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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#455944 | #1877. Matryoshka Dolls | makrav | WA | 300ms | 300848kb | C++20 | 4.7kb | 2024-06-27 03:53:55 | 2024-06-27 03:53:55 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int K = 550;
const int N = 100010;
int ans_block[(N + K) / K][K][K];
int SPMIN[(N + K) / K][10][K], SPMAX[(100010 + K) / K][10][K];
int nxt[(N + K) / K][100010];
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, q; cin >> n >> q;
vector<int> a(n);
for (int i = 0; i < n; i++) cin >> a[i];
vector<int> pos(n + 1);
for (int i = 0; i < n; i++) {
pos[a[i]] = i;
}
vector<int> bl(n, -1);
int ind= -1;
for (int i = 0; i < n; i += K) {
ind++;
vector<int> ppos;
for (int j = i + 1; j <= min(n, i + K); j++) {
bl[pos[j]] = ind;
ppos.push_back(pos[j]);
}
nxt[ind][n] = n + 1;
int INDD = ppos.size() - 1;
for (int j = n - 1; j >= 0; j--) {
nxt[ind][j] = nxt[ind][j + 1];
if (bl[j] == ind) nxt[ind][j] = INDD--;
}
for (int I = 0; I < ppos.size(); I++) {
SPMIN[ind][0][I] = a[ppos[I]];
SPMAX[ind][0][I] = a[ppos[I]];
}
for (int j = 1; j < 10; j++) {
for (int I = 0; I + (1 << j) - 1 < ppos.size(); I++) {
SPMIN[ind][j][I] = min(SPMIN[ind][j - 1][I], SPMIN[ind][j - 1][I + (1 << (j - 1))]);
SPMAX[ind][j][I] = max(SPMAX[ind][j - 1][I], SPMAX[ind][j - 1][I + (1 << (j - 1))]);
}
}
sort(ppos.begin(), ppos.end());
vector<vector<int>> bd_right(ppos.size(), vector<int>(ppos.size())), bd_left(ppos.size(), vector<int>(ppos.size()));
for (int I = 0; I < ppos.size() - 1; I++) {
bd_right[I][I] = 1e9;
bd_left[I][I] = 1e9;
for (int j = I + 1; j < ppos.size(); j++) {
bd_right[I][j] = bd_right[I][j - 1];
bd_left[I][j] = bd_left[I][j - 1];
if (a[ppos[j]] > a[ppos[I]] && bd_right[I][j] > a[ppos[j]] - a[ppos[I]]) {
bd_right[I][j] = a[ppos[j]] - a[ppos[I]];
}
if (a[ppos[j]] < a[ppos[I]] && bd_left[I][j] > a[ppos[I]] - a[ppos[j]]) {
bd_left[I][j] = a[ppos[I]] - a[ppos[j]];
}
}
}
vector<vector<int>> ans(ppos.size(), vector<int>(ppos.size()));
for (int I = ppos.size() - 1; I >= 0; I--) {
ans[I][I] = 0;
ans_block[ind][I][I] = ans[I][I];
for (int j = I - 1; j >= 0; j--) {
ans[j][I] = ans[j + 1][I];
int rg = (bd_right[j][I] == 1e9 ? -1 : a[ppos[j]] + bd_right[j][I]);
int lf = (bd_left[j][I] == 1e9 ? -1 : a[ppos[j]] - bd_left[j][I]);
if (rg != -1) ans[j][I] += abs(pos[rg] - pos[a[ppos[j]]]);
if (lf != -1) ans[j][I] += abs(pos[lf] - pos[a[ppos[j]]]);
if (lf != -1 && rg != -1) ans[j][I] -= abs(pos[lf] - pos[rg]);
ans_block[ind][j][I] = ans[j][I];
}
}
}
vector<vector<int>> qrs(q);
for (int i = 0; i < q; i++) {
int l, r; cin >> l >> r; l--; r--;
qrs[i] = {l, r, i};
}
sort(qrs.begin(), qrs.end(), [&](vector<int> &x, vector<int> &y) {
return x[1] < y[1];
});
vector<int> Log2(n + 1, 0);
for (int i = 2; i <= n; i++) Log2[i] = Log2[i / 2] + 1;
auto getmax = [&](int block, int l, int r) {
int lg = Log2[r - l + 1];
return max(SPMAX[block][lg][l], SPMAX[block][lg][r - (1 << lg) + 1]);
};
auto getmin = [&](int block, int l, int r) {
int lg = Log2[r - l + 1];
return min(SPMIN[block][lg][l], SPMIN[block][lg][r - (1 << lg) + 1]);
};
int IND = 0;
ind++;
vector<int> last(ind, -1);
vector<ll> ANSW(q);
vector<int> cnt(ind);
for (int r = 0; r < n; r++) {
last[bl[r]] = cnt[bl[r]]++;
while (IND < qrs.size() && qrs[IND][1] == r) {
int L = qrs[IND][0], R = qrs[IND][1];
ll ANS = 0;
for (int j = 0; j < ind; j++) {
if (nxt[j][L] <= last[j] && last[j] != -1) {
ANS += ans_block[j][nxt[j][L]][last[j]];
}
}
int LAST = -1;
for (int j = 0; j < ind; j++) {
if (nxt[j][L] <= last[j] && last[j] > -1) {
int RG = getmax(j, nxt[j][L], last[j]), LF = getmin(j, nxt[j][L], last[j]);
if (LAST != -1) ANS += abs(pos[LF] - pos[LAST]);
LAST = RG;
}
}
ANSW[qrs[IND][2]] = ANS;
IND++;
}
}
for (auto &u : ANSW) cout << u << '\n';
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 9576kb
input:
5 5 1 5 2 4 3 1 5 1 4 1 3 1 2 1 1
output:
7 5 3 1 0
result:
ok 5 number(s): "7 5 3 1 0"
Test #2:
score: 0
Accepted
time: 1ms
memory: 9852kb
input:
1 1 1 1 1
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 300ms
memory: 300848kb
input:
100000 1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 146 148 150 152 154 156 158 160 162 164 166 168 170 172 ...
output:
4999950000
result:
ok 1 number(s): "4999950000"
Test #4:
score: 0
Accepted
time: 2ms
memory: 9564kb
input:
20 1 12 8 13 10 18 14 1 19 5 16 15 9 17 20 6 2 11 4 3 7 9 18
output:
36
result:
ok 1 number(s): "36"
Test #5:
score: 0
Accepted
time: 0ms
memory: 11652kb
input:
20 10 5 16 11 7 19 8 12 13 17 18 6 1 14 3 4 2 15 20 10 9 7 11 7 13 7 17 11 15 1 7 4 6 1 5 6 14 3 5 9 9
output:
7 16 34 9 20 3 8 22 3 0
result:
ok 10 numbers
Test #6:
score: 0
Accepted
time: 1ms
memory: 9740kb
input:
20 50 7 3 13 8 9 18 1 15 12 10 20 11 17 16 2 19 5 4 6 14 3 6 5 15 11 20 10 18 9 20 3 17 13 20 16 17 3 20 4 17 15 18 5 19 3 14 8 20 2 20 1 4 15 19 16 20 5 13 14 17 4 10 6 16 8 16 1 12 4 9 11 15 4 20 8 11 3 16 7 7 3 11 3 7 4 4 5 12 6 20 3 14 6 19 6 19 2 14 2 12 5 6 4 6 8 15 10 19 4 14 1 16 1 20 2 13 3...
output:
6 48 36 24 46 74 17 1 104 64 5 68 44 58 130 5 9 8 30 7 13 48 26 38 11 8 92 5 70 0 28 9 0 20 80 44 58 58 48 36 1 2 20 28 34 76 136 46 1 28
result:
ok 50 numbers
Test #7:
score: 0
Accepted
time: 1ms
memory: 9732kb
input:
20 100 4 13 20 8 1 18 19 9 17 5 12 7 11 16 6 3 15 10 14 2 4 19 1 6 6 19 4 6 2 17 1 5 11 13 1 15 9 17 9 15 7 20 3 19 10 19 1 10 11 17 10 17 2 18 17 20 12 19 1 3 5 17 7 13 6 18 10 20 1 6 2 17 5 9 4 13 11 13 2 20 7 13 12 17 5 19 17 20 11 19 3 15 3 5 5 11 1 17 10 15 16 20 1 6 2 19 4 12 5 18 9 17 3 6 12 ...
output:
76 16 57 3 84 10 3 74 31 19 59 80 40 44 16 26 94 5 26 2 54 17 53 44 16 84 8 32 3 106 17 12 68 5 30 48 2 16 102 14 9 16 98 28 64 31 6 1 54 20 26 31 74 5 26 3 66 32 36 59 1 26 6 33 35 5 57 1 1 57 24 6 10 68 36 41 34 0 12 8 11 2 62 12 41 10 5 25 0 60 0 44 25 12 8 2 16 36 8 1
result:
ok 100 numbers
Test #8:
score: 0
Accepted
time: 1ms
memory: 9744kb
input:
20 228 7 3 17 10 16 11 19 5 1 13 20 18 14 2 8 4 6 9 12 15 7 20 2 20 10 13 14 19 1 9 12 20 17 19 9 20 10 12 14 17 4 15 7 16 5 12 13 16 16 18 7 18 1 11 7 17 2 20 6 8 9 17 12 18 7 18 3 4 7 13 1 4 6 12 6 10 3 17 3 4 5 14 7 13 9 20 6 20 2 4 14 17 17 20 1 7 19 20 4 20 14 15 12 16 4 6 4 15 10 11 2 16 2 20 ...
output:
66 136 5 9 32 30 2 42 3 5 62 40 28 5 2 50 44 44 136 3 20 14 50 1 16 5 18 10 74 1 44 16 42 90 3 5 3 13 1 108 1 6 3 62 1 94 136 3 14 42 3 80 26 6 54 7 26 26 31 1 74 38 15 14 52 26 14 6 4 7 3 2 70 13 2 44 6 76 26 90 1 66 108 0 28 16 132 18 7 3 14 48 7 15 1 8 9 22 9 18 36 5 70 44 42 3 1 42 0 3 3 8 3 62 ...
result:
ok 228 numbers
Test #9:
score: 0
Accepted
time: 1ms
memory: 9876kb
input:
20 322 3 11 4 1 9 19 7 12 5 17 8 15 10 18 13 2 20 16 14 6 8 14 6 6 3 17 3 16 9 18 7 17 12 13 4 14 12 18 6 13 8 9 3 17 7 20 12 16 10 15 12 16 12 14 16 19 6 7 18 20 6 16 7 14 5 19 12 13 3 14 10 15 11 18 12 20 8 9 1 13 17 18 1 18 4 19 4 9 5 19 4 5 1 2 10 17 11 19 7 14 15 20 20 20 4 7 12 15 7 17 3 13 7 ...
output:
19 0 91 80 37 39 1 48 21 23 1 91 81 10 13 10 3 5 1 2 44 23 87 1 50 13 25 37 1 58 1 119 99 14 87 1 1 21 33 23 15 0 6 7 39 42 36 1 91 3 107 25 1 44 1 0 10 7 1 1 55 3 10 2 34 91 1 51 26 25 75 1 1 18 79 13 1 80 21 16 5 3 0 18 3 7 63 63 66 3 0 5 17 0 21 10 1 3 5 1 6 35 41 29 59 43 21 0 45 3 6 75 1 103 0 ...
result:
ok 322 numbers
Test #10:
score: 0
Accepted
time: 1ms
memory: 9796kb
input:
20 1000 16 6 17 1 12 11 5 8 10 19 4 18 2 9 14 7 15 3 20 13 1 6 8 9 9 11 5 18 3 20 2 9 17 18 12 12 12 20 5 17 1 8 10 10 2 9 17 19 1 7 7 15 12 19 2 7 9 14 2 14 1 4 15 17 11 19 2 5 3 12 11 14 11 14 13 17 7 8 9 18 2 11 8 11 1 4 4 8 12 13 12 19 7 16 12 16 11 15 5 9 5 18 2 19 11 15 1 15 4 20 4 9 5 14 5 19...
output:
13 1 3 67 113 21 1 0 34 57 23 0 21 3 19 29 24 15 15 54 5 3 34 7 30 7 7 8 1 39 36 5 5 7 1 24 45 9 9 6 67 113 9 78 95 9 31 76 34 25 78 9 7 9 3 6 21 5 78 55 70 13 51 5 29 9 7 1 14 9 1 3 13 3 94 39 7 4 104 44 17 24 29 85 26 9 49 67 40 5 3 7 65 0 54 76 14 67 7 18 37 7 19 1 5 11 27 21 30 21 7 95 23 15 40 ...
result:
ok 1000 numbers
Test #11:
score: 0
Accepted
time: 0ms
memory: 9680kb
input:
20 1000 16 8 20 2 5 9 14 7 19 3 13 1 6 18 10 4 15 17 12 11 9 19 12 12 12 19 15 15 6 17 9 16 1 10 4 19 10 13 11 18 2 7 12 17 18 19 4 15 3 18 3 17 5 11 14 17 4 16 3 13 10 10 12 20 1 1 4 8 3 11 8 15 6 7 9 12 1 16 12 20 2 9 8 9 8 9 8 20 17 18 15 20 11 20 1 3 8 10 2 6 8 18 4 12 7 12 3 18 5 14 14 15 6 10 ...
output:
41 0 20 0 53 25 45 91 7 24 13 14 1 63 89 87 21 6 75 51 0 22 0 7 33 29 1 5 101 22 23 1 1 53 1 10 34 3 3 11 43 35 13 89 43 1 7 20 6 33 6 2 1 15 51 41 13 29 1 4 10 51 13 1 16 10 45 19 1 11 3 71 15 22 15 35 87 87 129 23 61 2 33 7 51 0 89 43 3 1 7 71 8 75 7 16 105 19 9 14 43 29 35 33 23 20 29 5 2 3 16 4 ...
result:
ok 1000 numbers
Test #12:
score: 0
Accepted
time: 0ms
memory: 9720kb
input:
20 1000 7 16 3 15 5 6 10 20 19 2 13 1 11 4 8 18 12 17 14 9 9 20 17 19 1 13 5 19 18 18 6 8 6 14 3 16 6 16 12 17 9 11 9 20 7 20 3 18 10 13 2 8 6 17 5 7 7 15 3 8 11 13 13 18 6 15 8 18 5 10 6 8 13 20 6 7 10 13 6 20 10 12 12 18 9 12 4 12 16 18 2 5 1 11 3 10 13 18 6 20 2 4 3 8 13 20 17 20 3 13 1 10 1 15 1...
output:
47 3 48 68 0 2 26 82 52 10 3 47 60 94 7 15 60 2 26 11 3 10 42 36 10 2 22 1 7 76 3 12 5 26 3 5 42 20 10 76 3 11 22 6 34 34 82 4 3 11 12 13 1 2 5 1 0 24 16 124 1 9 5 13 90 3 26 6 94 98 86 3 5 14 37 28 38 3 1 30 98 4 0 60 42 0 1 20 6 16 12 1 1 10 11 18 98 24 16 1 4 80 16 26 28 1 124 6 1 40 14 3 16 10 3...
result:
ok 1000 numbers
Test #13:
score: 0
Accepted
time: 0ms
memory: 9824kb
input:
20 1337 10 3 6 8 7 15 4 5 9 19 17 13 1 18 12 16 20 2 11 14 10 14 4 5 9 11 7 14 2 8 7 18 11 18 9 12 2 6 8 15 11 18 12 16 19 19 8 19 12 16 4 11 2 18 1 6 15 19 2 12 4 9 3 5 16 20 10 14 3 9 10 10 7 17 6 11 8 10 3 4 6 18 7 12 1 15 7 16 16 17 3 16 6 12 4 15 10 17 13 19 4 20 18 19 13 14 3 16 8 10 3 16 1 14...
output:
9 1 3 19 16 50 26 5 6 23 26 11 0 56 11 19 84 12 7 34 13 3 7 9 17 0 40 11 2 1 62 7 73 33 1 57 17 43 28 16 94 1 1 57 2 57 67 74 5 5 24 60 4 76 52 3 1 15 9 16 1 19 15 5 2 35 60 5 35 92 22 3 1 0 3 9 6 6 6 73 54 36 9 14 11 17 0 108 73 67 83 4 44 41 14 83 0 3 1 17 64 4 17 17 45 11 3 15 50 23 4 1 30 17 74 ...
result:
ok 1337 numbers
Test #14:
score: -100
Wrong Answer
time: 0ms
memory: 14964kb
input:
1000 1000 40 954 881 24 748 110 805 978 860 472 882 621 530 586 488 928 150 443 553 402 177 702 871 214 778 7 489 874 812 754 90 806 206 60 283 243 416 720 650 539 763 588 570 114 658 396 19 970 372 743 587 885 527 296 3 900 313 968 772 280 691 349 37 178 714 49 122 823 143 632 662 387 88 176 400 63...
output:
91620 15817 172647 12165 13618 535 8258 25370 29391 1525 53838 190052 185733 14174 106855 70067 22983 158798 20062 10732 50395 45299 14428 108761 65121 84182 79017 577 145691 636 73503 611 97009 154576 95694 132309 45565 64953 4482 53332 33196 41317 3495 1006 83 49390 38486 184384 51870 112765 14079...
result:
wrong answer 1st numbers differ - expected: '91858', found: '91620'