View Compilation Error

0_0_4806762_24674.c: In function `main':
0_0_4806762_24674.c:28: error: syntax error before numeric constant
0_0_4806762_24674.c:28: error: 'for' loop initial declaration used outside C99 mode
0_0_4806762_24674.c:28: error: wrong type argument to increment
0_0_4806762_24674.c:30: error: array subscript is not an integer
0_0_4806762_24674.c: In function `dfs':
0_0_4806762_24674.c:44: error: syntax error before '-' token
0_0_4806762_24674.c:45: error: 'for' loop initial declaration used outside C99 mode
0_0_4806762_24674.c:50: error: invalid lvalue in assignment