Submission #420412

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
420412	2021-06-08 10:54:58	Pyqe	Autobahn (COI21_autobahn)	C++14	100 / 100	112 ms	15996 KiB

autobahn

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#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define fr first
#define sc second
const long long inf=1e18;
long long n,m,d,ps[2][400069];
pair<long long,pair<long long,long long>> a[400069];
int main()
{
  long long i,ii,k,l,w,c[2]={0,0},e,p,z=0;
  
  scanf("%lld%lld%lld",&n,&m,&d);
  for(i=1;i<=n;i++)
  {
    scanf("%lld%lld%lld",&k,&w,&l);
    a[i*4-3]={k-1,{0,1}};
    a[i*4-2]={k+w-1,{1,1}};
    a[i*4-1]={l,{0,-1}};
    a[i*4]={l,{1,-1}};
  }
  sort(a+1,a+n*4+1);
  for(i=1;i<=n*4;i++)
  {
    k=a[i].fr;
    e=a[i].sc.fr;
 
 
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Compilation message (stderr)

autobahn.cpp: In function 'int main()':
autobahn.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |  scanf("%lld%lld%lld",&n,&m,&d);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
autobahn.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   scanf("%lld%lld%lld",&k,&w,&l);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50