Submission #1200103

#TimeUsernameProblemLanguageResultExecution timeMemory
1200103princeSeptember (APIO24_september)C++17
Compilation error
0 ms0 KiB
#include "bits/stdc++.h" using namespace std; vector<vector<int>>g; vector<bool>vis; set<int>st; void dfs(int u){ vis[u]=true; for(int v:g[u]){ if(!vis[v])st.insert(v),dfs(v); } } int solve(int n,int m,vector<int>&a,vector<vector<int>>&vol){ g.assign(n,{}); for(int i=0;i<n;i++){ if(a[i]>=0)g[a[i]].push_back(i); } int mn = 1e9; for(int j=0;j<m;j++){ st.clear(); vis.assign(n,false); int cnt=0; for(int i=0;i+1<n;i++){ int x = vol[j][i]; if(st.count(x))st.erase(x); else dfs(x); if(st.empty())cnt++; } mn=min(mn,cnt); } cout<<mn; }

Compilation message (stderr)

september.cpp: In function 'int solve(int, int, std::vector<int>&, std::vector<std::vector<int> >&)':
september.cpp:35:1: warning: no return statement in function returning non-void [-Wreturn-type]
   35 | }
      | ^
/usr/bin/ld: /tmp/cc5mojXY.o: in function `mtbpdhr2zxjo1o4i9oreohsbuzzl4s6u::taskcase()':
grader.cpp:(.text+0x50d): undefined reference to `solve(int, int, std::vector<int, std::allocator<int> >, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status