USACO Mother's Milk
2014-08-13 22:09
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/* ID: jinusac1 PROG: milk3 LANG: C++ */ #include <iostream> #include <cstdio> using namespace std; bool r[30]={false},ss[203000]={false}; int A,B,C; void dfs(int a,int b,int c) { int num=a*10000+b*100+c; if(ss[num]) return ; ss[num]=true; if(!a) r[c]=true; if(a){ if(a>(B-b)) dfs(a-B+b,B,c); else dfs(0,b+a,c); if(a>(C-c)) dfs(a-C+c,b,C); else dfs(0,b,c+a); } if(b){ if(b>(A-a)) dfs(A,b-A+a,c); else dfs(a+b,0,c); if(b>(C-c)) dfs(a,b-C+c,C); else dfs(a,0,c+b); } if(c){ if(c>(A-a)) dfs(A,b,c-A+a); else dfs(a+c,b,0); if(c>(B-b)) dfs(a,B,c-B+b); else dfs(a,b+c,0); } } int main() { cin>>A>>B>>C; dfs(0,0,C); for(int i=0;i<C;i++) if(r[i]) cout<<i<<" "; cout<<C<<endl; return 0; }
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