View Compilation Error

0_0_33891834_9251.cpp: In function 'void buildGraph()':
0_0_33891834_9251.cpp:33:26: error: expected ')' before ';' token
     for(int i = S: i <= T; i++) head[i] = 0;
                          ^
0_0_33891834_9251.cpp:33:28: error: 'i' was not declared in this scope
     for(int i = S: i <= T; i++) head[i] = 0;
                            ^