Code error

[TheHackingToaster]

When i try to compile the .cpp files it shows [{
"resource": "/c:/Users/User1/3D Objects/TrojanCockroach-master/com/minhaskamal/trojanCockroach/TrojanCockroach.cpp",
"owner": "cpptools",
"severity": 8,
"message": "return-statement with no value, in function returning 'int' [-fpermissive]",
"source": "gcc",
"startLineNumber": 72,
"startColumn": 5,
"endLineNumber": 72,
"endColumn": 5
}]
and
[{
"resource": "/c:/Users/Luis/3D Objects/TrojanCockroach-master/com/minhaskamal/trojanCockroach/TrojanCockroach.cpp",
"owner": "cpptools",
"severity": 4,
"message": "address of local variable 'randomName' returned [-Wreturn-local-addr]",
"source": "gcc",
"startLineNumber": 311,
"startColumn": 12,
"endLineNumber": 311,
"endColumn": 12
}]

Please fix this