View Compilation Error

0_0_13375393_12344.cpp: In function 'void add(int)':
0_0_13375393_12344.cpp:14:8: error: 'j' was not declared in this scope
0_0_13375393_12344.cpp: In function 'int main()':
0_0_13375393_12344.cpp:31:7: error: 'i' was not declared in this scope
0_0_13375393_12344.cpp:34:20: error: 'i' was not declared in this scope