View Compilation Error

0_0_37599061_6660.cpp: In function 'int main()':
0_0_37599061_6660.cpp:10:5: error: 'i' was not declared in this scope
 for(i = 3;i <= 40;i++)
     ^
0_0_37599061_6660.cpp:15:5: error: expected ',' before '>>' token
 cin >> n;
     ^
0_0_37599061_6660.cpp:15:5: error: expected identifier before '>>' token
0_0_37599061_6660.cpp:15:9: error: expected ']' before ';' token
 cin >> n;
         ^
0_0_37599061_6660.cpp: In lambda function:
0_0_37599061_6660.cpp:15:9: error: expected '{' before ';' token
0_0_37599061_6660.cpp: At global scope:
0_0_37599061_6660.cpp:18:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_37599061_6660.cpp:19:1: error: expected declaration before '}' token
 }
 ^