제출 #1072678

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1072678	2024-08-24 02:33:57	kym	Building Skyscrapers (CEOI19_skyscrapers)	C++14	0 / 100	3598 ms	25388 KiB

skyscrapers

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#include <bits/stdc++.h>
using namespace std;
#define int long long 
typedef pair<int,int>pi;
const int oo = 1'000'000'000'000'000'000ll;
int dx[]={0,1,1,1,0,-1,-1,-1};
int dy[]={1,1,0,-1,-1,-1,0,1};
vector<int>ord;
vector<int>cur;
map<pi,int>have;
map<pi,int>idx;
map<pi,int>vis;
void dfs(pi cc){
  vis[cc]=1;
  cur.push_back(idx[cc]);
  int x=cc.first,y=cc.second;
  for(int k=0;k<8;k++){
    int nx=x+dx[k];
    int ny=y+dy[k];
    if(have.find({nx,ny}) != have.end() && !vis[{nx,ny}]){
      dfs({nx,ny});
      return; 
    }
  }
}
vector<int>boundary(set<pi> S){
  vector<pi> X;
  for(auto x:S)X.push_back(x);
  sort(X.begin(),X.end(),[](pi x, pi y){
    if(x.first != y.first)return x.first<y.first;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

skyscrapers.cpp: In function 'void test()':
skyscrapers.cpp:63:16: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   63 |  if(ord.size() != n){
      |     ~~~~~~~~~~~^~~~
skyscrapers.cpp: In function 'int32_t main()':
skyscrapers.cpp:78:18: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   78 |  while(ord.size()<n){
      |        ~~~~~~~~~~^~

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