View Compilation Error

0_0_27668868_19980.c: In function 'main':
0_0_27668868_19980.c:14:13: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
   temp = m; for (int i = m; i <= n; i++)
             ^
0_0_27668868_19980.c:14:13: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code
0_0_27668868_19980.c:26:21: error: 'x' undeclared (first use in this function)
   printf("%d %d\n", x, y);
                     ^
0_0_27668868_19980.c:26:21: note: each undeclared identifier is reported only once for each function it appears in
0_0_27668868_19980.c:26:24: error: 'y' undeclared (first use in this function)
   printf("%d %d\n", x, y);
                        ^
0_0_27668868_19980.c: At top level:
0_0_27668868_19980.c:28:2: error: expected identifier or '(' before 'return'
  return 0;
  ^
0_0_27668868_19980.c:29:1: error: expected identifier or '(' before '}' token
 }
 ^