View Compilation Error

0_0_21653648_4564.cpp: In function 'void solve()':
0_0_21653648_4564.cpp:15:5: error: expected ';' before 'int'
     int n, k, x;
     ^
0_0_21653648_4564.cpp:16:21: error: 'n' was not declared in this scope
     scanf ("%d%d", &n, &k);
                     ^
0_0_21653648_4564.cpp:16:25: error: 'k' was not declared in this scope
     scanf ("%d%d", &n, &k);
                         ^
0_0_21653648_4564.cpp:18:23: error: 'x' was not declared in this scope
         scanf ("%d", &x);
                       ^