제출 #291008

#제출 시각아이디문제언어결과실행 시간메모리
291008cheissmartOlympic Bus (JOI20_ho_t4)C++14
컴파일 에러
0 ms0 KiB
#include <iostream> #include <queue> #include <vector> #include <array> #pragma GCC optimize("Ofast") #define F first #define S second #define MP make_pair #define PB push_back #define EB emplace_back #define V vector #define ALL(v) (v).begin(), (v).end() using namespace std; typedef long long ll; typedef pair<int, int> pi; typedef V<int> vi; const int N = 1e5 + 7, INF = 1e9 + 7; int u[N], v[N], c[N], d[N], d1[N], d2[N], tmp[N], from[N], is1[N], is2[N], dd1[N], dd2[N], is11[N], is22[N]; int n, m; V<array<int, 3>> G[N], rG[N]; int vis[N]; void go(V<array<int, 3>>* G, int s, int* d, int no = -1) { for(int i = 1; i <= n; i++) d[i] = INF, vis[i] = 0; d[s] = 0; for(int i = 1; i <= n; i++) { int u = -1, mn = INF + 1; for(int j = 1; j <= n; j++) { if(!vis[j] && d[j] < mn) { mn = d[j]; u = j; } } for(auto e:G[u]) { int v = e[0], w = e[1]; if(e[2] == no) continue; if(d[u] + w < d[v]) { d[v] = d[u] + w; from[v] = e[2]; } } vis[u] = 1 } } int no1(int i, int u) { if(!is1[i]) return d1[u]; go(G, 1, tmp, i); return tmp[u]; } int no2(int i, int u) { if(!is2[i]) return d2[u]; go(G, n, tmp, i); return tmp[u]; } int no11(int i, int u) { if(!is11[i]) return dd1[u]; go(rG, 1, tmp, i); return tmp[u]; } int no22(int i, int u) { if(!is22[i]) return dd2[u]; go(rG, n, tmp, i); return tmp[u]; } signed main() { cin >> n >> m; for(int i = 0; i < m; i++) { cin >> u[i] >> v[i] >> c[i] >> d[i]; G[u[i]].PB({v[i], c[i], i}); rG[v[i]].PB({u[i], c[i], i}); } go(G, 1, d1); for(int i = 2; i <= n; i++) { if(d1[i] < INF) is1[from[i]] = 1; } go(G, n, d2); for(int i = 1; i < n; i++) { if(d2[i] < INF) is2[from[i]] = 1; } go(rG, 1, dd1); for(int i = 2; i <= n; i++) { if(dd1[i] < INF) is11[from[i]] = 1; } go(rG, n, dd2); for(int i = 1; i < n; i++) { if(dd2[i] < INF) is22[from[i]] = 1; } /* for(int i = 0; i < m; i++) if(is1[i]) cerr << i << " "; cerr << endl; for(int i = 0; i < m; i++) if(is2[i]) cerr << i << " "; cerr << endl; */ ll ans = d1[n] + d2[1]; for(int i = 0; i < m; i++) { int ans1 = min(no1(i, v[i]) + no22(i, u[i]) + c[i], no1(i, n)); int ans2 = min(no11(i, u[i]) + no2(i, v[i]) + c[i], no2(i, 1)); ans = min(ans, (ll) ans1 + ans2 + d[i]); } if(ans >= INF) ans = -1; cout << ans << endl; }

컴파일 시 표준 에러 (stderr) 메시지

ho_t4.cpp: In function 'void go(std::vector<std::array<int, 3> >*, int, int*, int)':
ho_t4.cpp:45:13: error: expected ';' before '}' token
   45 |   vis[u] = 1
      |             ^
      |             ;
   46 |  }
      |  ~