View Compilation Error

0_0_32222053_3817.c: In function 'main':
0_0_32222053_3817.c:8:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  for (int i = 1; i <= t; i++)
  ^
0_0_32222053_3817.c:8:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_32222053_3817.c:13:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for (int j = 0; j < length; j++)
   ^
0_0_32222053_3817.c:20:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for (int x = 0; x < length; x++)
   ^
0_0_32222053_3817.c:23:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for (int y = 0; y < 10; y++)
    ^