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#include<stdio.h>


int WF(int x, int y) {


x=x+y;


y=x+y;


return x+y;


}


void main() {


int x=5, y=7;


int z=WF(x,y);


printf("z=%d\n",z);


}

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出自：国家开放大学C语言程序设计

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