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Re:那个公式的b*(n-1)/2 是什么意思？，那个公式是怎么推出来的，麻烦高手指点一下，呵呵。。。In Reply To:Re:那个公式的b*(n-1)/2 是什么意思？，那个公式是怎么推出来的，麻烦高手指点一下，呵呵。。。 Posted by:smilezhen at 2005-08-12 00:11:02 #include <iostream.h>
int main(void){
int t, a;
cin >> t;
while(t--){
cin >> a;
/*....*/隐藏部分不超过100个字符
}
return 0;
}
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