View Compilation Error

0_0_12068895_8283.c:10: error: variable-size type declared outside of any function
0_0_12068895_8283.c:10: error: variable-size type declared outside of any function
0_0_12068895_8283.c: In function `dfs':
0_0_12068895_8283.c:24: error: 'for' loop initial declaration used outside C99 mode
0_0_12068895_8283.c: In function `main':
0_0_12068895_8283.c:49: error: 'for' loop initial declaration used outside C99 mode
0_0_12068895_8283.c:51: error: 'for' loop initial declaration used outside C99 mode