Main.cc:1:9: error: #include expects "FILENAME" or #include ^ Main.cc: In function ‘int main()’: Main.cc:7:1: error: ‘cin’ was not declared in this scope cin>>n; ^~~ Main.cc:7:1: note: suggested alternative: ‘main’ cin>>n; ^~~ main Main.cc:8:9: error: ‘ia’ was not declared in this scope for(i=1;ia[i][j]; ^~ Main.cc:8:9: note: suggested alternative: ‘i’ for(i=1;ia[i][j]; ^~ i Main.cc:9:1: error: expected primary-expression before ‘}’ token } ^ Main.cc:9:1: error: expected ‘)’ before ‘}’ token Main.cc:9:1: error: expected primary-expression before ‘}’ token Main.cc:5:5: warning: unused variable ‘a’ [-Wunused-variable] int a[7][7],max; ^ Main.cc:5:13: warning: unused variable ‘max’ [-Wunused-variable] int a[7][7],max; ^~~ Main.cc:6:11: warning: unused variable ‘k’ [-Wunused-variable] int n,i,j,k,l; ^ Main.cc:6:13: warning: unused variable ‘l’ [-Wunused-variable] int n,i,j,k,l; ^ Main.cc: At global scope: Main.cc:10:1: error: expected declaration before ‘}’ token } ^