foo.cc: In function 'int main()':
foo.cc:10:32: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   10 |                 if(x%3==0||x==1&&c[1]-x!=1)
      |                            ~~~~^~~~~~~~~~~
foo.cc:10:37: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   10 |                 if(x%3==0||x==1&&c[1]-x!=1)
      |                                  ~~~^
foo.cc:5:21: note: while referencing 'c'
    5 |         int x,n,k=1,c[1];
      |                     ^
foo.cc:16:36: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   16 |                 else if(x%2==0&&c[1]-x!=1)
      |                                 ~~~^
foo.cc:5:21: note: while referencing 'c'
    5 |         int x,n,k=1,c[1];
      |                     ^
foo.cc:18:28: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   18 |                         c[1]=x;
      |                         ~~~^
foo.cc:5:21: note: while referencing 'c'
    5 |         int x,n,k=1,c[1];
      |                     ^
foo.cc:12:28: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   12 |                         c[1]=x;
      |                         ~~~^
foo.cc:5:21: note: while referencing 'c'
    5 |         int x,n,k=1,c[1];
      |                     ^
foo.cc:22:23: warning: array subscript 1 is above array bounds of 'int [1]' [-Warray-bounds]
   22 |                 if(c[1]-x==1)
      |                    ~~~^
foo.cc:5:21: note: while referencing 'c'
    5 |         int x,n,k=1,c[1];
      |                     ^

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