#include<bits/stdc++.h>
using namespace std;
using LL = long long;
using D = double;
#define f1 first
#define f2 second
#define randint(a, b) uniform_int_distribution<int>{a, b}(gen)
#ifdef LOC
void OUT() {cout << '\n';}
template<class H, class ... T> void OUT(H h, T ... t)
{
cout << h << ' ';
OUT(t...);
}
#define P(...) cout << "[" << #__VA_ARGS__ << "] ", OUT(__VA_ARGS__)
#else
#define P(...)
#define OUT(...)
#endif
vector<pair<int, int>> g[400];
int odw[400];
int odwVal = 1;
int t, n;
LL val[400];
int mask;
LL dfs(int p)
{
LL sum = 0;
sum += val[p];
odw[p] = odwVal;
for(auto pp : g[p])
{
if(odw[pp.f1] == odwVal) continue;
if(pp.f2 & mask) continue;
sum += dfs(pp.f1);
}
return sum;
}
LL ans[400];
void dp()
{
LL toRet = 0;
for(int i = 1; i <= n; ++i)
{
if(odw[i] != odwVal)
{
LL sm = dfs(i);
toRet += sm * sm;
}
}
odwVal ^= 1;
auto & o = ans[__builtin_popcount(mask)];
o = min(o, toRet);
}
int main(int, char ** /*args*/)
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> t;
while(t--)
{
cin >> n;
for(int i = 1; i <= n; ++i)
{
cin >> val[i];
g[i].clear();
}
for(int i = 0; i < n - 1; ++i)
{
int b, c;
cin >> b >> c;
g[b].push_back({c, 1<<i});
g[c].push_back({b, 1<<i});
}
for(int i = 0; i < n; ++i)
{
ans[i] = 1e18;
}
for(int k = 0; k < 1<<(n - 1); ++k)
{
mask = k;
dp();
}
for(int i = 0; i < n; ++i) cout << ans[i] << ' ';
cout << '\n';
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | #include<bits/stdc++.h> using namespace std; using LL = long long; using D = double; #define f1 first #define f2 second #define randint(a, b) uniform_int_distribution<int>{a, b}(gen) #ifdef LOC void OUT() {cout << '\n';} template<class H, class ... T> void OUT(H h, T ... t) { cout << h << ' '; OUT(t...); } #define P(...) cout << "[" << #__VA_ARGS__ << "] ", OUT(__VA_ARGS__) #else #define P(...) #define OUT(...) #endif vector<pair<int, int>> g[400]; int odw[400]; int odwVal = 1; int t, n; LL val[400]; int mask; LL dfs(int p) { LL sum = 0; sum += val[p]; odw[p] = odwVal; for(auto pp : g[p]) { if(odw[pp.f1] == odwVal) continue; if(pp.f2 & mask) continue; sum += dfs(pp.f1); } return sum; } LL ans[400]; void dp() { LL toRet = 0; for(int i = 1; i <= n; ++i) { if(odw[i] != odwVal) { LL sm = dfs(i); toRet += sm * sm; } } odwVal ^= 1; auto & o = ans[__builtin_popcount(mask)]; o = min(o, toRet); } int main(int, char ** /*args*/) { ios_base::sync_with_stdio(0); cin.tie(0); cin >> t; while(t--) { cin >> n; for(int i = 1; i <= n; ++i) { cin >> val[i]; g[i].clear(); } for(int i = 0; i < n - 1; ++i) { int b, c; cin >> b >> c; g[b].push_back({c, 1<<i}); g[c].push_back({b, 1<<i}); } for(int i = 0; i < n; ++i) { ans[i] = 1e18; } for(int k = 0; k < 1<<(n - 1); ++k) { mask = k; dp(); } for(int i = 0; i < n; ++i) cout << ans[i] << ' '; cout << '\n'; } return 0; } |
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