View Compilation Error

0_0_32626045_12864.cpp: In function 'long long int dfs(int, int, int, bool)':
0_0_32626045_12864.cpp:15:22: error: 'dight' was not declared in this scope
     int up = limit ? dight[pos] : 9;
                      ^
0_0_32626045_12864.cpp: In function 'long long int solve(long long int)':
0_0_32626045_12864.cpp:29:9: error: 'dight' was not declared in this scope
         dight[++cnt] = n % 10;
         ^
0_0_32626045_12864.cpp: In function 'int main()':
0_0_32626045_12864.cpp:47:27: error: 'slove' was not declared in this scope
    printf("%lld\n",slove(y)-slove(x-1));
                           ^