ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#213505 | #573. t2 | KXG | 30 | 268ms | 18320kb | C++11 | 1.3kb | 2024-11-12 18:45:47 | 2024-11-12 23:06:42 |
answer
#include <cstdio>
#include <vector>
using namespace std;
long long ans = 0;
int fa[100010], vis[100010], cnt[100010], now;
int find(int x) {
if (vis[x] != now) return vis[x] = now, cnt[x] = 1, fa[x] = x;
if (fa[x] == x) return x;
return find(fa[x]);
}
void merge(int x, int y) {
x = find(x), y = find(y);
if (x != y) {
fa[x] = y;
ans -= cnt[x] * (cnt[x] - 1) / 2;
ans -= cnt[y] * (cnt[y] - 1) / 2;
cnt[y] += cnt[x];
ans += cnt[y] * (cnt[y] - 1) / 2;
}
}
int n, q, u, v, w;
vector<pair<int, int> > E[100010];
long long res[100010];
int main() {
scanf("%d%d", &n, &q);
for (int i = 1; i < n; i++) {
scanf("%d%d%d", &u, &v, &w);
for (int j = 1; j * j <= w; j++) {
if (w % j == 0) {
E[j].push_back({u, v});
if (j * j != w) {
E[w / j].push_back({u, v});
}
}
}
}
for (int i = 1; i <= 100000; i++) {
now++;
ans = 0;
for (int j = 0; j < E[i].size(); j++) {
merge(E[i][j].first, E[i][j].second);
}
res[i] = ans;
}
for (int i = 1; i <= q; i++) {
scanf("%d", &w);
printf("%d\n", res[w]);
}
return 0;
}
Details
小提示:点击横条可展开更详细的信息
Subtask #1:
score: 30
Accepted
Test #1:
score: 30
Accepted
time: 0ms
memory: 4224kb
input:
50 50 48 29 49788 47 48 31142 35 48 28665 10 35 23889 39 35 6411 50 39 66666 43 35 27629 46 10 49173...
output:
2 1 0 0 0 2 0 0 0 0 0 0 1 10 0 0 1 0 0 2 0 1 0 2 0 0 0 0 0 2 0 0 0 0 2 0 0 0 1 0 0 1 0 2 1 2 0 0 0 0
result:
ok 50 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 4220kb
input:
50 50 48 29 36145 47 29 82496 35 47 66171 10 47 40597 39 48 64355 50 48 98687 43 39 15472 46 35 3729...
output:
0 0 0 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 1 0 13 0 0 1 0 1 1 0 20 1 1 0 6 0 0 1
result:
ok 50 tokens
Test #3:
score: 0
Accepted
time: 0ms
memory: 4220kb
input:
50 50 48 29 38855 47 29 33850 35 29 87324 10 29 73658 39 48 22299 50 47 14355 43 29 86962 46 47 4177...
output:
0 0 1 0 9 0 0 1 0 0 0 0 0 2 0 0 0 0 1 0 0 2 2 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 3 58 0 0 0 0 0 3 0 0 0 0
result:
ok 50 tokens
Test #4:
score: 0
Accepted
time: 0ms
memory: 4220kb
input:
50 50 48 29 25212 47 48 68851 35 48 24830 10 47 90366 39 10 96596 50 10 30023 43 47 58452 46 29 2989...
output:
0 6 0 1 7 4 0 3 1 0 7 0 1 0 0 0 0 4 0 6 0 7 0 0 0 4 2 3 0 0 0 6 0 0 0 0 0 4 6 3 1 3 0 0 4 0 0 0 1 6
result:
ok 50 tokens
Test #5:
score: 0
Accepted
time: 0ms
memory: 4224kb
input:
50 50 48 29 27922 47 29 20205 35 29 45983 10 48 7074 39 10 54540 50 29 62044 43 10 29942 46 43 34375...
output:
0 0 0 0 14 0 0 0 2 0 0 2 1 0 0 0 0 0 0 3 0 0 0 2 0 1 1 0 0 18 0 0 0 0 0 0 3 1 1 0 1 0 0 0 2 0 0 25 1...
result:
ok 50 tokens
Test #6:
score: 0
Accepted
time: 2ms
memory: 4220kb
input:
50 50 48 29 14279 47 48 71559 35 48 83489 10 35 23782 39 47 12484 50 47 77712 43 50 1432 46 50 22499...
output:
0 0 1 3 24 0 0 0 1 2 0 10 2 0 0 0 1 0 0 0 0 0 10 0 0 0 0 0 0 1 0 0 1 0 1 2 0 0 0 0 0 0 0 93 0 0 0 0 ...
result:
ok 50 tokens
Test #7:
score: 0
Accepted
time: 0ms
memory: 4220kb
input:
50 50 48 29 636 47 29 22913 35 47 4642 10 47 40490 39 29 70428 50 10 9733 43 48 72922 46 10 26976 14...
output:
2 0 0 0 3 0 0 7 0 1 1 0 99 0 0 0 0 0 0 0 0 0 0 0 0 99 0 2 2 0 6 3 0 0 2 0 0 3 4 0 0 3 0 0 1 0 1 1 2 0
result:
ok 50 tokens
Test #8:
score: 0
Accepted
time: 0ms
memory: 4220kb
input:
50 50 48 29 3346 47 48 57914 35 29 42148 10 29 73551 39 29 44725 50 39 25401 43 35 60765 46 35 15100...
output:
0 1225 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 2 0 0 0 0 0 0 0 0 3 0 0 2 0 0 1 0 0 0 0 0 2 0 0 0 0 4 0 1 0 0 0 2
result:
ok 50 tokens
Test #9:
score: 0
Accepted
time: 0ms
memory: 4224kb
input:
50 50 48 29 89703 47 29 9268 35 47 63301 10 35 90259 39 35 2669 50 48 41069 43 39 32255 46 47 19577 ...
output:
0 0 0 2 0 0 0 0 0 1 0 5 1 0 0 1 0 2 0 1 2 0 5 0 6 0 3 4 0 0 0 0 3 0 0 0 5 2 0 3 0 0 1 0 0 0 0 0 0 0
result:
ok 50 tokens
Test #10:
score: 0
Accepted
time: 2ms
memory: 4220kb
input:
50 50 48 29 92413 47 48 60622 35 29 807 10 48 6967 39 35 60613 50 35 73090 43 29 3745 46 29 7701 14 ...
output:
0 0 0 0 0 0 0 0 1 1 1 0 1 0 0 1 2 1 2 0 0 4 0 0 0 0 0 0 0 2 0 0 0 0 7 0 1 0 0 0 0 0 0 0 6 0 2 0 0 0
result:
ok 50 tokens
Subtask #2:
score: 0
Wrong Answer
Test #11:
score: 0
Wrong Answer
time: 63ms
memory: 9884kb
input:
100000 100000 73595 40695 76 13615 40695 96 65545 13615 84 19391 13615 76 2353 73595 27 26730 40695 ...
output:
12815 1065 2028 53298 627586 19060 4345 1010 16097 1032 1044 1054 3191 16097 1055 627586 19060 978 9...
result:
wrong answer 20th words differ - expected: '4999950000', found: '704982704'
Subtask #3:
score: 0
Wrong Answer
Test #21:
score: 0
Wrong Answer
time: 201ms
memory: 18320kb
input:
100000 100000 73595 40695 12816 13615 73595 81821 65545 40695 75866 19391 65545 1165 2353 73595 3737...
output:
8 2270 96901 1 2085 1584 4228 9112 6 0 2 0 11 1035 2833 0 704982704 2 2 1294 6056 2221 4398 1587 497...
result:
wrong answer 17th words differ - expected: '4999950000', found: '704982704'