#include <iostream> #include <string.h> #include <vector> #include <map> #define ll long long #define INF 1000000000 using namespace std; int graph[25][25]; int N,M,MiN; int sum[25]; map<int,string> m; int main() { int t,kase=1; int a,b,c,res; string s; //cin>>t; while(cin>>N) { cin>>M; if(N==0 ) break; //mp.clear(); m.clear(); int x=1; for(int i=1;i<25;i++) { sum[i]=0; for(int j=1;j<25;j++) { graph[i][j]=INF; if(i==j)
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