/in/foo.cc: In function 'int ninth(int, int)':
/in/foo.cc:29:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(i<=3&&j<=3)return 1;if(i<=3&&j<=6)return 2;if(i<=3)return 3;
     ^~
/in/foo.cc:29:28: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(i<=3&&j<=3)return 1;if(i<=3&&j<=6)return 2;if(i<=3)return 3;
                            ^~
/in/foo.cc:30:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(i<=6&&j<=3)return 4;if(i<=6&&j<=6)return 5;if(i<=6)return 6;
     ^~
/in/foo.cc:30:28: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(i<=6&&j<=3)return 4;if(i<=6&&j<=6)return 5;if(i<=6)return 6;
                            ^~
/in/foo.cc:31:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(j<=3)return 7;if(j<=6)return 8;return 9;
     ^~
/in/foo.cc:31:22: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(j<=3)return 7;if(j<=6)return 8;return 9;
                      ^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:72:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
                 if((i==3&&j==4&&k==1))flag1=1;if(i==4&&j==4&&k==9)flag2=1;
                 ^~
/in/foo.cc:72:47: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
                 if((i==3&&j==4&&k==1))flag1=1;if(i==4&&j==4&&k==9)flag2=1;
                                               ^~
/in/foo.cc:62:10: warning: variable 'flag1' set but not used [-Wunused-but-set-variable]
     bool flag1=0,flag2=0;
          ^~~~~
/in/foo.cc: In function 'int check(int, int)':
/in/foo.cc:40:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^