Submission #210853

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
210853	2020-03-18 21:38:13	Lawliet	Building Skyscrapers (CEOI19_skyscrapers)	C++17	54 / 100	757 ms	51560 KiB

skyscrapers

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#include <bits/stdc++.h>
 
using namespace std;
typedef pair<int,int> pii;
 
const int MAXN = 150010;
 
int dx[] = { 0 , 0 , 1 , -1 , 1 , -1 , 1 , -1 };
int dy[] = { 1 , -1 , 0 , 0 , 1 , 1 , -1 , -1 };
 
int n, t;
 
pii v[MAXN];
 
vector< int > ans;
 
map< pii , int > ind;
map< pii , bool > marc;
 
void topologicalSorting(int iniX, int iniY)
{
  set< pii > s;
 
  s.insert( { iniX , iniY } );
  marc[ { iniX , iniY } ] = true;
 
  while( !s.empty() )
  {
    int curX = s.begin()->first;
    int curY = s.begin()->second;
 
 
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Compilation message (stderr)

skyscrapers.cpp: In function 'int main()':
skyscrapers.cpp:69:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if( ans.size() != n )
      ~~~~~~~~~~~^~~~
skyscrapers.cpp:77:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0 ; i < ans.size() ; i++)
                  ~~^~~~~~~~~~~~
skyscrapers.cpp:51:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&t);
  ~~~~~^~~~~~~~~~~~~~~
skyscrapers.cpp:56:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x,&y);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 12 / 12
• Subtask 4: 0 / 17
• Subtask 5: 20 / 20
• Subtask 6: 0 / 10
• Subtask 7: 0 / 19