C#中從1加到100,值互換(超級簡單)
int c=0;
for(int i=1;i<=100;i++)
{
c=c+i;
}
Response.Write(c);
Response.End();
int a = 10;
int b = 5;
a = a + b;//a=15
b = a - b;//b=10
a = a - b;//a=5

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