/in/foo.cc: In function 'bool isdate(int, int, int)':
/in/foo.cc:22:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if(y>=1&&y<=29) return true;break;
     ^~
/in/foo.cc:22:33: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
     if(y>=1&&y<=29) return true;break;
                                 ^~~~~
/in/foo.cc:25:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
    if(y>=1&&y<=28) return true;break;
    ^~
/in/foo.cc:25:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
    if(y>=1&&y<=28) return true;break;
                                ^~~~~
/in/foo.cc:24:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation]
    else
    ^~~~
/in/foo.cc:25:32: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else'
    if(y>=1&&y<=28) return true;break;
                                ^~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:42:12: warning: unused variable 't2' [-Wunused-variable]
  int t1[5],t2[5];
            ^~