foo.cc: In function 'int main()':
foo.cc:23:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |                         if(t[i]>=65&&t[i]<=90||t[i]>=97&&t[i]<=122)
foo.cc:25:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   25 |                                 if(t[i]<=90&&t[i]+x>90||t[i]>=97&&t[i]+x>122) t[i]-=26;
foo.cc:7:31: warning: variable 'change' set but not used [-Wunused-but-set-variable]
    7 |         int x=0,count,len,i,j,change=0;
      |                               ^~~~~~

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