View Compilation Error

0_0_1908794_28981.cpp: In member function `void Triangle::Backtrack(int)':
0_0_1908794_28981.cpp:56: error: name lookup of `j' changed for new ISO `for' scoping
0_0_1908794_28981.cpp:51: error:   using obsolete binding at `j'
0_0_1908794_28981.cpp: In function `int Compute(int)':
0_0_1908794_28981.cpp:77: error: name lookup of `i' changed for new ISO `for' scoping
0_0_1908794_28981.cpp:76: error:   using obsolete binding at `i'
0_0_1908794_28981.cpp: At global scope:
0_0_1908794_28981.cpp:85: error: `main' must return `int'