void mergesort(int s[], int n) {
if(n <= 1)
return;
const int left = n / 2, right = n - n / 2;
int l[left], r[right], i;
for(i = 0; i < left; i++)
l[i] = s[i];
for(i = left; i < n; i++)
r[i - left] = s[i];
mergesort(l, left);
mergesort(r, right);
merge_(l, left, r, right, s);
}
void
merge(int* input_array_low, int* input_array_high, int* local_array_low,
int* local_array_high, int* temp_array_low)
{
if(((input_array_high - input_array_low) +
(local_array_high - local_array_low)) <= MAX_SIZE_LIMIT_OF_MERGE )
{
merge_( input_array_low, input_array_high, local_array_low,
local_array_high, temp_array_low );
}
else
{
int *input_array_mid, *local_array_mid;
if( (input_array_high - input_array_low) <
(local_array_high - local_array_low) )
{
local_array_mid = local_array_low +
(local_array_high - local_array_low) / 2;
input_array_mid = upper_bound(input_array_low, input_array_high,
*local_array_mid);
}
else
{
input_array_mid = input_array_low +
(input_array_high - input_array_low) / 2;
local_array_mid = lower_bound(local_array_low, local_array_high,
*input_array_mid);
}
int* temp_array_mid = temp_array_low +
(input_array_mid - input_array_low) +
(local_array_mid - local_array_low);
#pragma omp task
merge(input_array_low, input_array_mid, local_array_low,
local_array_mid, temp_array_low);
merge(input_array_mid, input_array_high, local_array_mid,
local_array_high, temp_array_mid);
#pragma omp taskwait
}
}
int main(int argc, char *argv[])
{
int t, m, n, max;
int a, b;
scanf("%d", &t);
while (t--) {
max = 0;
scanf("%d%d", &n, &m);
init(n);
while (m--) {
scanf("%d%d", &a, &b);
merge_(a, b);
}
for (i = 0; i <= n; i++) {
ss[djs[i]]++;
if (ss[djs[i]] > max) {
max = ss[djs[i]];
}
}
printf("%d\n", max);
}
return 0;
}
void merge32s(const int** src, int* dst, int len, int cn )
{
merge_(src, dst, len, cn);
}
void merge64s(const int64** src, int64* dst, int len, int cn )
{
merge_(src, dst, len, cn);
}
void merge8u(const uchar** src, uchar* dst, int len, int cn )
{
merge_(src, dst, len, cn);
}
void merge16u(const ushort** src, ushort* dst, int len, int cn )
{
merge_(src, dst, len, cn);
}
void merge64s(const int64** src, int64* dst, int len, int cn )
{
CALL_HAL(merge64s, cv_hal_merge64s, src, dst, len, cn)
merge_(src, dst, len, cn);
}
void merge32s(const int** src, int* dst, int len, int cn )
{
CALL_HAL(merge32s, cv_hal_merge32s, src, dst, len, cn)
merge_(src, dst, len, cn);
}
void merge16u(const ushort** src, ushort* dst, int len, int cn )
{
CALL_HAL(merge16u, cv_hal_merge16u, src, dst, len, cn)
merge_(src, dst, len, cn);
}
void merge8u(const uchar** src, uchar* dst, int len, int cn )
{
CALL_HAL(merge8u, cv_hal_merge8u, src, dst, len, cn)
merge_(src, dst, len, cn);
}
/*
* Joins contig 'lnconr' to contig 'lnconl' at offset 'relx', producing a
* new contig in place of 'lnconl'.
* The old 'lnconr' is removed.
*
* Returns 0 for success, -1 for error (currently never)
*/
int dojoin(GapIO *io, int lnconl, int lnconr, int relx) {
int gl_r = io_crnbr(io, lnconl);
int gl_l;
int gr_l = io_clnbr(io, lnconr);
int i, len, right = 0;
f_int tmp;
GContigs c;
reg_length rl;
reg_join rj;
/* Shift readings in lnconr by relx */
io_relpos(io, gr_l) = relx+1;
i = gr_l;
while (i = io_rnbr(io, i)) {
io_relpos(io, i) += relx;
}
/* Linkup ends of contigs (but not yet in correct left to right order) */
io_lnbr(io, gr_l) = gl_r;
io_rnbr(io, gl_r) = gr_l;
/* Call MERGE() to shuffle the links to the correct order */
tmp = io_dbsize(io) - lnconl;
merge_(&io_relpos(io,1), &io_length(io,1), &io_lnbr(io,1), &io_rnbr(io,1),
&tmp, &io_dbsize(io));
/* MERGE() doesn't save the readings, so do that ourselves */
for (right = i = io_clnbr(io, lnconl); i; right = i, i = io_rnbr(io, i)) {
GReadings r;
gel_read(io, i, r);
r.left = io_lnbr(io, i);
r.right = io_rnbr(io, i);
r.position = io_relpos(io, i);
gel_write(io, i, r);
}
/* merge contig annotation lists and update contig length */
merge_contig_tags(io, lnconl, lnconr, relx);
/* merge note lists */
merge_contig_notes(io, lnconr, lnconl);
contig_read(io, lnconr, c);
len = c.length + relx;
contig_read(io, lnconl, c);
if (c.length < len)
c.length = len;
c.right = right;
contig_write(io, lnconl, c);
io_clength(io, lnconl) = c.length;
io_crnbr(io, lnconl) = c.right;
/*
* The order of notifications here is crucial.
*
* We need to firstly notify the right contig that it's been joined to
* the left contig.
*
* Merge the contig registration lists (copy right into left).
*
* Then we delete the right contig. Note that this may imply that the
* left contig number changes, so we convert to a gel number during the
* duration of this call.
*
* Finally we then tell the left contig that it's length has changed.
*/
/* Notify right of join */
rj.job = REG_JOIN_TO;
rj.contig = lnconl;
rj.offset = relx;
contig_notify(io, lnconr, (reg_data *)&rj);
/* Merge lists */
contig_register_join(io, lnconr, lnconl);
/* Delete old contig (lnconr) */
gl_l = io_clnbr(io, lnconl);
io_delete_contig(io, lnconr);
lnconl = rnumtocnum(io, gl_l);
/* Notify left of join */
rl.job = REG_LENGTH;
rl.length = c.length;
contig_notify(io, lnconl, (reg_data *)&rl);
flush2t(io);
return 0;
}