제출 #848645

#제출 시각아이디문제언어결과실행 시간메모리
848645efedmrlr경주 (Race) (IOI11_race)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define n_l '\n' #define dbg(...) cout << "[" << #__VA_ARGS__ << "]: "; cout << to_string(__VA_ARGS__) << endl template <typename T, size_t N> int SIZE(const T (&t)[N]){ return N; } template<typename T> int SIZE(const T &t){ return t.size(); } string to_string(const string s, int x1=0, int x2=1e9){ return '"' + ((x1 < s.size()) ? s.substr(x1, x2-x1+1) : "") + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(const bool b) { return (b ? "true" : "false"); } string to_string(const char c){ return string({c}); } template<size_t N> string to_string(const bitset<N> &b, int x1=0, int x2=1e9){ string t = ""; for(int __iii__ = min(x1,SIZE(b)), __jjj__ = min(x2, SIZE(b)-1); __iii__ <= __jjj__; ++__iii__){ t += b[__iii__] + '0'; } return '"' + t + '"'; } template <typename A, typename... C> string to_string(const A (&v), int x1=0, int x2=1e9, C... coords); int l_v_l_v_l = 0, t_a_b_s = 0; template <typename A, typename B> string to_string(const pair<A, B> &p) { l_v_l_v_l++; string res = "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; l_v_l_v_l--; return res; } template <typename A, typename... C> string to_string(const A (&v), int x1, int x2, C... coords) { int rnk = rank<A>::value; string tab(t_a_b_s, ' '); string res = ""; bool first = true; if(l_v_l_v_l == 0) res += n_l; res += tab + "["; x1 = min(x1, SIZE(v)), x2 = min(x2, SIZE(v)); auto l = begin(v); advance(l, x1); auto r = l; advance(r, (x2-x1) + (x2 < SIZE(v))); for (auto e = l; e != r; e = next(e)) { if (!first) { res += ", "; } first = false; l_v_l_v_l++; if(e != l){ if(rnk > 1) { res += n_l; t_a_b_s = l_v_l_v_l; }; } else{ t_a_b_s = 0; } res += to_string(*e, coords...); l_v_l_v_l--; } res += "]"; if(l_v_l_v_l == 0) res += n_l; return res; } void dbgm(){;} template<typename Heads, typename... Tails> void dbgm(Heads H, Tails... T){ cout << to_string(H) << " | "; dbgm(T...); } #define dbgm(...) cout << "[" << #__VA_ARGS__ << "]: "; dbgm(__VA_ARGS__); cout << endl #define int long long int #define MP make_pair #define pb push_back #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++) #include "race.h" const double EPS = 0.00001; const int INF = 1e9+500; const int ALPH = 26; const int MOD = 1e9+7; const int M = 1e6+5; int n,m,q, k; int cnt[M]; int ans = INF; vector<int> vis, subt; vector<vector<array<int,2> > > adj; vector<int> centers; void subtdfs(int node, int par) { subt[node] = 1; for(auto c : adj[node]) { if(c[0] == par) continue; if(vis[c[0]]) continue; subtdfs(c[0], node); subt[node] += subt[c[0]]; } } int cdfs(int node, int par, int sz) { for(auto c : adj[node]) { if(c[0] == par) continue; if(vis[c[0]]) continue; if(subt[c[0]] > sz/2) { return cdfs(c[0], node, sz); } } return node; } void find_centroids() { subtdfs(1, 0); int tmp = cdfs(1, 0, subt[1]); centers.pb(tmp); int ind = 0; vis[tmp] = 1; centers.pb(-1); while(ind < centers.size()-1) { if(centers[ind] == -1) { centers.pb(-1); ind++; continue; } for(auto c : adj[centers[ind]]) { if(vis[c[0]]) continue; subtdfs(c[0], 0); if(subt[c[0]] < 2) continue; tmp = cdfs(c[0], 0, subt[c[0]]); vis[tmp] = 1; centers.pb(tmp); } ind++; } } void dfs(int node ,int par, int cost, int leng) { if(leng > k) return; cnt[leng] = min(cnt[leng], cost); for(auto c : adj[node]) { if(c[0] == par) continue; if(vis[c[0]]) continue; dfs(c[0], node, cost + 1, leng + c[1]); } } void dfs2(int node, int par, int cost, int leng) { if(leng > k) return; ans = min(ans ,cnt[k - leng] + cost); for(auto c : adj[node]) { if(c[0] == par) continue; if(vis[c[0]]) continue; dfs2(c[0], node, cost + 1, leng + c[1]); } } void find_paths() { for(int j = 0; j<k+1; j++) { cnt[j] = INF; } cnt[0] = 0; vis.clear(); vis.resize(n+1); for(auto i : centers) { if(i == -1) { for(int j = 0; j<k+1; j++) { cnt[j] = INF; } cnt[0] = 0; continue; } vis[i] = 1; for(auto c : adj[i]) { dfs2(c[0], i, 1, c[1]); dfs(c[0], i, 1, c[1]); } } } int best_path(int N, int K, int H[][2], int L[]) { n = N; adj.resize(n+1); subt.resize(n+1); vis.resize(n+1,0); k = K; for(int i = 0; i<n-1; i++) { H[i][0]++; H[i][1]++; adj[H[i][0]].pb({H[i][1], L[i]}); adj[H[i][1]].pb({H[i][0], L[i]}); } find_centroids(); find_paths(); if(ans == INF) ans = -1; return ans; }

컴파일 시 표준 에러 (stderr) 메시지

race.cpp: In function 'std::string to_string(std::string, int, int)':
race.cpp:6:208: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 | template <typename T, size_t N> int SIZE(const T (&t)[N]){ return N; } template<typename T> int SIZE(const T &t){ return t.size(); } string to_string(const string s, int x1=0, int x2=1e9){ return '"' + ((x1 < s.size()) ? s.substr(x1, x2-x1+1) : "") + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(const bool b) { return (b ? "true" : "false"); } string to_string(const char c){ return string({c}); } template<size_t N> string to_string(const bitset<N> &b, int x1=0, int x2=1e9){ string t = ""; for(int __iii__ = min(x1,SIZE(b)),  __jjj__ = min(x2, SIZE(b)-1); __iii__ <= __jjj__; ++__iii__){ t += b[__iii__] + '0'; } return '"' + t + '"'; } template <typename A, typename... C> string to_string(const A (&v), int x1=0, int x2=1e9, C... coords); int l_v_l_v_l = 0, t_a_b_s = 0; template <typename A, typename B> string to_string(const pair<A, B> &p) { l_v_l_v_l++; string res = "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; l_v_l_v_l--; return res; } template <typename A, typename... C> string to_string(const A (&v), int x1, int x2, C... coords) { int rnk = rank<A>::value; string tab(t_a_b_s, ' '); string res = ""; bool first = true; if(l_v_l_v_l == 0) res += n_l; res += tab + "["; x1 = min(x1, SIZE(v)), x2 = min(x2, SIZE(v)); auto l = begin(v); advance(l, x1); auto r = l; advance(r, (x2-x1) + (x2 < SIZE(v))); for (auto e = l; e != r; e = next(e)) { if (!first) { res += ", "; } first = false; l_v_l_v_l++; if(e != l){ if(rnk > 1) { res += n_l; t_a_b_s = l_v_l_v_l; }; } else{ t_a_b_s = 0; } res += to_string(*e, coords...); l_v_l_v_l--; } res += "]"; if(l_v_l_v_l == 0) res += n_l; return res; } void dbgm(){;} template<typename Heads, typename... Tails> void dbgm(Heads H, Tails... T){ cout << to_string(H) << " | "; dbgm(T...); }
      |                                                                                                                                                                                                             ~~~^~~~~~~~~~
race.cpp: In function 'void find_centroids()':
race.cpp:55:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |   while(ind < centers.size()-1) {
      |         ~~~~^~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccj057Dg.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