제출 #674238

#제출 시각아이디문제언어결과실행 시간메모리
674238mdub경주 (Race) (IOI11_race)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; struct Edge { int to; int weight; }; int n; int k; vector<vector<Edge>> g; vector<bool> seen; map<int, stack<int>> mp; vector<int> weights; int ans; void dfs(int iNode, int sum, int stage) { seen[iNode] = true; mp[sum].push(stage); if (!mp[sum- k].empty()) ans = min(ans, stage - mp[sum- k].top()); for (auto adj: g[iNode]) { if (!seen[adj.to]) { dfs(adj.to, sum+adj.weight, stage + 1); } } mp[sum].pop(); } int best_path(int n2, int k2, vector<vector<int>> h, vector<int> l) { n = n2; k = k2; g.resize(n); seen.assign(n, 0); ans = 1e9; for (int i = 0; i < n - 1; i++) { int n1 = h[i][0], n2 = h[i][1]; g[n1].push_back({n2, l[i]}); g[n2].push_back({n1, l[i]}); } dfs(0, 0, 0); return ans; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cckSyDsS.o: in function `main':
grader.cpp:(.text.startup+0x28): undefined reference to `best_path(int, int, int (*) [2], int*)'
collect2: error: ld returned 1 exit status