# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
357864 | 2021-01-24 20:57:12 | shivensinha4 | Bridges (APIO19_bridges) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
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
#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;
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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]) { | ~~~^~~~~~~~~~~~~