#include <stdio.h>
 
int x;
void mondai1(int b){
	x=b;
}
void mondai2(void){
	static int c=10;
	x=c;
	c++;
}
int mondai3(int d){
	x++;
	d++;
	return 0;
}
int main(void){
	printf("x=%d\n",x);//x=0//
	x=101;
	printf("x=%d\n",x);//x=101//
	mondai1(102);
	printf("x=%d\n",x);//x=102//
	mondai2();
	mondai2();
	mondai2();
	printf("x=%d\n",x);//x=12//
	for(int i=103;i<104;i++){
		int x=i;
		printf("x=%d\n",x);//x=103//
		x=mondai3(i);
		printf("x=%d\n",x);
	}
	printf("x=%d\n",x);
	return 0;
}

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