제출 #1165847

#제출 시각아이디문제언어결과실행 시간메모리
1165847antonn밀림 점프 (APIO21_jumps)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #define F first #define S second using namespace std; using ll = long long; using pi = pair<int, int>; using vi = vector<int>; template<class T> bool ckmin(T& a, T b) { return b < a ? a = b, true : false; } template<class T> bool ckmax(T& a, T b) { return a < b ? a = b, true : false; } const int N = 2e3 + 7; const int L = 20; int l[N], r[N], to[N], dist[N][N], vis[N]; vector<pi> g[N]; void add_edge(int a, int b, int c) { g[a].push_back({b, c}); } void init(int n, vector<int> h) { vector<int> stk; for (int i = n; i >= 1; --i) { while (!stk.empty() && h[i - 1] > h[stk.back() - 1]) stk.pop_back(); if (!stk.empty()) r[i] = stk.back(); if (stk.empty()) r[i] = n + 1; stk.push_back(i); } stk.clear(); for (int i = 1; i <= n; ++i) { while (!stk.empty() && h[i - 1] > h[stk.back() - 1]) stk.pop_back(); if (!stk.empty()) l[i] = stk.back(); if (stk.empty()) l[i] = 0; stk.push_back(i); } for (int i = 1; i <= n; ++i) { if (r[i] == n + 1) { to[i] = l[i]; continue; } if (l[i] == 0) { to[i] = r[i]; continue; } if (r[i] < r[l[i]]) { to[i] = l[i]; } else { to[i] = r[i]; } } for (int i = 1; i <= n; ++i) { if (r[i] != n + 1) add_edge(i, r[i], 1); int j = i, cost = 0; while (to[j] < j) j = to[j], ++cost; if (j != i) add_edge(i, to[j], cost + 1); } for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) dist[i][j] = 1e9, vis[j] = 0; priority_queue<pi> pq; dist[i][i] = 0; pq.push({0, i}); while (!pq.empty()) { int u = pq.top().S; pq.pop(); if (vis[u] == 1) continue; vis[u] = 1; for (auto [v, c] : g[u]) { if (dist[i][u] + c < dist[i][v]) { dist[i][v] = dist[i][u] + c; pq.push({-dist[i][v], v}); } } } } }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccPYdiUN.o: in function `main':
stub.cpp:(.text.startup+0x1b1): undefined reference to `minimum_jumps(int, int, int, int)'
collect2: error: ld returned 1 exit status