View Compilation Error

0_0_18952411_32189.cpp: In function 'int main()':
0_0_18952411_32189.cpp:4:5: error: 'lon' was not declared in this scope
     lon long a[25];
     ^
0_0_18952411_32189.cpp:7:5: error: 'a' was not declared in this scope
     a[1]=1;
     ^