View Compilation Error

1_556_1325_7038.cpp: In function `int main()':
1_556_1325_7038.cpp:28: error: expected `;' before ')' token
1_556_1325_7038.cpp:31: error: `sort' undeclared (first use this function)
1_556_1325_7038.cpp:31: error: (Each undeclared identifier is reported only once for each function it appears in.)
1_556_1325_7038.cpp:33: error: expected `;' before ')' token