View Compilation Error

0_0_4900847_13889.c: In function `main':
0_0_4900847_13889.c:14: error: 'for' loop initial declaration used outside C99 mode
0_0_4900847_13889.c:17: error: redefinition of 'j'
0_0_4900847_13889.c:14: error: previous definition of 'j' was here
0_0_4900847_13889.c:17: error: 'for' loop initial declaration used outside C99 mode
0_0_4900847_13889.c: In function `quick':
0_0_4900847_13889.c:37: error: 'for' loop initial declaration used outside C99 mode