Run id: 64289

Main.cc: In function 'int main()':
Main.cc:4:21: error: expected '}' before '{' token
 int a[20][20] = {{0}{0}};
                     ^
Main.cc:4:21: error: expected ',' or ';' before '{' token
Main.cc:4:5: warning: unused variable 'a' [-Wunused-variable]
 int a[20][20] = {{0}{0}};
     ^
Main.cc: At global scope:
Main.cc:6:1: error: 'cin' does not name a type
 cin>>n; 
 ^
Main.cc:7:1: error: expected unqualified-id before 'for'
 for(int i=0;i