View Compilation Error

0_0_8693621_29458.cpp: In function `int main()':
0_0_8693621_29458.cpp:53: error: `inser' undeclared (first use this function)
0_0_8693621_29458.cpp:53: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8693621_29458.cpp:76: error: `j' undeclared (first use this function)