Submission #880386

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
8803862023-11-29 09:40:03alicanyazCommuter Pass (JOI18_commuter_pass)C++14
31 / 100
336 ms36252 KiB
#pragma GCC optimize("Ofast","unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ost;
#define endl "\n"
#define ll long long
#define ull unsigned long long
#define ld long double
#define pi pair<int,int>
#define pll pair<long long,long long>
#define vi vector<int>
#define vll vector<long long>
#define vpi vector<pair<int,int>>
#define vpll vector<pair<long long,long long>>
#define vvi vector<vector<int>>
#define vvll vector<vector<long long>>
#define vr vector<range<int>>
#define cd complex<double>
#define pb push_back
void frd(string s){
freopen((s+".in").c_str(),"r",stdin);
freopen((s+".out").c_str(),"w",stdout);
}
template<typename T>
struct matrix{
vector<T> mtx;
 
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Compilation message (stderr)

commuter_pass.cpp: In function 'void frd(std::string)':
commuter_pass.cpp:25:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     freopen((s+".in").c_str(),"r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
commuter_pass.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |     freopen((s+".out").c_str(),"w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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