View Compilation Error

0_0_33444678_12914.cpp: In function 'long long int guibing(int, int, int)':
0_0_33444678_12914.cpp:14:12: error: declaration of 'int l' shadows a parameter
     int i, l, k;
            ^
0_0_33444678_12914.cpp:16:5: error: 'j' was not declared in this scope
     j = m+1;
     ^