제출 #539300

#제출 시각아이디문제언어결과실행 시간메모리
539300LoboCats or Dogs (JOI18_catdog)C++17
컴파일 에러
0 ms0 KiB
#include "catdog.h" #include<bits/stdc++.h> using namespace std; const long long inf = (long long) 1e18 + 10; const int inf1 = (int) 1e9 + 10; #define int long long #define dbl long double #define endl '\n' #define sc second #define fr first #define mp make_pair #define pb push_back #define all(x) x.begin(), x.end() #define maxn 1010 int n, dp[maxn][3], ct[maxn], dg[maxn]; vector<int> g[maxn]; void dfs(int u, int ant) { //dp(u,0) = u é C //dp(u,1) = u é D if(ct[u] == 1) dp[u][0] = 0, dp[u][1] = inf; else if(dg[u] == 1) dp[u][0] = inf, dp[u][1] = 0; else dp[u][0] = 0, dp[u][1] = 0; for(auto v : g[u]) { if(v == ant) continue; dfs(v,u); dp[u][0]+= min(dp[v][0],1+dp[v][1]); dp[u][1]+= min(dp[v][1],1+dp[v][0]); } } int cat(int v) { ct[v] = 1; dfs(1,1); return min(dp[1][0],dp[1][1]); } int dog(int v) { dg[v] = 1; dfs(1,1); return min(dp[1][0],dp[1][1]); } int neighbor(int v) { ct[v] = 0; dg[v] = 0; dfs(1,1); return min(dp[1][0],dp[1][1]); } void Initialize(int N, vector<int> A, vector<int> B) { n = N; for(int i = 0; i < n-1; i++) { g[A[i]].pb(B[i]); g[B[i]].pb(A[i]); } } // int32_t main() { // // ios::sync_with_stdio(false); cin.tie(0); // freopen("in.in", "r", stdin); // // freopen("out.out", "w", stdout); // int N; cin >> N; // int A[N-1], B[N-1]; // for(int i = 0; i < N-1; i++) { // cin >> A[i] >> B[i]; // } // Initialize(N,A,B); // int Q; cin >> Q; // while(Q--) { // int op,v; // cin >> op >> v; // if(op == 1) cout << cat(v) << endl; // if(op == 2) cout << dog(v) << endl; // if(op == 3) cout << neighbor(v) << endl; // } // }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccFhibBX.o: in function `main':
grader.cpp:(.text.startup+0x1e2): undefined reference to `initialize(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/usr/bin/ld: grader.cpp:(.text.startup+0x219): undefined reference to `neighbor(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x25e): undefined reference to `dog(int)'
/usr/bin/ld: grader.cpp:(.text.startup+0x269): undefined reference to `cat(int)'
collect2: error: ld returned 1 exit status