View Compilation Error

0_0_11528693_12926.cpp: In function `void insert(int, int, int, int)':
0_0_11528693_12926.cpp:21: error: a function-definition is not allowed here before '{' token
0_0_11528693_12926.cpp:21: error: expected `,' or `;' before '{' token
0_0_11528693_12926.cpp:49: error: expected `}' at end of input