View Compilation Error

0_0_3335271_5134.cpp: In function `int main()':
0_0_3335271_5134.cpp:12: error: `b' undeclared (first use this function)
0_0_3335271_5134.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3335271_5134.cpp:13: error: `j1' undeclared (first use this function)
0_0_3335271_5134.cpp:13: error: invalid conversion from `int' to `const char*'
0_0_3335271_5134.cpp:13: error:   initializing argument 1 of `size_t strlen(const char*)'
0_0_3335271_5134.cpp:14: error: `j2' undeclared (first use this function)
0_0_3335271_5134.cpp:14: error: invalid conversion from `int' to `const char*'
0_0_3335271_5134.cpp:14: error:   initializing argument 1 of `size_t strlen(const char*)'