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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#691402 | #6343. Bitaro's travel | L_Hospital_# | 0 | 81ms | 60804kb | C++14 | 2.1kb | 2024-10-31 11:20:23 | 2024-10-31 11:20:25 |
Judging History
answer
#include<bits/stdc++.h>
# define int long long
# define rep(i, j, k) for (int i = j; i <= k; ++i)
using namespace std;
int n, q, x[200005], lg2[200005], sta[20][200005], stb[20][200005];
void buildst()
{
rep(i, 1, n) sta[0][i] = 2 * x[i] - x[i - 1], stb[0][i] = 2 * x[i] - x[i + 1];
rep(p, 1, 18) rep(i, 1, n - (1 << p) + 1) sta[p][i] = max(sta[p - 1][i], sta[p - 1][i + (1 << (p - 1))]), stb[p][i] = min(stb[p - 1][i], stb[p - 1][i + (1 << (p - 1))]);
}
signed main()
{
// freopen("ex.in", "r", stdin);
// freopen("c.out", "w", stdout);
ios::sync_with_stdio(false); cin.tie(0), cout.tie(0);
cin >> n;
rep(i, 1, n) cin >> x[i];
buildst();
cin >> q;
rep(i, 1, q)
{
int now, ans = 0; cin >> now;
if (now <= x[1]) {cout << x[n] - now << '\n'; continue;}
if (now >= x[n]) {cout << now - x[1] << '\n'; continue;}
int pos = upper_bound(x + 1, x + n + 1, now) - x - 1; //cerr << pos << endl;
if (now - x[pos] > x[pos + 1] - now) ++pos;
ans = abs(now - x[pos]), now = x[pos];
int l = pos - 1, r = pos + 1;
// cerr << l << ' ' << r << endl;
while (l > 0 && r <= n)
{
// cerr << l << ' ' << r << endl;
if (now - x[l] <= x[r] - now)
{
if (l == 1) {ans += now - x[1], now = x[1], l = 0; continue;}
int ppp = l + 1;
for (int i = 18; i >= 0; --i) if (ppp > (1 << i) + 1 && sta[i][ppp - (1 << i)] <= x[r]) ppp -= (1 << i);
ans += now - x[ppp - 1], now = x[ppp - 1], l = ppp - 2;
// cerr << "gfdsgfds" << l << endl;
}
else
{
if (r == n) {ans += x[n] - now, now = x[n], r = n + 1; continue;}
int ppp = r - 1;
for (int i = 18; i >= 0; --i) if (ppp + (1 << i) < n && stb[i][ppp] > x[l]) ppp += (1 << i);
ans += x[ppp + 1] - now, r = ppp + 2, now = x[ppp + 1];
// cerr << "qwe" << r << endl;
}
}
if (l > 0) ans += now - x[1]; else ans += x[n] - now;
cout << ans << '\n';
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 5
Accepted
time: 0ms
memory: 38484kb
input:
2000 154914587 154914588 154914591 154914592 154914594 154914596 154914598 154914599 154914601 154914603 154914608 154914610 154914612 154914615 154914618 154914619 154914621 154914622 154914626 154914627 154914631 154914633 154914636 154914638 154914640 154914641 154914642 154914644 154914645 15491...
output:
809906250
result:
ok 1 number(s): "809906250"
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 36456kb
input:
2000 356563033 356563037 356563039 356563041 356563043 356563045 356563048 356563050 356563051 356563052 356563054 356563055 356563057 356563060 356563061 356563062 356563065 356563067 356563069 356563074 356563076 356563077 356563079 356563080 356563082 356563085 356563086 356563090 356563091 35656...
output:
1035633552
result:
wrong answer 1st numbers differ - expected: '722242888', found: '1035633552'
Subtask #2:
score: 0
Skipped
Dependency #1:
0%
Subtask #3:
score: 0
Wrong Answer
Test #31:
score: 30
Accepted
time: 77ms
memory: 60324kb
input:
200000 9 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181...
output:
200107 999999991 202154 346046 379455 269768 313076 381369 366120 265794 363817 348433 342292 260613 302587 332141 311760 281789 345769 366459 218270 221124 225466 313243 322095 332977 281351 224651 257342 259560 206246 231269 316285 371811 394056 382486 202443 357928 359464 357158 354417 368006 326...
result:
ok 200000 numbers
Test #32:
score: 30
Accepted
time: 72ms
memory: 60244kb
input:
200000 9 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181...
output:
200107 999999991 214953 203176 263561 315480 345760 288169 362438 292732 224749 214412 299705 264321 211653 248956 233685 236984 306911 206078 236282 203851 343753 216241 366274 383291 227991 214501 208691 248280 282497 201835 302961 384269 339680 249381 395777 201468 253356 249808 316046 217202 336...
result:
ok 200000 numbers
Test #33:
score: 30
Accepted
time: 71ms
memory: 58584kb
input:
200000 0 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172...
output:
200098 1000000000 200809 332026 340583 320747 327951 280466 335577 392195 262246 384764 279889 296343 206119 282306 382710 389025 369823 307624 382688 379733 319319 266016 316382 273064 390368 312448 210119 335070 205821 256717 233293 235566 200495 327143 380534 281176 293482 211483 317727 234273 21...
result:
ok 200000 numbers
Test #34:
score: 30
Accepted
time: 77ms
memory: 57624kb
input:
200000 9 109 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182...
output:
200108 999999991 398935 342885 372407 268595 300075 371409 353777 253452 348389 342780 337158 251989 290087 326120 302345 280025 337667 354788 207572 219029 219537 312936 309352 322171 278794 215577 238037 256322 203016 217393 307132 363991 389419 367602 395084 350195 342074 354917 333585 353297 307...
result:
ok 200000 numbers
Test #35:
score: 30
Accepted
time: 75ms
memory: 59256kb
input:
200000 9 109 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182...
output:
200108 999999991 399468 396515 254881 299064 337551 286690 358899 284471 214726 211350 282076 246510 393082 233179 230206 229157 287918 388371 216198 398026 326810 396152 352980 362859 207997 211382 207339 245208 279636 387108 287348 370846 326052 238182 377891 390157 238807 236535 303642 200314 331...
result:
ok 200000 numbers
Test #36:
score: 30
Accepted
time: 81ms
memory: 60804kb
input:
200000 0 100 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173...
output:
200099 1000000000 400101 324295 330652 307228 323659 266967 326296 376082 254255 366054 279702 288698 394108 278540 364606 386882 367087 297310 377645 367863 306592 251530 299280 261817 381250 300696 395926 325927 202038 238905 217436 228164 390510 326430 365953 266838 281214 396382 308060 213534 39...
result:
ok 200000 numbers
Test #37:
score: 30
Accepted
time: 18ms
memory: 5712kb
input:
1 752274513 200000 0 1000000000 3062543 353824670 471209108 300038685 972824952 279683767 647873489 455102926 383075404 304797585 248935750 197299138 525182332 495865149 664082073 708206991 86351822 501205423 604244437 984963897 681547274 314559829 730183804 245318283 760613011 309037613 514660147 8...
output:
752274513 247725487 749211970 398449843 281065405 452235828 220550439 472590746 104401024 297171587 369199109 447476928 503338763 554975375 227092181 256409364 88192440 44067522 665922691 251069090 148030076 232689384 70727239 437714684 22090709 506956230 8338498 443236900 237614366 115943118 686592...
result:
ok 200000 numbers
Test #38:
score: 30
Accepted
time: 15ms
memory: 7752kb
input:
1 73 200000 0 1000000000 10 72 125 39 37 127 54 106 35 45 65 95 80 77 45 50 6 54 43 102 2 97 92 59 65 15 16 6 97 31 15 102 110 95 68 0 72 36 101 143 94 97 142 19 15 70 145 22 41 7 35 51 78 141 13 4 143 49 34 37 134 132 14 24 111 19 1 31 113 96 106 34 74 74 27 31 37 96 84 62 47 34 33 133 15 78 120 72...
output:
73 999999927 63 1 52 34 36 54 19 33 38 28 8 22 7 4 28 23 67 19 30 29 71 24 19 14 8 58 57 67 24 42 58 29 37 22 5 73 1 37 28 70 21 24 69 54 58 3 72 51 32 66 38 22 5 68 60 69 70 24 39 36 61 59 59 49 38 54 72 42 40 23 33 39 1 1 46 42 36 23 11 11 26 39 40 60 58 5 47 1 38 7 14 51 73 46 61 8 45 59 33 51 70...
result:
ok 200000 numbers
Test #39:
score: 0
Wrong Answer
time: 75ms
memory: 59400kb
input:
200000 67 98 181 270 354 429 496 561 572 671 696 787 856 935 1022 1065 1091 1129 1188 1256 1296 1316 1386 1388 1462 1495 1513 1563 1621 1665 1760 1790 1812 1855 1918 1971 1990 2087 2137 2234 2313 2329 2423 2501 2585 2642 2695 2795 2893 2990 3085 3095 3185 3279 3315 3327 3377 3454 3493 3553 3617 3662...
output:
10100896 999999933 14574238 13002253 19727669 11009705 15218711 13678079 18071902 18516120 13910578 13098664 12765541 19245270 18563620 19531507 17598566 16639075 18337352 14028651 11260968 14138243 18288313 14125110 18034945 17514062 15950989 17179910 10723293 17833318 17175872 16182912 17058697 17...
result:
wrong answer 57th numbers differ - expected: '13876864', found: '16425671'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%