Main.java:1: error: class, interface, or enum expected
include <stdio.h> define SWAP(a,b,t) t=a, a=b, b=t 
^
Main.java:5: error: class, interface, or enum expected
int main (void)
^
Main.java:8: error: class, interface, or enum expected
 scanf("%d%d",&n,&m);
 ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
 ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
           ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
                ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
                                        ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
                                                                    ^
Main.java:9: error: class, interface, or enum expected
 for (i=0; i<n; i++) { scanf("%d",a+i); } while (m--) { for (i=n-1; i>0; i--) {
                                                                         ^
Main.java:11: error: class, interface, or enum expected
 for (j=n-1; j>=i; j--) {
             ^
Main.java:11: error: class, interface, or enum expected
 for (j=n-1; j>=i; j--) {
                   ^
Main.java:14: error: class, interface, or enum expected
 break;
 ^
Main.java:15: error: class, interface, or enum expected
 }
 ^
Main.java:18: error: class, interface, or enum expected
 if (i < n-1) {
 ^
Main.java:20: error: class, interface, or enum expected
 for (j=i; j<t; j++) {
 ^
Main.java:20: error: class, interface, or enum expected
 for (j=i; j<t; j++) {
           ^
Main.java:20: error: class, interface, or enum expected
 for (j=i; j<t; j++) {
                ^
Main.java:22: error: class, interface, or enum expected
 }
 ^
Main.java:25: error: class, interface, or enum expected
 }
 ^
Main.java:28: error: class, interface, or enum expected
 for (i=0; i<n; i++) {
           ^
Main.java:28: error: class, interface, or enum expected
 for (i=0; i<n; i++) {
                ^
Main.java:30: error: class, interface, or enum expected
 }
 ^
Main.java:32: error: class, interface, or enum expected
 return 0;
 ^
Main.java:33: error: class, interface, or enum expected
}
^
24 errors