
大一cj求問
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供參考:#include<stdio.h>
#include<math.h>
int main(int argc, char* argv[])
{
int x1,y1,x2,y2;
double lenght;
scanf("%d %d %d %d",&x1,&y1,&x2,&y2);
lenght = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
printf("%.2f\n",lenght);
return 0;
}
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標籤:C語言
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