Task: | Käännöt |
Sender: | Niilo |
Submission time: | 2023-10-31 14:11:33 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 13 |
#2 | ACCEPTED | 19 |
#3 | ACCEPTED | 33 |
#4 | ACCEPTED | 35 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.00 s | 1 | details |
#2 | ACCEPTED | 0.00 s | 1 | details |
#3 | ACCEPTED | 0.00 s | 1 | details |
#4 | ACCEPTED | 0.00 s | 1 | details |
#5 | ACCEPTED | 0.00 s | 1 | details |
#6 | ACCEPTED | 0.00 s | 2 | details |
#7 | ACCEPTED | 0.00 s | 2 | details |
#8 | ACCEPTED | 0.00 s | 2 | details |
#9 | ACCEPTED | 0.00 s | 2 | details |
#10 | ACCEPTED | 0.00 s | 2 | details |
#11 | ACCEPTED | 0.01 s | 2 | details |
#12 | ACCEPTED | 0.01 s | 2 | details |
#13 | ACCEPTED | 0.01 s | 2 | details |
#14 | ACCEPTED | 0.01 s | 2 | details |
#15 | ACCEPTED | 0.00 s | 2 | details |
#16 | ACCEPTED | 0.01 s | 2 | details |
#17 | ACCEPTED | 0.00 s | 3 | details |
#18 | ACCEPTED | 0.00 s | 3 | details |
#19 | ACCEPTED | 0.01 s | 3 | details |
#20 | ACCEPTED | 0.01 s | 3 | details |
#21 | ACCEPTED | 0.01 s | 3 | details |
#22 | ACCEPTED | 0.01 s | 3 | details |
#23 | ACCEPTED | 0.01 s | 3 | details |
#24 | ACCEPTED | 0.00 s | 3 | details |
#25 | ACCEPTED | 0.01 s | 3 | details |
#26 | ACCEPTED | 0.00 s | 4 | details |
#27 | ACCEPTED | 0.00 s | 4 | details |
#28 | ACCEPTED | 0.01 s | 4 | details |
#29 | ACCEPTED | 0.01 s | 4 | details |
#30 | ACCEPTED | 0.01 s | 4 | details |
#31 | ACCEPTED | 0.01 s | 4 | details |
#32 | ACCEPTED | 0.00 s | 4 | details |
#33 | ACCEPTED | 0.01 s | 4 | details |
#34 | ACCEPTED | 0.01 s | 4 | details |
Code
#include <bits/stdc++.h>using namespace std;typedef long long ll;int n;int ar[500];vector<int> swaps;unordered_set<int> s;bool f2() {for (int i=0; i < n-1; i++) {for (int j=0; j < n-1; j++) {if (ar[j] > ar[j+1]) {swap(ar[j], ar[j+1]);swaps.push_back(j);}}}return true;}bool f3() {for (int i=0; i < n; i++) {if (i % 2 == ar[i] % 2) return false;}for (int i=0; i < n-2; i += 2) {for (int j=0; j < n-2; j += 2) {if (ar[j] > ar[j+2]) {swap(ar[j], ar[j+2]);swaps.push_back(j);}}for (int j=1; j < n-2; j += 2) {if (ar[j] > ar[j+2]) {swap(ar[j], ar[j+2]);swaps.push_back(j);}}}return true;}bool sort4(const int n0) {bool isSorted = true;int num = 0;for (int i=0; i < n; i++) {num |= ar[i] << i*4;if (ar[i] != i+1) isSorted = false;}if (isSorted) return true;if (s.count(num)) return false;s.insert(num);for (int i=0; i < n-3; i++) {if (i != n0) {swap(ar[i], ar[i+3]);swap(ar[i+1], ar[i+2]);swaps.push_back(i);if (sort4(i)) return true;swap(ar[i], ar[i+3]);swap(ar[i+1], ar[i+2]);swaps.pop_back();}}return false;}bool f4() {for (int i=n-1; i >= 6; i--) {int j=i;for (; j >= 0; j--) {if (ar[j] == i+1) break;}while (j+3 <= i) {swap(ar[j], ar[j+3]);swap(ar[j+1], ar[j+2]);swaps.push_back(j);j += 3;}if (j == i) {continue;} else if (j+1 == i) {swap(ar[i-4], ar[i-2]);swap(ar[i-1], ar[i]);swaps.push_back(i-3);swaps.push_back(i-4);swaps.push_back(i-3);} else if (j+2 == i) {swap(ar[i-4], ar[i-1]);swap(ar[i-3], ar[i-2]);swap(ar[i-3], ar[i]);swap(ar[i-2], ar[i-1]);swaps.push_back(i-4);swaps.push_back(i-3);}}n = min(n, 6);return sort4(-1);}bool sort5(const int n0) {bool isSorted = true;int num = 0;for (int i=0; i < n; i++) {num |= ar[i] << i*4;if (ar[i] != i+1) isSorted = false;}if (isSorted) return true;if (s.count(num)) return false;s.insert(num);for (int i=0; i < n-4; i++) {if (i != n0) {swap(ar[i], ar[i+4]);swap(ar[i+1], ar[i+3]);swaps.push_back(i);if (sort5(i)) return true;swap(ar[i], ar[i+4]);swap(ar[i+1], ar[i+3]);swaps.pop_back();}}return false;}bool f5() {for (int i=0; i < n; i++) {if (i % 2 == ar[i] % 2) return false;}for (int i=n-1; i >= 8; i--) {int j=i;for (; j >= 0; j -= 2) {if (ar[j] == i+1) break;}while (j+4 <= i) {swap(ar[j], ar[j+4]);swap(ar[j+1], ar[j+3]);swaps.push_back(j);j += 4;}if (j == i) {continue;} else if (j+2 == i) {swap(ar[i-5], ar[i-1]);swap(ar[i-4], ar[i-2]);swap(ar[i-4], ar[i]);swap(ar[i-3], ar[i-1]);swaps.push_back(i-5);swaps.push_back(i-4);}}n = min(n, 8);return sort5(-1);}int main() {int k;cin >> n >> k;for (int i=0; i < n; i++) cin >> ar[i];bool yes = false;if (k == 2) yes = f2();else if (k == 3) yes = f3();else if (k == 4) yes = f4();else if (k == 5) yes = f5();if (yes) {cout << "YES\n" << swaps.size() << '\n';for (int i : swaps) cout << i+1 << ' ';cout << '\n';} else {cout << "NO\n";}}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
5 2 1 2 3 4 5 |
correct output |
---|
YES 0 |
user output |
---|
YES 0 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
5 2 2 1 3 4 5 |
correct output |
---|
YES 1 1 |
user output |
---|
YES 1 1 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
20 2 6 20 18 2 16 13 19 17 8 14 11 ... |
correct output |
---|
YES 366 2 3 4 5 6 7 8 9 10 11 12 13 14... |
user output |
---|
YES 132 2 3 4 5 6 7 8 9 10 11 12 13 14... Truncated |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
100 2 100 92 62 88 12 7 43 31 19 72 ... |
correct output |
---|
YES 2876 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
user output |
---|
YES 2438 1 2 3 4 5 6 7 8 9 10 11 12 13 ... Truncated |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
100 2 100 99 98 97 96 95 94 93 92 91... |
correct output |
---|
YES 5248 1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
user output |
---|
YES 4950 1 2 3 4 5 6 7 8 9 10 11 12 13 ... Truncated |
Test 6
Group: 2
Verdict: ACCEPTED
input |
---|
5 3 1 2 3 4 5 |
correct output |
---|
YES 0 |
user output |
---|
YES 0 |
Test 7
Group: 2
Verdict: ACCEPTED
input |
---|
5 3 3 5 4 1 2 |
correct output |
---|
NO |
user output |
---|
NO |
Test 8
Group: 2
Verdict: ACCEPTED
input |
---|
5 3 5 2 1 4 3 |
correct output |
---|
YES 8 1 2 1 3 1 2 3 1 |
user output |
---|
YES 2 1 3 |
Test 9
Group: 2
Verdict: ACCEPTED
input |
---|
20 3 19 14 1 18 3 4 11 20 13 6 17 8... |
correct output |
---|
YES 52 8 10 12 14 16 18 1 3 5 7 9 11 ... |
user output |
---|
YES 42 1 3 5 7 9 11 13 15 17 4 8 10 1... Truncated |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
20 3 9 6 13 18 5 10 3 2 7 20 1 4 19... |
correct output |
---|
YES 50 10 12 14 16 18 13 15 17 4 6 8 ... |
user output |
---|
YES 34 3 5 7 9 13 15 17 4 6 10 12 14 ... |
Test 11
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 53 52 21 76 25 142 5 4 83 176 ... |
correct output |
---|
YES 15194 334 336 338 340 342 344 346 34... |
user output |
---|
YES 15174 1 3 5 11 13 15 17 19 25 27 29 ... Truncated |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 51 44 147 172 1 28 27 82 233 1... |
correct output |
---|
YES 15565 366 368 370 372 374 376 378 38... |
user output |
---|
YES 15543 3 5 11 13 15 17 19 21 23 27 29... Truncated |
Test 13
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 75 46 179 62 221 14 67 154 89 ... |
correct output |
---|
YES 15920 454 456 458 460 462 464 466 46... |
user output |
---|
YES 15902 5 7 9 11 13 15 19 21 23 25 27 ... Truncated |
Test 14
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 161 54 285 12 71 142 111 94 97... |
correct output |
---|
YES 15931 408 410 412 414 416 418 420 42... |
user output |
---|
YES 15907 3 5 7 9 11 13 15 17 19 21 23 2... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 122 260 455 113 315 276 433 43... |
correct output |
---|
NO |
user output |
---|
NO |
Test 16
Group: 2
Verdict: ACCEPTED
input |
---|
500 3 499 500 497 498 495 496 493 49... |
correct output |
---|
YES 62264 2 4 6 8 10 12 14 16 18 20 22 2... |
user output |
---|
YES 62250 1 3 5 7 9 11 13 15 17 19 21 23... Truncated |
Test 17
Group: 3
Verdict: ACCEPTED
input |
---|
5 4 1 2 3 4 5 |
correct output |
---|
YES 0 |
user output |
---|
YES 0 |
Test 18
Group: 3
Verdict: ACCEPTED
input |
---|
5 4 5 1 2 3 4 |
correct output |
---|
YES 4 1 2 1 2 |
user output |
---|
YES 4 1 2 1 2 |
Test 19
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 58 14 107 124 4 113 24 290 56 ... |
correct output |
---|
YES 15698 389 392 395 398 401 404 407 41... |
user output |
---|
YES 15031 389 392 395 398 401 404 407 41... Truncated |
Test 20
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 113 187 278 242 23 67 48 298 3... |
correct output |
---|
YES 15004 480 481 480 482 485 488 491 49... |
user output |
---|
YES 14245 484 487 490 493 496 497 496 49... Truncated |
Test 21
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 5 233 199 35 213 354 11 134 30... |
correct output |
---|
YES 16770 458 461 464 467 470 473 476 47... |
user output |
---|
YES 15894 458 461 464 467 470 473 476 47... Truncated |
Test 22
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 169 47 21 137 57 138 360 147 4... |
correct output |
---|
YES 15889 497 371 372 371 373 376 379 38... |
user output |
---|
YES 14999 497 375 378 381 384 387 390 39... Truncated |
Test 23
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 493 409 291 313 156 443 496 40... |
correct output |
---|
YES 22886 480 481 480 482 485 488 491 49... |
user output |
---|
YES 22147 484 487 490 493 496 497 496 49... Truncated |
Test 24
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 137 99 100 226 326 298 140 340... |
correct output |
---|
NO |
user output |
---|
NO |
Test 25
Group: 3
Verdict: ACCEPTED
input |
---|
500 4 500 499 498 497 496 495 494 49... |
correct output |
---|
YES 41458 1 2 1 2 5 8 11 14 17 20 23 26 ... |
user output |
---|
YES 42171 1 4 7 10 13 16 19 22 25 28 31 ... Truncated |
Test 26
Group: 4
Verdict: ACCEPTED
input |
---|
5 5 1 2 3 4 5 |
correct output |
---|
YES 0 |
user output |
---|
YES 0 |
Test 27
Group: 4
Verdict: ACCEPTED
input |
---|
5 5 5 4 3 2 1 |
correct output |
---|
YES 1 1 |
user output |
---|
YES 1 1 |
Test 28
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 145 26 285 154 147 314 141 40 ... |
correct output |
---|
YES 13786 216 220 224 228 232 236 240 24... |
user output |
---|
YES 13498 216 220 224 228 232 236 240 24... Truncated |
Test 29
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 137 22 399 292 249 6 51 224 42... |
correct output |
---|
YES 13465 456 460 464 468 472 476 480 48... |
user output |
---|
YES 13215 456 460 464 468 472 476 480 48... Truncated |
Test 30
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 153 52 85 100 329 60 433 468 4... |
correct output |
---|
YES 13642 377 378 377 380 384 388 392 39... |
user output |
---|
YES 13336 382 386 390 394 398 402 406 41... Truncated |
Test 31
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 267 326 95 108 189 32 291 366 ... |
correct output |
---|
YES 14639 213 214 213 216 220 224 228 23... |
user output |
---|
YES 14375 218 222 226 230 234 238 242 24... Truncated |
Test 32
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 15 450 272 80 321 101 247 438 ... |
correct output |
---|
NO |
user output |
---|
NO |
Test 33
Group: 4
Verdict: ACCEPTED
input |
---|
499 5 497 498 499 496 495 494 493 49... |
correct output |
---|
YES 30886 3 7 11 15 19 23 27 31 35 39 43... |
user output |
---|
YES 30912 3 7 11 15 19 23 27 31 35 39 43... Truncated |
Test 34
Group: 4
Verdict: ACCEPTED
input |
---|
500 5 499 500 497 498 495 496 493 49... |
correct output |
---|
YES 30919 1 4 8 12 16 20 24 28 32 36 40 ... |
user output |
---|
YES 31697 2 6 10 14 18 22 26 30 34 38 42... Truncated |