NSC今天似乎又没动静了 - 未名空间MITBBS历史存档

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NSC今天似乎又没动静了

NSC今天似乎又没动静了# Immigration - 落地生根

g*r2013-04-23 07:04

1 楼

Returns the next integer a in the arithmetic sequence of integers where
* a = m^n, m > 1 n > 1, and m and n are both integers
* Thus, the first few outputs will be 4, 8, 9, 16, 25, 27, 32, 36, etc

u*e2013-04-23 07:04

2 楼

昨天有绿的，有rfe的，今天又玩藏猫猫了？很久以前他们是周一周五工作，然后变成
周一周二，上个周就没啥动静，这个周只有周一，今天似乎没啥事了。
等得很无奈。

s*g2013-04-23 07:04

3 楼

我的一个解法：
unsigned long calc(unsigned m, unsigned n) {
if(m < 2 || m < 2) return 0;
unsigned long ret = m;
for(unsigned i = 1; i < n; ++i)
ret *= m;
return ret;
}
unsigned findNext2(unsigned val) {
unsigned long ret = INT_MAX;
unsigned smallest = 0;
unsigned sum = 4;
while(smallest <= val) {
unsigned n = 2;
for(unsigned i = n; i <= sum-2; ++i) {
unsigned long result = calc(sum-i, i);
if(i == 2) smallest = result;
if(result > val) ret = min(ret, result);
if(result > val) break;
}
for(unsigned i = n; i <= sum-2; ++i) {
unsigned long result = calc(i, sum-i);
if(result > val) ret = min(ret, result);
if(result > val) break;
}
++sum;
}
return ret;
}

【在 g********r 的大作中提到】

: Returns the next integer a in the arithmetic sequence of integers where
: * a = m^n, m > 1 n > 1, and m and n are both integers
: * Thus, the first few outputs will be 4, 8, 9, 16, 25, 27, 32, 36, etc

I*12013-04-23 07:04

4 楼

mine was actually rfed on Last Friday. so I guess they work hard on every
Fridays?

【在 u***e 的大作中提到】

: 昨天有绿的，有rfe的，今天又玩藏猫猫了？很久以前他们是周一周五工作，然后变成
: 周一周二，上个周就没啥动静，这个周只有周一，今天似乎没啥事了。
: 等得很无奈。

r*72013-04-23 07:04

5 楼

应该用binary search来解吧

【在 s*******g 的大作中提到】

: 我的一个解法：
: unsigned long calc(unsigned m, unsigned n) {
: if(m < 2 || m < 2) return 0;
: unsigned long ret = m;
: for(unsigned i = 1; i < n; ++i)
: ret *= m;
: return ret;
: }
: unsigned findNext2(unsigned val) {
: unsigned long ret = INT_MAX;

u*e2013-04-23 07:04

6 楼

that explained why there is not much for today.
i should come this Friday then..

every

【在 I*1 的大作中提到】

: mine was actually rfed on Last Friday. so I guess they work hard on every
: Fridays?