제출 #718320

#제출 시각아이디문제언어결과실행 시간메모리
718320bebraSplit the Attractions (IOI19_split)C++17
컴파일 에러
0 ms0 KiB
// #include "split.h" #include <bits/stdc++.h> using namespace std; using ll = long long; #define dbg(x) cerr << #x << ": " << x << endl; const int MAX_N = 1e5 + 5; vector<int> g[MAX_N]; int color[MAX_N]; bool block[MAX_N]; int sz[MAX_N]; int n; int order_color[3]; int order[3]; bool found = false; void dfs_color(int v, int p, int c, int& cnt) { if (cnt == 0) { return; } --cnt; color[v] = c; for (auto u : g[v]) { if (u == p || block[u]) continue; dfs_color(u, v, c, cnt); } } void dfs_calc(int v = 0, int p = -1) { sz[v] = 1; for (auto u : g[v]) { if (u == p) continue; dfs_calc(u, v); sz[v] += sz[u]; if (found) return; } if (sz[v] >= order[0] && n - sz[v] >= order[1]) { block[v] = true; found = true; int curr_cnt1 = order[0]; int curr_cnt2 = order[1]; dfs_color(v, -1, order_color[0], curr_cnt1); dfs_color(0, -1, order_color[1], curr_cnt2); return; } if (sz[v] >= order[1] && n - sz[v] >= order[0]) { block[v] = true; found = true; int curr_cnt1 = order[0]; int curr_cnt2 = order[1]; dfs_color(v, -1, order_color[1], curr_cnt2); dfs_color(0, -1, order_color[0], curr_cnt1); return; } } vector<int> find_split(int _n, int a, int b, int c, vector<int> p, vector<int> q) { n = _n; int m = p.size(); for (int i = 0; i < m; ++i) { int u = p[i]; int v = q[i]; g[u].push_back(v); g[v].push_back(u); } order[0] = a; order[1] = b; order[2] = c; order_color[0] = 1; order_color[1] = 2; order_color[2] = 3; sort(order_color, order_color + 3, [&](int lhs, int rhs) { return order[lhs - 1] < order[rhs - 1]; }); sort(order, order + 3); fill_n(color, n, order_color[2]); dfs_calc(); vector<int> res(n); for (int i = 0; i < n; ++i) { res[i] = color[i]; } return res; } int main() { int m; cin >> n >> m; int a, b, c; cin >> a >> b >> c; vector<int> p(m), q(m); for (int i = 0; i < m; ++i) { cin >> p[i] >> q[i]; } for (auto x : find_split(n, a, b, c, p, q)) { cout << x << ' '; } cout << '\n'; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccD4S5Ds.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccClXXvs.o:split.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status