View Compilation Error

0_0_34539954_24247.c: In function 'main':
0_0_34539954_24247.c:9:3: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   for(int j=0;j<x;j++)
   ^
0_0_34539954_24247.c:9:3: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_34539954_24247.c:14:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for(int g=0;g<x;g++)
         ^