View Compilation Error

0_0_15480882_28310.cpp: In function 'void solve(int)':
0_0_15480882_28310.cpp:22:17: error: 'j' was not declared in this scope
             for(j = 0; j < lenb; j++)
                 ^
0_0_15480882_28310.cpp:25:17: error: 'j' was not declared in this scope
             for(j = 0; j < lenc; j++)
                 ^
0_0_15480882_28310.cpp: In function 'int main()':
0_0_15480882_28310.cpp:88:13: error: 'i' was not declared in this scope
         for(i = 0; i < lenb; i++)
             ^
0_0_15480882_28310.cpp:91:13: error: 'i' was not declared in this scope
         for(i = 0; i < lenc; i++)
             ^