foo.cc: In function 'int main()':
foo.cc:3:17: error: 'T' was not declared in this scope
     scanf("%d",&T);
                 ^
foo.cc:3:5: error: 'scanf' was not declared in this scope
     scanf("%d",&T);
     ^~~~~
foo.cc:4:9: error: 'ii' was not declared in this scope
     For(ii,1,T)
         ^~
foo.cc:4:5: error: 'For' was not declared in this scope
     For(ii,1,T)
     ^~~

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