View Compilation Error

0_0_2798533_23752.c: In function `main':
0_0_2798533_23752.c:6: error: syntax error before ',' token
0_0_2798533_23752.c:8: error: `i' undeclared (first use in this function)
0_0_2798533_23752.c:8: error: (Each undeclared identifier is reported only once
0_0_2798533_23752.c:8: error: for each function it appears in.)
0_0_2798533_23752.c:9: error: `j' undeclared (first use in this function)
0_0_2798533_23752.c:15: error: `n' undeclared (first use in this function)