제출 #151439

#제출 시각아이디문제언어결과실행 시간메모리
151439beso123Split the Attractions (IOI19_split)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> #define int long long using namespace std; int m,zx,z,x,d,e,used[100009],ka[10],la[100009]; vector <int> pas,g[100009]; void DFS(int v){ if(ka[zx]==0) return; used[v]=1; pas[v]=zx; ka[zx]--; if(ka[zx]==0) return; for(vector <int>::iterator it=g[v].begin(); it!=g[v].end(); it++){ if(used[(*it)]==1){ DFS((*it)); if(ka[zx]==0) return; } } } void DFS1(int v){ if(ka[zx]==0) return; used[v]=1; pas[v]=zx; ka[zx]--; if(ka[zx]==0) return; for(vector <int>::iterator it=g[v].begin(); it!=g[v].end(); it++){ if(used[(*it)]==1) continue; DFS1((*it)); if(ka[zx]==0) return; } } vector <int> find_split(int n, int a, int b, int c, vector <int> p, vector <int> q){ pas.resize(n); ka[1]=a; ka[2]=b; ka[3]=c; zx=0; m=p.size(); for(int k=0;k<q.size();k++){ g[p[k]].push_back(q[k]); g[q[k]].push_back(p[k]); } if(a!=1){ zx=0; for(int k=0;k<n;k++){ if(g[k].size()!=1) continue; if(used[k]==0){ zx++; DFS(k); } } if(zx!=0){ for(int k=0;k<n;k++) if(pas[k]==0) pas[k]=3; } else{ zx=0; for(int k=0;k<n;k++){ if(used[k]==0){ zx++; DFS(k); break; } } for(int k=0;k<n;k++){ if(used[k]==1){ for(vector <int>::iterator it=g[k].begin();it!=g[k].end(); it++){ if(used[(*it)]==1) continue; zx++; DFS((*it)); break; } if(zx==2) break; } } for(int k=0;k<n;k++){ if(used[k]==0){ zx++; DFS(k); break; } } } }else{ zx=2; DFS1(0); for(int k=0;k<n;k++){ if(pas[k]==0){ pas[k]=1; break; } } for(int k=0;k<n;k++) if(pas[k]==0) pas[k]=3; } return pas; } /*main(){ vector <int> v=find_split(9, 4, 2, 3, {0, 0, 0, 0, 0, 0, 1, 3, 4, 5}, {1, 2, 3, 4, 6, 8, 7, 7, 5, 6}); for(auto i : v) cout<<i<<' '; return 0; }*/

컴파일 시 표준 에러 (stderr) 메시지

split.cpp: In function 'std::vector<long long int> find_split(long long int, long long int, long long int, long long int, std::vector<long long int>, std::vector<long long int>)':
split.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int k=0;k<q.size();k++){
              ~^~~~~~~~~
/tmp/ccovvboZ.o: In function `main':
grader.cpp:(.text.startup+0x27a): undefined reference to `find_split(int, int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status