0_0_15003040_17770.cpp: In function 'int main()':
0_0_15003040_17770.cpp:8:2: error: 'cin' was not declared in this scope
cin>>T;
^
0_0_15003040_17770.cpp:41:3: error: 'cout' was not declared in this scope
cout<<sum<<endl;
^
0_0_15003040_17770.cpp:41:14: error: 'endl' was not declared in this scope
cout<<sum<<endl;
^
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