/in/foo.cc: In function 'void solve()':
/in/foo.cc:26:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   for(int j=a[i].s;j<=a[i].e;j++)  //从前面开始扫描 
   ^~~
/in/foo.cc:29:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     if(k==a[i].v) continue;
     ^~