Submission #357864

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
3578642021-01-24 20:57:12shivensinha4Bridges (APIO19_bridges)C++17
Compilation error
0 ms0 KiB
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,tune=native")
#include "bits/stdc++.h"
using namespace std;
#define for_(i, s, e) for (int i = s; i < (int) e; i++)
#define for__(i, s, e) for (ll i = s; i < e; i++)
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
#define endl '\n'
class UFDS {
public:
vi p, rank, sz; int count = 0;
void build(int n) {
p.assign(n, 0); rank.assign(n, 0); sz.assign(n, 1);
for_(i, 0, n) p[i] = i;
count = n;
}
int getParent(int i) {
return (p[i] == i) ? i : (p[i] = getParent(p[i]));
}
void join(int i, int j) {
int a = getParent(i), b = getParent(j);
if (a == b) return;
count -= 1;
if (rank[a] > rank[b]) {
p[b] = a;
 
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Compilation message (stderr)

In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/gthr.h:148,
                 from /usr/include/c++/9/ext/atomicity.h:35,
                 from /usr/include/c++/9/bits/ios_base.h:39,
                 from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from bridges.cpp:4:
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:102:1: error: option("tune=") was already specified
  102 | __gthrw(pthread_once)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:102:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:103:1: error: option("tune=") was already specified
  103 | __gthrw(pthread_getspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:103:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:104:1: error: option("tune=") was already specified
  104 | __gthrw(pthread_setspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:104:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:106:1: error: option("tune=") was already specified
  106 | __gthrw(pthread_create)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:106:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:107:1: error: option("tune=") was already specified
  107 | __gthrw(pthread_join)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:107:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:108:1: error: option("tune=") was already specified
  108 | __gthrw(pthread_equal)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:108:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:109:1: error: option("tune=") was already specified
  109 | __gthrw(pthread_self)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:109:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:110:1: error: option("tune=") was already specified
  110 | __gthrw(pthread_detach)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:110:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:112:1: error: option("tune=") was already specified
  112 | __gthrw(pthread_cancel)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:112:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:114:1: error: option("tune=") was already specified
  114 | __gthrw(sched_yield)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:114:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:116:1: error: option("tune=") was already specified
  116 | __gthrw(pthread_mutex_lock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:116:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:117:1: error: option("tune=") was already specified
  117 | __gthrw(pthread_mutex_trylock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:117:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:119:1: error: option("tune=") was already specified
  119 | __gthrw(pthread_mutex_timedlock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:119:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:121:1: error: option("tune=") was already specified
  121 | __gthrw(pthread_mutex_unlock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:121:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:122:1: error: option("tune=") was already specified
  122 | __gthrw(pthread_mutex_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:122:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:123:1: error: option("tune=") was already specified
  123 | __gthrw(pthread_mutex_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:123:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:125:1: error: option("tune=") was already specified
  125 | __gthrw(pthread_cond_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:125:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:126:1: error: option("tune=") was already specified
  126 | __gthrw(pthread_cond_broadcast)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:126:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:127:1: error: option("tune=") was already specified
  127 | __gthrw(pthread_cond_signal)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:127:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:128:1: error: option("tune=") was already specified
  128 | __gthrw(pthread_cond_wait)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:128:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:129:1: error: option("tune=") was already specified
  129 | __gthrw(pthread_cond_timedwait)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:129:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:130:1: error: option("tune=") was already specified
  130 | __gthrw(pthread_cond_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:130:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:132:1: error: option("tune=") was already specified
  132 | __gthrw(pthread_key_create)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:132:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:133:1: error: option("tune=") was already specified
  133 | __gthrw(pthread_key_delete)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:133:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:134:1: error: option("tune=") was already specified
  134 | __gthrw(pthread_mutexattr_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:134:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:135:1: error: option("tune=") was already specified
  135 | __gthrw(pthread_mutexattr_settype)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:135:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:136:1: error: option("tune=") was already specified
  136 | __gthrw(pthread_mutexattr_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:136:1: error: option("tune=") was already specified
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:237:1: error: option("tune=") was already specified
  237 | __gthrw2(__gthrw_(__pthread_key_create),
      | ^~~~~~~~
/usr/include/x86_64-linux-gnu/c++/9/bits/gthr-default.h:237:1: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:71:3: error: option("tune=") was already specified
   71 |   _GLIBCXX_GTHRW(rwlock_rdlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/9/shared_mutex:71:3: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:72:3: error: option("tune=") was already specified
   72 |   _GLIBCXX_GTHRW(rwlock_tryrdlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/9/shared_mutex:72:3: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:73:3: error: option("tune=") was already specified
   73 |   _GLIBCXX_GTHRW(rwlock_wrlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/9/shared_mutex:73:3: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:74:3: error: option("tune=") was already specified
   74 |   _GLIBCXX_GTHRW(rwlock_trywrlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/9/shared_mutex:74:3: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:75:3: error: option("tune=") was already specified
   75 |   _GLIBCXX_GTHRW(rwlock_unlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/9/shared_mutex:75:3: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:89:4: error: option("tune=") was already specified
   89 |    __gthrw(pthread_rwlock_timedrdlock);
      |    ^~~~~~~
/usr/include/c++/9/shared_mutex:89:4: error: option("tune=") was already specified
/usr/include/c++/9/shared_mutex:99:4: error: option("tune=") was already specified
   99 |    __gthrw(pthread_rwlock_timedwrlock);
      |    ^~~~~~~
/usr/include/c++/9/shared_mutex:99:4: error: option("tune=") was already specified
bridges.cpp: In function 'int main()':
bridges.cpp:98:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |     while (pt < same.size() and same[pt].first >= qr[qq][1]) {
      |            ~~~^~~~~~~~~~~~~