View Compilation Error

0_0_16070289_20543.c: In function 'main':
0_0_16070289_20543.c:21:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  for(int j=0;j<t;j++)
  ^
0_0_16070289_20543.c:21:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_16070289_20543.c:24:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int i=3;i<n;i++)
   ^