View Compilation Error

0_0_25494974_21602.cpp:76:5: error: redefinition of 'int n'
 int n = 47;
     ^
0_0_25494974_21602.cpp:11:5: note: 'int n' previously defined here
 int n=47;
     ^
0_0_25494974_21602.cpp: In function 'int main()':
0_0_25494974_21602.cpp:78:5: error: redefinition of 'int main()'
 int main()
     ^
0_0_25494974_21602.cpp:12:5: note: 'int main()' previously defined here
 int main(){
     ^