/in/foo.c: In function 'main':
/in/foo.c:28:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(j=0;j<m;j++)  //找出一行中所有的最大值存于b[]
   ^~~
/in/foo.c:38:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
    for(p=0;p<xi;p++)
    ^~~