제출 #1119164

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1119164	2024-11-26 16:49:08	Master	Reconstruction Project (JOI22_reconstruction)	C++17	0 / 100	46 ms	50512 KiB

reconstruction

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#include <bits/stdc++.h>
#define int long long
#define ll long long
#define fi first
#define se second
#define pb push_back
#define all(lmao) lmao.begin(), lmao.end()
 
using namespace std;
 
typedef pair<ll, ll> pii;
 
const int N = 1e5 + 5;
const int M = 1e6 + 5;
 
struct _edge{
  int a, b, c;
} h[N];
 
int n, m, q, W[M];
 
int nxt[N], wt[N], sz[N], pa[N], cnt, demin, in[N], en[N];
bool flag[N];
vector<int> edge;
vector<pair<int,int>> p[N];
 
int fin(int u){ return pa[u] == u ? u : pa[u] = fin(pa[u]);}
 
void dsu(int x,int y){
  x = fin(x);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

reconstruction.cpp: In function 'long long int add(long long int, long long int, long long int)':
reconstruction.cpp:71:1: warning: no return statement in function returning non-void [-Wreturn-type]
   71 | }
      | ^
reconstruction.cpp: In function 'int main()':
reconstruction.cpp:87:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |     freopen(task ".inp","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
reconstruction.cpp:88:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |     freopen(task ".out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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