View Compilation Error

0_0_25724152_1528.cpp: In lambda function:
0_0_25724152_1528.cpp:169:18: error: 'i' was not declared in this scope
             for( i = 0, j = L; i < len; ++i, ++j)
                  ^
0_0_25724152_1528.cpp:169:25: error: 'j' was not declared in this scope
             for( i = 0, j = L; i < len; ++i, ++j)
                         ^