0_0_26315488_770.cpp: In function 'int main()':
0_0_26315488_770.cpp:6:5: error: 'n' was not declared in this scope
if(n!=0)
^
0_0_26315488_770.cpp:8:8: error: redeclaration of 'int n'
int n,m;
^
0_0_26315488_770.cpp:6:5: note: '<typeprefixerror>n' previously declared here
if(n!=0)
^
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