#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 d;
}
int main(void) {
	printf("x = %d\n",x);
    x = 101;
    printf("x = %d\n",x);
    mondai1(102);
    printf("x = %d\n",x);
    mondai2();
    mondai2();
    mondai2();
    printf("x = %d\n",x);
    for (int i = 103;i<104;i++){
        int x = i;
        printf("x = %d\n",x);
        x = mondai3(i);
        printf("x = %d\n",x);
   }
    printf("x = %d\n",x);
	return 0;
}
 

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