View Compilation Error

0_0_14880219_7929.cpp: In function 'int main()':
0_0_14880219_7929.cpp:22:17: error: expected initializer before 'scanf'
                 scanf("%d",&x);a[i][j]=x;
                 ^
0_0_14880219_7929.cpp:22:40: error: 'x' was not declared in this scope
                 scanf("%d",&x);a[i][j]=x;
                                        ^