Submission #298000

#TimeUsernameProblemLanguageResultExecution timeMemory
298000naderjemelCop and Robber (BOI14_coprobber)C++14
Compilation error
0 ms0 KiB
#include "coprobber.h" #include <vector> #include <set> using namespace std; vector<set<int>> kid; vector<vector<int>> adj; vector<int> path; int n,p,par,old=-1; void calc(int u, int p){ path.push_back(u); for(auto v:adj[u]){ if(v==p) continue; calc(v,u); } path.pop_back(); for(auto i:path){ kid[i].insert(u); } } int solve(int u, int p, int r) { for (auto v:adj[u]) { if (v == p) continue; printf("fun: %d %d\n",p,r); if (v == r) return r; if (kid[v].find(r) != kid[v].end()) return v; } } int start(int N, bool A[MAX_N][MAX_N]){ n=N; kid.resize(N+2,set<int>()); adj.resize(N+2,vector<int>()); for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ if(A[i][j]){ adj[i].push_back(j); adj[j].push_back(i); } } } calc(0,-1); return p=0; } int nextMove(int R) { printf("%d\n",p); par = old; old = p; p = solve(p,par,R); printf("%d %d\n",p,R); return p; }

Compilation message (stderr)

coprobber.cpp: In function 'int solve(int, int, int)':
coprobber.cpp:24:9: error: 'printf' was not declared in this scope
   24 |         printf("fun: %d %d\n",p,r);
      |         ^~~~~~
coprobber.cpp:4:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
    3 | #include <set>
  +++ |+#include <cstdio>
    4 | using namespace std;
coprobber.cpp: In function 'int nextMove(int)':
coprobber.cpp:47:5: error: 'printf' was not declared in this scope
   47 |     printf("%d\n",p);
      |     ^~~~~~
coprobber.cpp:47:5: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
coprobber.cpp: In function 'int solve(int, int, int)':
coprobber.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type]
   28 | }
      | ^