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#include<stdlib.h>
#include<stdio.h>
#define MINPID 0
#define MAXPID 5
int bitmap[6];
int current_used_pid=0;
void print_bitmap(void){
	printf("[ Bitmap ]\n");
	for(int i=0;i<6;i++)
	{
		printf("bitmap[%d] = %d\n",i,bitmap[i]);
	}
}
int allocate_map(void){
	printf("### allocating bitmap ... ###\n");
	for(int i=0;i<6;i++)
		bitmap[i]=0;
	return 1;
}
int allocate_pid(void){
	if(current_used_pid>=MINPID && current_used_pid <=MAXPID)
	{
		printf("process%d pid = %d\n",current_used_pid,current_used_pid);
		bitmap[current_used_pid]=1;
		return current_used_pid++;
	}
	else
	{
		printf("process%d pid = -1\n",current_used_pid);
		current_used_pid++;
		return -1;
	}
}
void release_pid(int pid){
	printf("release process%d pid\n",pid);
	bitmap[pid]=0;
}
int main(){
	allocate_map();
	print_bitmap();
 
	printf("\n### allocating pid ... ###\n");
	for(int i=0;i<7;i++)
	{
		allocate_pid();
	}
	print_bitmap();
 
	printf("\n### releasing pid ... ###\n");
	for(int i=0;i<6;i++)
	{
		release_pid(i);
	}
	print_bitmap();
 
}

Main.java:1: error: illegal character: '#'
#include<stdlib.h>
^
Main.java:1: error: class, interface, or enum expected
#include<stdlib.h>
        ^
Main.java:2: error: illegal character: '#'
#include<stdio.h>
^
Main.java:3: error: illegal character: '#'
#define MINPID 0
^
Main.java:4: error: illegal character: '#'
#define MAXPID 5
^
Main.java:6: error: class, interface, or enum expected
int current_used_pid=0;
^
Main.java:7: error: class, interface, or enum expected
void print_bitmap(void){
^
Main.java:9: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	^
Main.java:9: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	            ^
Main.java:9: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	                ^
Main.java:12: error: class, interface, or enum expected
	}
	^
Main.java:16: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	^
Main.java:16: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	            ^
Main.java:16: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	                ^
Main.java:18: error: class, interface, or enum expected
	return 1;
	^
Main.java:19: error: class, interface, or enum expected
}
^
Main.java:24: error: class, interface, or enum expected
		bitmap[current_used_pid]=1;
		^
Main.java:25: error: class, interface, or enum expected
		return current_used_pid++;
		^
Main.java:26: error: class, interface, or enum expected
	}
	^
Main.java:30: error: class, interface, or enum expected
		current_used_pid++;
		^
Main.java:31: error: class, interface, or enum expected
		return -1;
		^
Main.java:32: error: class, interface, or enum expected
	}
	^
Main.java:36: error: class, interface, or enum expected
	bitmap[pid]=0;
	^
Main.java:37: error: class, interface, or enum expected
}
^
Main.java:40: error: class, interface, or enum expected
	print_bitmap();
	^
Main.java:42: error: class, interface, or enum expected
	printf("\n### allocating pid ... ###\n");
	^
Main.java:43: error: class, interface, or enum expected
	for(int i=0;i<7;i++)
	^
Main.java:43: error: class, interface, or enum expected
	for(int i=0;i<7;i++)
	            ^
Main.java:43: error: class, interface, or enum expected
	for(int i=0;i<7;i++)
	                ^
Main.java:46: error: class, interface, or enum expected
	}
	^
Main.java:49: error: class, interface, or enum expected
	printf("\n### releasing pid ... ###\n");
	^
Main.java:50: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	^
Main.java:50: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	            ^
Main.java:50: error: class, interface, or enum expected
	for(int i=0;i<6;i++)
	                ^
Main.java:53: error: class, interface, or enum expected
	}
	^
Main.java:56: error: class, interface, or enum expected
}
^
36 errors

Standard output is empty