Submission #463784

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
4637842021-08-11 18:06:18EntropyXKnapsack (NOI18_knapsack)C++17
100 / 100
69 ms15664 KiB
#include<bits/stdc++.h>
#define _ ios_base::sync_with_stdio(0);cin.tie(0);
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define iiordered_set tree<pll, null_type,less<pll>, rb_tree_tag,tree_order_statistics_node_update>
using namespace std;
//Bit Functions
#define gcd __gcd
#define lsb __builtin_ffs
#define ldz __builtin_clz
#define tlz __builtin_ctz
#define stc __builtin_popcount
#define prtb(n) cout << bitset<20>(n) << "\n";
//Debugging
#define error(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); }
#define what_is(x) cerr << #x << " is " << x << endl;
void err(istream_iterator<string> it) {}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
cerr << *it << " = " << a << endl;
err(++it, args...);
}
//STL Declarations
 
 
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Compilation message (stderr)

In file included from /usr/include/c++/10/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:45,
                 from /usr/include/c++/10/ext/pb_ds/detail/container_base_dispatch.hpp:90,
                 from /usr/include/c++/10/ext/pb_ds/assoc_container.hpp:48,
                 from knapsack.cpp:4:
knapsack.cpp: In function 'std::vector<std::vector<long long int> > matmul(const std::vector<std::vector<long long int> >&, const std::vector<std::vector<long long int> >&, ll)':
knapsack.cpp:111:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |     assert(m==b.size());
      |            ~^~~~~~~~~~
knapsack.cpp: In function 'void setIO(std::string)':
knapsack.cpp:166:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  166 |     freopen((s+".in").c_str(),"r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
knapsack.cpp:167:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  167 |     freopen((s+".out").c_str(),"w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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