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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#467957 | #6671. Zadatak | PorNPtree | 0 | 228ms | 154276kb | C++17 | 2.2kb | 2024-07-08 18:27:07 | 2024-07-08 18:27:08 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5, L = 1e6;
struct op {
int l, r, c;
long long sB, sW;
} p[N << 6];
int a[N], rt[N << 1], tot;
int newNode(int l, int r) {
++tot, p[tot].l = p[tot].r = p[tot].c = 0;
p[tot].sB = 0, p[tot].sW = 1ll * r * r - 1ll * (l - 1) * (l - 1);
return tot;
}
void up(int k, int l, int r) {
int mid = (l + r) >> 1;
if (!p[k].l) p[k].l = newNode(l, mid);
if (!p[k].r) p[k].r = newNode(mid + 1, r);
p[k].c = p[p[k].l].c ^ p[p[k].r].c;
p[k].sB = p[p[k].r].sB + (p[p[k].r].c ? p[p[k].l].sW : p[p[k].l].sB);
p[k].sW = p[p[k].r].sW + (p[p[k].r].c ? p[p[k].l].sB : p[p[k].l].sW);
}
void modify(int &k, int l, int r, int x) {
if (!k) k = newNode(l, r);
if (l == r) {
p[k].sB = l + l - 1, p[k].sW = 0, p[k].c = 1;
return;
}
int mid = (l + r) >> 1;
if (x <= mid) modify(p[k].l, l, mid, x);
else modify(p[k].r, mid + 1, r, x);
up(k, l, r);
}
long long res;
int merge(int x, int y, int l, int r, int c1, int c2) {
if (!x && !y) {
if (c1 && c2) res += 1ll * r * r - 1ll * (l - 1) * (l - 1);
return 0;
}
if (!x) {
if (c1) res += !c2 ? p[y].sB : p[y].sW;
return y;
}
if (!y) {
if (c2) res += !c1 ? p[x].sB : p[x].sW;
return x;
}
if (l == r) {
if ((p[x].c ^ c1) && (p[y].c ^ c2)) res += l + l - 1;
p[x].c ^= p[y].c;
if (p[y].c) swap(p[x].sB, p[x].sW);
return x;
}
int mid = (l + r) >> 1;
p[x].r = merge(p[x].r, p[y].r, mid + 1, r, c1, c2);
p[x].l = merge(p[x].l, p[y].l, l, mid, c1 ^ p[p[x].r].c ^ p[p[y].r].c, c2 ^ p[p[y].r].c);
up(x, l, r);
return x;
}
signed main() {
int n; scanf("%d", &n);
for (int i = 1; i <= n; ++i) scanf("%d", &a[i]), a[i] >>= 1;
for (int i = 1; i <= n; ++i) modify(rt[i], 1, L, a[i]);
for (int i = 1, x, y; i < n; ++i) {
scanf("%d%d", &x, &y);
printf("%d %d %d %d\n", x, y, a[x], a[y]);
res = 0;
rt[n + i] = merge(rt[x], rt[y], 1, L, 0, 0);
printf("%lld\n", res << 2);
}
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 9ms
memory: 12112kb
input:
5000 217378 945562 533764 323494 69148 240722 205370 463122 552700 31800 616898 678076 893816 258468 34822 905360 967562 731346 340940 584418 684926 785402 107584 995542 363278 255302 196912 870994 329464 338390 154870 977540 65120 130388 350020 239660 553428 710306 385138 633274 841672 740778 17929...
output:
1020 4679 493644 299947 359872811236 577 1034 485627 397714 632705703184 4658 5002 431836 0 113223620400 1017 5003 250614 0 251229507984 5001 5004 0 0 470237900880 2771 5005 239285 0 0 4057 5006 188741 0 142492660324 1183 3687 350979 402938 492745033764 1203 5008 315744 0 0 2774 5009 149369 0 892443...
result:
wrong answer 1st lines differ - expected: '359872811236', found: '1020 4679 493644 299947'
Subtask #2:
score: 0
Wrong Answer
Test #27:
score: 0
Wrong Answer
time: 170ms
memory: 138616kb
input:
100000 590812 862538 815196 397712 773198 172122 270600 609324 841858 4868 597128 216378 982576 385590 842010 55844 671758 885088 577804 194248 229770 859754 274744 678176 607974 791062 607192 210234 863164 619708 804538 430978 237704 10512 840374 843732 875326 255462 970338 898540 925508 661464 413...
output:
1 2 295406 431269 349058819344 3 100001 407598 0 315485699072 4 100002 198856 0 158174834944 5 100003 386599 0 190883984400 6 100004 86061 0 29625982884 7 100005 135300 0 43598377116 8 100006 304662 0 136793375460 9 100007 420929 0 505222145492 10 100008 2434 0 23697424 11 100009 298564 0 1220557894...
result:
wrong answer 1st lines differ - expected: '349058819344', found: '1 2 295406 431269'
Subtask #3:
score: 0
Wrong Answer
Test #40:
score: 0
Wrong Answer
time: 228ms
memory: 154276kb
input:
65536 131908 883754 813278 197778 704074 981802 297078 903698 485360 496064 726120 251990 462786 129558 704500 920556 903884 454552 949354 328526 921462 975888 780002 276668 675308 49774 83014 136308 679916 42174 151084 358830 284218 259680 65684 526980 516764 200170 265060 294150 128046 658864 2984...
output:
1 2 65954 441877 17399720464 3 4 406639 98889 39116137284 5 6 352037 490901 495720197476 7 8 148539 451849 88255338084 9 10 242680 248032 235574329600 11 12 363060 125995 63498960100 13 14 231393 64779 16785275364 15 16 352250 460278 496320250000 17 18 451942 227276 206617520704 19 20 474677 164263 ...
result:
wrong answer 1st lines differ - expected: '17399720464', found: '1 2 65954 441877'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
0%