DescriptionDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as post...
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其他好文 时间：
2014-10-16 00:15:21
阅读次数：
587
1, write down all the permutations of the string of character ;
2, sort these rows according to the first character of each row;
3, the last coloumn is the result string.
BWT reverse:
1, write...
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其他好文 时间：
2014-10-15 23:26:11
阅读次数：
226
直接上代码，如有更好的，还请指教
<rotate android:toDegrees="2"
android:repeatMode="reverse"
android:repeatCount="infinite"
android:pivotY="50%"
android:pivotX="50%"
android:fromDegrees="-2"
android:duration="...
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移动开发 时间：
2014-10-15 19:38:01
阅读次数：
386
乱搞:
1.数字的个数要比*的个数多一个,如果数字不足需要先把数字补满
2.最优的结构应该是数字都在左边,*都在右边
3.从左往右扫一遍,遇到数字+1,遇到*-1,如果当前值
Known Notation
Time Limit: 2 Seconds Memory Limit: 65536 KB
Do you know reverse Polish no...
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其他好文 时间：
2014-10-15 11:30:10
阅读次数：
222
Known Notation
Time Limit: 2 Seconds Memory Limit: 131072 KB
Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also kn...
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其他好文 时间：
2014-10-15 00:11:49
阅读次数：
297
Known NotationTime Limit: 2 Seconds Memory Limit: 65536 KBDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematic....
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其他好文 时间：
2014-10-14 23:04:39
阅读次数：
220
栈的基本特性是后进先出，最简单的用途是用于转置，还有其他诸如括号匹配，中序表达式(A+B*(C-D/(E+F)) --> ABCDEF+/-*+)和后续表达式(345+*612+/- --> 3*(4+5)-6/(1+2))互换等高级用法。示例代码：package chap04.Reverse;im...
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编程语言 时间：
2014-10-14 17:38:38
阅读次数：
229
1. exit handler. atexit(void (*func)(void)); #automatically called by exit() exit() calls these functions in reverse order of their registeration....
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其他好文 时间：
2014-10-14 17:20:49
阅读次数：
238
Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each operand may be an integer or another ex...
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其他好文 时间：
2014-10-14 09:49:07
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219
#include
#include
using namespace std;
string str;
void reverse(int begin,int end)
{
while(begin<end)
{
str[begin] = str[begin]^str[end];
str[end] = str[begin]^str[end];...
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其他好文 时间：
2014-10-14 00:25:57
阅读次数：
207
