int main(void) {
std::cin.tie(0);
int n, p, q;
while(cin >> n && n) {
cin >> p >> q;
for(int i = 0; i < n; ++i)
cin >> pts[i].first >> pts[i].second;
vector<edge> es;
for(int i = 0; i < n; ++i)
for(int j = i+1; j < n; ++j)
es.push_back(edge(i, j, dist(i, j)));
sort(es.begin(), es.end());
DisjointSet ds = DisjointSet(n);
double ans = 0;
ds.merge(p-1, q-1);
ans += dist(p-1, q-1);
for(size_t i = 0; i < es.size(); ++i) {
if(ds.find(es[i].u) != ds.find(es[i].v)) {
ds.merge(es[i].u, es[i].v);
ans += es[i].c;
}
}
printf("%.2lf\n", ans);
}
return 0;
}
int main(void){
int T;
scanf("%d", &T);
for(int kase = 1; kase <= T; kase++) {
memset(v, 0, sizeof(v));
int n, m;
scanf("%d %d", &n, &m);
DisjointSet d = DisjointSet(n + 1);
bool flag = true;
int i, j, pi = 0, pj = 0;
while(m--) {
scanf("%d %d", &i, &j);
if(!flag) continue;
v[i] = d.find(i);
v[j] = d.find(j);
if(d.find(i) == d.find(j))
flag = false;
if(d.find(pj) == v[i] || d.find(pi) == v[j]) {
d.merge(i, pj);
d.merge(j, pi);
} else {
d.merge(i, pi);
d.merge(j, pj);
}
pi = i;
pj = j;
}
printf("Scenario #%d:\n", kase);
if(flag) printf("No suspicious bugs found!\n\n");
else printf("Suspicious bugs found!\n\n");
}
return 0;
}
int main()
{
std::cerr << "Running Test for Disjoint Set..." << std::endl;
DisjointSet<int> test;
for (int i = 0; i < 10; ++i)
test.add(i);
for (int i = 0; i < 9; ++i) {
for (int j = i + 1; j < 10; ++j) {
ASSERT_CONDITION(test.isConnected(i, j) == false, "No connectivity check");
}
}
ASSERT_CONDITION(test.getNumElements() == 10, "Number of elements check");
ASSERT_CONDITION(test.getNumSets() == 10, "Number of sets check");
test.merge(1, 2);
test.merge(1, 5);
test.merge(2, 6);
test.merge(8, 5);
test.merge(3, 4);
test.merge(9, 7);
ASSERT_CONDITION(test.getNumElements() == 10, "Number of elements (after merge) check");
ASSERT_CONDITION(test.getNumSets() == 4, "Number of sets (after merge) check");
ASSERT_CONDITION(test.isConnected(1, 2) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(1, 5) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(1, 6) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(1, 8) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(3, 4) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(7, 9) == true, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(0, 1) == false, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(0, 3) == false, "Connectivity (after merge) check");
ASSERT_CONDITION(test.isConnected(0, 7) == false, "Connectivity (after merge) check");
return 0;
}
void dfs(int r, int c, int n, DisjointSet& ds) {
stack<rc> sta;
sta.push(rc(r, c));
while (!sta.empty()) {
int r = sta.top().r;
int c = sta.top().c;
sta.pop();
if (V[r][c]) continue;
V[r][c] = 1;
for (int i = 0; i < 4; i++) {
int nr = r+dr[i];
int nc = c+dc[i];
if (nr < 0 || nr >= N || nc < 0 || nc >= M || A[nr][nc] < n)
continue;
ds.merge(conv(r, c), conv(nr, nc));
sta.push(rc(nr, nc));
}
}
}
