View Compilation Error

0_0_20765285_642.cpp: In function 'float solve(Point*, int)':
0_0_20765285_642.cpp:35:13: error: expected ';' before 'for'
             for(int i = 0;i < j - 1;i ++){
             ^
0_0_20765285_642.cpp:35:27: error: 'i' was not declared in this scope
             for(int i = 0;i < j - 1;i ++){
                           ^