#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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