/in/foo.cc: In function 'double work()':
/in/foo.cc:69:84: error: 'p' was not declared in this scope
       f[i][j][0]=min(f[i-1][j][0]+dis[c[i-1]][c[i]],f[i-1][j][1]+dis[d[i-1]][c[i]]*p[i-1]+dis[c[i-1]][c[i]]*(1.0-p[i-1]));
                                                                                    ^
/in/foo.cc:77:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (int i=1;i<=m;i++) 
  ^~~
/in/foo.cc:79:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    return ans;
    ^~~~~~