mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-11-08 12:58:48 +00:00
1123. [POI2008]BLO
https://hydro.ac/d/bzoj/record/6329c21479b7c59ccd1f3d9e
This commit is contained in:
parent
6f733038c4
commit
b238b8ee8b
77
BZOJ/1123/1123.cpp
Normal file
77
BZOJ/1123/1123.cpp
Normal file
@ -0,0 +1,77 @@
|
||||
#include <iostream>
|
||||
#include <utility>
|
||||
#include <vector>
|
||||
|
||||
using std::cin;
|
||||
using std::cout;
|
||||
const char endl = '\n';
|
||||
|
||||
const int N = 1e5 + 5;
|
||||
|
||||
int n, m;
|
||||
long long ans[N];
|
||||
std::vector<int> g[N];
|
||||
int root, cnt, dfn[N], low[N], siz[N];
|
||||
bool cut[N];
|
||||
|
||||
void tarjan(int u) {
|
||||
dfn[u] = low[u] = ++cnt;
|
||||
siz[u] = 1;
|
||||
|
||||
bool flag = false;
|
||||
int sum = 0;
|
||||
|
||||
for (int v : g[u]) {
|
||||
if (!dfn[v]) {
|
||||
tarjan(v);
|
||||
low[u] = std::min(low[u], low[v]);
|
||||
siz[u] += siz[v];
|
||||
|
||||
if (dfn[u] <= low[v]) {
|
||||
if (u != root || flag) {
|
||||
cut[u] = true;
|
||||
sum += siz[v];
|
||||
ans[u] += static_cast<long long>(n - siz[v]) * siz[v];
|
||||
} else {
|
||||
flag = true;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
low[u] = std::min(low[u], dfn[v]);
|
||||
}
|
||||
}
|
||||
|
||||
if (cut[u]) {
|
||||
ans[u] += static_cast<long long>(n - sum - 1) * (sum + 1)
|
||||
+ n - 1;
|
||||
} else {
|
||||
ans[u] = 2 * (n - 1);
|
||||
}
|
||||
}
|
||||
|
||||
int main() {
|
||||
std::ios::sync_with_stdio(false);
|
||||
cin.tie(nullptr);
|
||||
|
||||
cin >> n >> m;
|
||||
|
||||
for (int i = 1, u, v; i <= m; i++) {
|
||||
cin >> u >> v;
|
||||
|
||||
g[u].emplace_back(v);
|
||||
g[v].emplace_back(u);
|
||||
}
|
||||
|
||||
for (int i = 1; i <= n; i++) {
|
||||
if (!dfn[i]) {
|
||||
root = i;
|
||||
tarjan(i);
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 1; i <= n; i++) {
|
||||
cout << ans[i] << endl;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
BIN
BZOJ/1123/data/1.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/1.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/1.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/1.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/10.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/10.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/10.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/10.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/11.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/11.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/11.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/11.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/12.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/12.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/12.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/12.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/13.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/13.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/13.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/13.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/14.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/14.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/14.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/14.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/15.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/15.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/15.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/15.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/16.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/16.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/16.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/16.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/2.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/2.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/2.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/2.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/3.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/3.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/3.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/3.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/4.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/4.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/4.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/4.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/5.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/5.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/5.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/5.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/6.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/6.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/6.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/6.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/7.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/7.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/7.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/7.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/8.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/8.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/8.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/8.out
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/9.in
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/9.in
(Stored with Git LFS)
Normal file
Binary file not shown.
BIN
BZOJ/1123/data/9.out
(Stored with Git LFS)
Normal file
BIN
BZOJ/1123/data/9.out
(Stored with Git LFS)
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user