |
#39 | ACCEPTED | 0.00 s | details |
#40 | ACCEPTED | 0.00 s | details |
#41 | ACCEPTED | 0.00 s | details |
#42 | ACCEPTED | 0.00 s | details |
#43 | ACCEPTED | 0.00 s | details |
#44 | ACCEPTED | 0.00 s | details |
#45 | ACCEPTED | 0.00 s | details |
#46 | ACCEPTED | 0.00 s | details |
#47 | ACCEPTED | 0.00 s | details |
#48 | ACCEPTED | 0.00 s | details |
#49 | ACCEPTED | 0.01 s | details |
#50 | ACCEPTED | 0.04 s | details |
#51 | ACCEPTED | 0.04 s | details |
#52 | ACCEPTED | 0.04 s | details |
#53 | ACCEPTED | 0.04 s | details |
#54 | ACCEPTED | 0.04 s | details |
#55 | ACCEPTED | 0.03 s | details |
#56 | ACCEPTED | 0.04 s | details |
#57 | ACCEPTED | 0.03 s | details |
#58 | ACCEPTED | 0.04 s | details |
#59 | ACCEPTED | 0.03 s | details |
Code
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 1e5+1; int n, k, K[N]; double R[N]; int main() { cin >> n >> k; for (int i = 0; i < n; ++i) { cin >> K[i]; K[i] = max(K[i],1); } R[n] = 0; for (int i = n-1; i >= 0; --i) { double b; if (i + K[i] >= n) { b = double(n - i) / K[i]; } else if (i + K[i] + k >= n) { b = 1 + (n - i + K[k]); } else { b = k + 1 + R[i + K[i] + k]; } R[i] = min(R[i+1] + 1, b); } printf("%.10f\n", R[0]); }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
1 5 3 |
correct output |
---|
0.33333333333333333334 |
user output |
---|
0.3333333333 |
Test 2
Verdict: ACCEPTED
input |
---|
2 5 3 4 |
correct output |
---|
0.66666666666666666668 |
user output |
---|
0.6666666667 |
Test 3
Verdict: ACCEPTED
input |
---|
2 5 2 2 |
correct output |
---|
1.00000000000000000000 |
user output |
---|
1.0000000000 |
Test 4
Verdict: ACCEPTED
input |
---|
3 5 2 2 2 |
correct output |
---|
2.00000000000000000000 |
user output |
---|
2.0000000000 |
Test 5
Verdict: ACCEPTED
input |
---|
3 5 3 4 3 |
correct output |
---|
1.00000000000000000000 |
user output |
---|
1.0000000000 |
Test 6
Verdict: ACCEPTED
input |
---|
3 5 2 2 2 |
correct output |
---|
2.00000000000000000000 |
user output |
---|
2.0000000000 |
Test 7
Verdict: ACCEPTED
input |
---|
4 5 3 4 3 4 |
correct output |
---|
1.75000000000000000000 |
user output |
---|
1.7500000000 |
Test 8
Verdict: ACCEPTED
input |
---|
4 5 2 2 2 4 |
correct output |
---|
3.00000000000000000000 |
user output |
---|
3.0000000000 |
Test 9
Verdict: ACCEPTED
input |
---|
4 3 2 2 2 2 |
correct output |
---|
3.00000000000000000000 |
user output |
---|
3.0000000000 |
Test 10
Verdict: ACCEPTED
input |
---|
5 5 3 4 3 4 3 |
correct output |
---|
2.00000000000000000000 |
user output |
---|
2.0000000000 |
Test 11
Verdict: ACCEPTED
input |
---|
5 5 2 2 2 4 2 |
correct output |
---|
3.50000000000000000000 |
user output |
---|
3.5000000000 |
Test 12
Verdict: ACCEPTED
input |
---|
5 5 2 2 2 2 2 |
correct output |
---|
4.00000000000000000000 |
user output |
---|
4.0000000000 |
Test 13
Verdict: ACCEPTED
input |
---|
5 5 2 2 3 3 4 |
correct output |
---|
3.00000000000000000000 |
user output |
---|
3.0000000000 |
Test 14
Verdict: ACCEPTED
input |
---|
5 1 4 4 4 3 4 |
correct output |
---|
2.00000000000000000000 |
user output |
---|
2.0000000000 |
Test 15
Verdict: ACCEPTED
input |
---|
5 4 2 3 5 5 3 |
correct output |
---|
2.59999999999999999991 |
user output |
---|
2.6000000000 |
Test 16
Verdict: ACCEPTED
input |
---|
5 1 3 2 2 2 2 |
correct output |
---|
2.50000000000000000000 |
user output |
---|
2.5000000000 |
Test 17
Verdict: ACCEPTED
input |
---|
5 1 3 5 4 3 5 |
correct output |
---|
1.79999999999999999996 |
user output |
---|
1.8000000000 |
Test 18
Verdict: ACCEPTED
input |
---|
5 1 5 3 4 5 2 |
correct output |
---|
1.00000000000000000000 |
user output |
---|
1.0000000000 |
Test 19
Verdict: ACCEPTED
input |
---|
5 2 3 2 2 2 2 |
correct output |
---|
3.00000000000000000000 |
user output |
---|
4.0000000000 |
Test 20
Verdict: ACCEPTED
input |
---|
10 5 3 4 3 4 3 3 3 3 3 2 |
correct output |
---|
6.66666666666666666652 |
user output |
---|
6.6666666667 |
Test 21
Verdict: ACCEPTED
input |
---|
10 5 2 2 2 4 2 2 2 3 2 3 |
correct output |
---|
7.00000000000000000000 |
user output |
---|
7.0000000000 |
Test 22
Verdict: ACCEPTED
input |
---|
10 5 2 2 2 2 2 2 2 2 2 2 |
correct output |
---|
8.00000000000000000000 |
user output |
---|
8.0000000000 |
Test 23
Verdict: ACCEPTED
input |
---|
10 5 2 2 3 3 4 3 4 2 2 2 |
correct output |
---|
7.00000000000000000000 |
user output |
---|
7.0000000000 |
Test 24
Verdict: ACCEPTED
input |
---|
10 1 4 4 4 3 4 3 2 2 4 2 |
correct output |
---|
4.50000000000000000000 |
user output |
---|
4.5000000000 |
Test 25
Verdict: ACCEPTED
input |
---|
10 4 2 3 5 5 3 2 4 3 5 3 |
correct output |
---|
6.00000000000000000000 |
user output |
---|
6.0000000000 |
Test 26
Verdict: ACCEPTED
input |
---|
10 1 3 2 2 2 2 3 3 2 3 3 |
correct output |
---|
5.33333333333333333348 |
user output |
---|
5.3333333333 |
Test 27
Verdict: ACCEPTED
input |
---|
10 1 3 5 4 3 5 3 4 3 4 2 |
correct output |
---|
4.00000000000000000000 |
user output |
---|
4.0000000000 |
Test 28
Verdict: ACCEPTED
input |
---|
10 1 5 3 4 5 2 3 2 4 3 5 |
correct output |
---|
3.75000000000000000000 |
user output |
---|
3.7500000000 |
Test 29
Verdict: ACCEPTED
input |
---|
10 2 3 2 2 2 2 2 2 4 3 2 |
correct output |
---|
5.75000000000000000000 |
user output |
---|
5.7500000000 |
Test 30
Verdict: ACCEPTED
input |
---|
100 72 51 37 52 34 51 26 38 40 24 27 ... |
correct output |
---|
42.00000000000000000000 |
user output |
---|
51.8596491228 |
Test 31
Verdict: ACCEPTED
input |
---|
100 72 94 2 14 31 100 16 25 11 41 20 ... |
correct output |
---|
4.96000000000000000003 |
user output |
---|
4.9600000000 |
Test 32
Verdict: ACCEPTED
input |
---|
100 2 19 12 20 10 11 9 8 8 4 5 15 13... |
correct output |
---|
18.70588235294117647120 |
user output |
---|
18.7058823529 |
Test 33
Verdict: ACCEPTED
input |
---|
100 71 8 4 2 6 6 9 5 9 2 3 2 3 3 2 2 ... |
correct output |
---|
85.00000000000000000000 |
user output |
---|
85.0000000000 |
Test 34
Verdict: ACCEPTED
input |
---|
100 55 17 89 79 66 56 64 55 21 14 89 ... |
correct output |
---|
12.00000000000000000000 |
user output |
---|
22.0000000000 |
Test 35
Verdict: ACCEPTED
input |
---|
100 87 6 3 4 7 7 4 2 5 4 6 4 5 4 3 7 ... |
correct output |
---|
90.00000000000000000000 |
user output |
---|
91.0000000000 |
Test 36
Verdict: ACCEPTED
input |
---|
100 33 21 79 8 5 36 12 94 57 11 51 59... |
correct output |
---|
7.00000000000000000000 |
user output |
---|
7.0000000000 |
Test 37
Verdict: ACCEPTED
input |
---|
100 78 9 12 24 18 12 24 9 14 8 13 3 3... |
correct output |
---|
77.00000000000000000000 |
user output |
---|
79.7222222222 |
Test 38
Verdict: ACCEPTED
input |
---|
100 97 2 3 2 3 3 2 2 2 3 2 3 2 2 3 3 ... |
correct output |
---|
98.00000000000000000000 |
user output |
---|
98.3333333333 |
Test 39
Verdict: ACCEPTED
input |
---|
100 50 20 20 2 6 13 7 2 10 34 17 7 11... |
correct output |
---|
52.96666666666666666713 |
user output |
---|
52.9666666667 |
Test 40
Verdict: ACCEPTED
input |
---|
200 72 51 37 52 34 51 26 38 40 24 27 ... |
correct output |
---|
89.00000000000000000000 |
user output |
---|
89.0000000000 |
Test 41
Verdict: ACCEPTED
input |
---|
200 72 94 2 14 31 100 16 25 11 41 20 ... |
correct output |
---|
73.91891891891891892136 |
user output |
---|
73.9189189189 |
Test 42
Verdict: ACCEPTED
input |
---|
200 2 19 12 20 10 11 9 8 8 4 5 15 13... |
correct output |
---|
36.90000000000000000139 |
user output |
---|
36.9000000000 |
Test 43
Verdict: ACCEPTED
input |
---|
200 71 8 4 2 6 6 9 5 9 2 3 2 3 3 2 2 ... |
correct output |
---|
177.00000000000000000000 |
user output |
---|
177.8888888889 |
Test 44
Verdict: ACCEPTED
input |
---|
200 55 17 89 79 66 56 64 55 21 14 89 ... |
correct output |
---|
58.62790697674418604821 |
user output |
---|
58.6279069767 |
Test 45
Verdict: ACCEPTED
input |
---|
200 87 6 3 4 7 7 4 2 5 4 6 4 5 4 3 7 ... |
correct output |
---|
184.00000000000000000000 |
user output |
---|
185.4285714286 |
Test 46
Verdict: ACCEPTED
input |
---|
200 33 21 79 8 5 36 12 94 57 11 51 59... |
correct output |
---|
39.97647058823529411797 |
user output |
---|
39.9764705882 |
Test 47
Verdict: ACCEPTED
input |
---|
1000 78 9 12 24 18 12 24 9 14 8 13 3 3... |
correct output |
---|
778.00000000000000000000 |
user output |
---|
780.0000000000 |
Test 48
Verdict: ACCEPTED
input |
---|
1000 97 2 3 2 3 3 2 2 2 3 2 3 2 2 3 3 ... |
correct output |
---|
980.00000000000000000000 |
user output |
---|
981.0000000000 |
Test 49
Verdict: ACCEPTED
input |
---|
10000 50 20 20 2 6 13 7 2 10 34 17 7 11... |
correct output |
---|
6049.00000000000000000000 |
user output |
---|
6049.9729729730 |
Test 50
Verdict: ACCEPTED
input |
---|
100000 59 39252 46336 33082 47087 29905 ... |
correct output |
---|
64.97006295772838237179 |
user output |
---|
64.9700629577 |
Test 51
Verdict: ACCEPTED
input |
---|
100000 100 30041 38891 6 5345 12609 41664... |
correct output |
---|
203.77740406665647454609 |
user output |
---|
203.7774040667 |
Test 52
Verdict: ACCEPTED
input |
---|
100000 18 1132 40617 23967 41323 18982 2... |
correct output |
---|
40.94677609727978918885 |
user output |
---|
40.9467760973 |
Test 53
Verdict: ACCEPTED
input |
---|
100000 7 39007 46266 16025 6684 28138 3... |
correct output |
---|
14.93255621844882973827 |
user output |
---|
14.9325562184 |
Test 54
Verdict: ACCEPTED
input |
---|
100000 90 52921 16702 94063 82743 69126 ... |
correct output |
---|
91.66979787325027796002 |
user output |
---|
91.6697978733 |
Test 55
Verdict: ACCEPTED
input |
---|
100000 5 19332 18457 4591 8077 20395 21... |
correct output |
---|
35.88927530302255408320 |
user output |
---|
35.8892753030 |
Test 56
Verdict: ACCEPTED
input |
---|
100000 95 29643 18699 73326 5739 3724 33... |
correct output |
---|
96.91999685748703713406 |
user output |
---|
96.9199968575 |
Test 57
Verdict: ACCEPTED
input |
---|
100000 22 5953 2436 3347 7466 5522 3478 ... |
correct output |
---|
330.93907248742010063225 |
user output |
---|
330.9390724874 |
Test 58
Verdict: ACCEPTED
input |
---|
100000 1 84598 20915 75920 32975 46369 ... |
correct output |
---|
2.81955087271179225200 |
user output |
---|
2.8195508727 |
Test 59
Verdict: ACCEPTED
input |
---|
100000 36 522 520 516 9 140 330 149 15 2... |
correct output |
---|
3870.97771317829457360382 |
user output |
---|
3870.9777131783 |