Submission #1013938

#TimeUsernameProblemLanguageResultExecution timeMemory
1013938vjudge1Lamps (JOI19_lamps)C++17
Compilation error
0 ms0 KiB
#pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target("arch=skylake") #include<bits/stdc++.h> using namespace std; #define int long long int n, dp[1000005][3][2]; string a, b; inline void upd(int& a, int b) {a=min(a, b);} void solve() { cin >> n >> a >> b; for (char &i:a) i-='0'; for (char &i:b) i-='0'; a = ' ' + a, b = ' ' + b; memset(dp, 0x3f, sizeof(dp)); int inf = dp[0][2][0]; dp[0][2][0]=0; for (int i = 0; i < n; i++) for (int j = 0; j < 3; j++) for (int k = 0; k < 2; k++) for (int j1 = 0; j1 < 3; j1++) for (int k1 = 0; k1 < 2; k1++) if (k1^(j1<2?j1:a[i+1])==b[i+1]) upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf); int res=inf; for (int i=0; i<3; i++) for (int j=0; j<2; j++) upd(res, dp[n][i][j]); cout << res; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); solve(); }

Compilation message (stderr)

In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/gthr.h:148,
                 from /usr/include/c++/10/ext/atomicity.h:35,
                 from /usr/include/c++/10/bits/ios_base.h:39,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from lamp.cpp:3:
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:102:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  102 | __gthrw(pthread_once)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:102:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:103:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  103 | __gthrw(pthread_getspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:103:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:104:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  104 | __gthrw(pthread_setspecific)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:104:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:106:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  106 | __gthrw(pthread_create)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:106:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:107:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  107 | __gthrw(pthread_join)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:107:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:108:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  108 | __gthrw(pthread_equal)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:108:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:109:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  109 | __gthrw(pthread_self)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:109:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:110:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  110 | __gthrw(pthread_detach)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:110:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:112:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  112 | __gthrw(pthread_cancel)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:112:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:114:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  114 | __gthrw(sched_yield)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:114:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:116:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  116 | __gthrw(pthread_mutex_lock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:116:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:117:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  117 | __gthrw(pthread_mutex_trylock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:117:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:119:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  119 | __gthrw(pthread_mutex_timedlock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:119:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:121:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  121 | __gthrw(pthread_mutex_unlock)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:121:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:122:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  122 | __gthrw(pthread_mutex_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:122:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:123:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  123 | __gthrw(pthread_mutex_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:123:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:125:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  125 | __gthrw(pthread_cond_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:125:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:126:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  126 | __gthrw(pthread_cond_broadcast)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:126:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:127:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  127 | __gthrw(pthread_cond_signal)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:127:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:128:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  128 | __gthrw(pthread_cond_wait)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:128:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:129:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  129 | __gthrw(pthread_cond_timedwait)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:129:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:130:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  130 | __gthrw(pthread_cond_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:130:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:132:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  132 | __gthrw(pthread_key_create)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:132:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:133:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  133 | __gthrw(pthread_key_delete)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:133:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:134:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  134 | __gthrw(pthread_mutexattr_init)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:134:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:135:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  135 | __gthrw(pthread_mutexattr_settype)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:135:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:136:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  136 | __gthrw(pthread_mutexattr_destroy)
      | ^~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:136:1: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:237:10: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  237 | __gthrw2(__gthrw_(__pthread_key_create),
      |          ^~~~~~~~
/usr/include/x86_64-linux-gnu/c++/10/bits/gthr-default.h:237:10: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:73:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   73 |   _GLIBCXX_GTHRW(rwlock_rdlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:73:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:74:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   74 |   _GLIBCXX_GTHRW(rwlock_tryrdlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:74:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:75:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   75 |   _GLIBCXX_GTHRW(rwlock_wrlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:75:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:76:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   76 |   _GLIBCXX_GTHRW(rwlock_trywrlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:76:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:77:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   77 |   _GLIBCXX_GTHRW(rwlock_unlock)
      |   ^~~~~~~~~~~~~~
/usr/include/c++/10/shared_mutex:77:3: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:91:4: error: attribute value 'arch=skylake' was already specified in 'target' attribute
   91 |    __gthrw(pthread_rwlock_timedrdlock);
      |    ^~~~~~~
/usr/include/c++/10/shared_mutex:91:4: error: attribute value 'arch=skylake' was already specified in 'target' attribute
/usr/include/c++/10/shared_mutex:101:4: error: attribute value 'arch=skylake' was already specified in 'target' attribute
  101 |    __gthrw(pthread_rwlock_timedwrlock);
      |    ^~~~~~~
/usr/include/c++/10/shared_mutex:101:4: error: attribute value 'arch=skylake' was already specified in 'target' attribute
lamp.cpp: In function 'void solve()':
lamp.cpp:22:48: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   22 |                         if (k1^(j1<2?j1:a[i+1])==b[i+1])
lamp.cpp:23:69: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   23 |                             upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf);