Submission #47868

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47868	2018-05-08 09:45:34	Extazy	Building Bridges (CEOI17_building)	C++17	100 / 100	223 ms	20912 KiB

building

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#include <bits/stdc++.h>
#define endl '\n'
 
using namespace std;
 
const int N = 100007;
const double EPS = 0.0000001;
struct dynamic_convex_hull_trick {
  struct line {
    long long a,b;
    
    line(){}
    line(long long x, long long y): a(x), b(y) {}
 
    bool operator <(const line &x) const {
      return a==x.a ? b<x.b : a<x.a;
    }
  };
 
  struct cross_t {
    double x;
    line l;
    cross_t(){}
    cross_t(double a, line b): x(a), l(b) {}
    bool operator <(const cross_t &a) const {
      return fabs(x-a.x)<=EPS ? false : x<a.x;
    }
 
 
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Compilation message (stderr)

building.cpp: In function 'int main()':
building.cpp:172:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
building.cpp:174:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &h[i]);
     ~~~~~^~~~~~~~~~~~~
building.cpp:177:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &w[i]);
     ~~~~~^~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40