View Compilation Error

0_0_36771445_32218.c: In function 'main':
0_0_36771445_32218.c:7:2: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
  for(int i = 1 ; i <= test ; i++)
  ^
0_0_36771445_32218.c:7:2: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_36771445_32218.c:12:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j = 1 ; j < after ; j++)
    ^
0_0_36771445_32218.c:28:4: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
    for(int j = 1 ; j < after ; j++)
    ^