제출 #27888

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
27888	2017-07-14 11:06:45	suhgyuho_william	Port Facility (JOI17_port_facility)	C++14	0 / 100	0 ms	26436 KiB

port_facility

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#include <bits/stdc++.h>
#define lld long long
#define pii pair<int,int>
#define pll pair<lld,lld>
#define pb push_back
#define next nextt
#define left leftt
#define right rightt
#define Inf 1000000000
#define Linf 1000000000000000000LL
#define Mod 1000000007LL
using namespace std;
int N; lld ans,inv;
struct data{
  int x,y;
  bool operator < (const data &cmp) const{
    if(x != cmp.x) return x < cmp.x;
    return y < cmp.y;
  }
}a[2000002],in[1000002];
bool check[1000002];
void dfs(int x){
  check[x] = true;
  for(int i=x+1; i<=N; i++){
    if(check[i]) continue;
    if(a[x].x < a[i].x && a[i].x < a[x].y && a[x].y < a[i].y) dfs(i);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

port_facility.cpp: In function 'int main()':
port_facility.cpp:39:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N); ans = 1;
                ^
port_facility.cpp:41:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&a[i].x,&a[i].y);
                                 ^

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