foo.cc:145:4: warning: "/*" within comment [-Wcomment]
  145 |  } /*
      |     
foo.cc: In function 'int main()':
foo.cc:274:18: warning: array subscript 0 is above array bounds of 'int [0]' [-Warray-bounds]
  274 |      cout<<S[i]<<" ";
      |                  ^~~
foo.cc:258:41: note: while referencing 'S'
  258 |     int ab=0,cd=0,i=0,n,A,B,count=0,k=0,S[0];
      |                                         ^

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