Submission #447589

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
447589	2021-07-27 05:03:33	eddieee	Poi (IOI09_poi)	C++17	100 / 100	379 ms	12148 KiB

poi

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
using str = string;
using vi = vector<int>;
using vb = vector<bool>;
using vl = vector<ll>;
using vd = vector<ld>; 
using vs = vector<str>;
using vc = vector<char>;
using vvi = vector<vi>;
using vvc = vector<vc>;
#define pb push_back
#define pob pop_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define si set<int>
#define sl set<ll>
#define sb set<bool>
#define sc set<char>
#define ff first
#define ss second
#define sf scanf
#define pf printf
#define mii map<int,int>
#define msi map<str,int>
#define mis map<int,str>
 
 
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Compilation message (stderr)

poi.cpp: In function 'void inoutio(str)':
poi.cpp:49:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |     freopen((s + ".in").c_str(), "r" , stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:50:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |     freopen((s + ".out")    .c_str(), "w" , stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp: In function 'void txtio(str, str)':
poi.cpp:54:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |     freopen(inf.c_str(), "r" , stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:55:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |     freopen(ouf.c_str(), "w" , stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100