foo.c: In function 'shu':
foo.c:7:10: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    7 |   if(i>=n&&n!=1||n==2)
      |      ~~~~^~~~~~
foo.c: In function 'main':
foo.c:27:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long int *' [-Wformat=]
   27 |  scanf("%d",&n);
      |         ~^  ~~
      |          |  |
      |          |  long int *
      |          int *
      |         %ld
foo.c:27:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   27 |  scanf("%d",&n);
      |  ^~~~~~~~~~~~~~

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