Submission #320622

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
320622	2020-11-09 09:29:53	vivaan_gupta	Discharging (NOI20_discharging)	C++14	100 / 100	374 ms	16612 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
 
using ll = long long;
using ld = long double;
using db = double; 
using str = string; // yay python!
using pi = pair<int,int>;
using pl = pair<ll,ll>;
using pd = pair<db,db>;
using vi = vector<int>;
using vb = vector<bool>;
using vl = vector<ll>;
using vd = vector<db>; 
using vs = vector<str>;
using vpi = vector<pi>;
using vpl = vector<pl>; 
using vpd = vector<pd>;
#define tcT template<class T
// ^ lol this makes everything look weird but I'll try it
tcT> using V = vector<T>; 
tcT, size_t SZ> using AR = array<T,SZ>; 
// pairs
#define mp make_pair
#define f first
#define s second
 
 
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Compilation message (stderr)

Discharging.cpp: In member function 'std::set<ConvexHullDynamic::Line>::iterator ConvexHullDynamic::updateLeftBorder(std::set<ConvexHullDynamic::Line>::iterator)':
Discharging.cpp:261:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  261 |         if(isMax && !hasPrev(it) || !isMax && !hasNext(it))
      |            ~~~~~~^~~~~~~~~~~~~~~
Discharging.cpp: In member function 'void ConvexHullDynamic::addLine(ll, ll)':
Discharging.cpp:281:22: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  281 |             if(isMax && it->b<b || !isMax && it->b>b)
      |                ~~~~~~^~~~~~~~~~
Discharging.cpp: In function 'void setIn(str)':
Discharging.cpp:182:28: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  182 | void setIn(str s) { freopen(s.c_str(),"r",stdin); }
      |                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
Discharging.cpp: In function 'void setOut(str)':
Discharging.cpp:183:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
  183 | void setOut(str s) { freopen(s.c_str(),"w",stdout); }
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
Discharging.cpp: In member function 'bool ConvexHullDynamic::Line::operator<(const ConvexHullDynamic::Line&) const':
Discharging.cpp:234:9: warning: control reaches end of non-void function [-Wreturn-type]
  234 |         }
      |         ^

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 11 / 11
• Subtask 5: 14 / 14
• Subtask 6: 28 / 28