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View Compilation Error

0_0_38926015_29187.cpp: In function 'void solve(int)':
0_0_38926015_29187.cpp:28:28: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   28 |         printf("%.2lf",ans)<<endl;
      |         ~~~~~~~~~~~~~~~~~~~^~~~~~


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