foo.cc: In function 'int main()':
foo.cc:16:64: warning: left shift count >= width of type [-Wshift-count-overflow]
   16 |                         if(( ( (a>0&&b>0) || (a<0&&b<0)) && ((1<<32)-abs(a))%abs(b)==0) || ( ( (a<0&&b>0) || (a>0&&b<0)) && ((1<<32)+abs(a)+1)%abs(b)==0))
      |                                                               ~^~~~
foo.cc:16:128: warning: left shift count >= width of type [-Wshift-count-overflow]
   16 |                         if(( ( (a>0&&b>0) || (a<0&&b<0)) && ((1<<32)-abs(a))%abs(b)==0) || ( ( (a<0&&b>0) || (a>0&&b<0)) && ((1<<32)+abs(a)+1)%abs(b)==0))
      |                                                                                                                               ~^~~~

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