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1033.整数拆分 Ver.2
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1033.整数拆分 Ver.2
Time Limit:1000MS Memory Limit:65535KB
Description
The problem is, given an positive integer N, we define an equation like this: N=a[1]+a[2]+a[3]+...+a[m]; a[i]>0,1<=m<=N; For example, assume N is 5, we can find: 5=1+1+1+1+1 5=1+1+1+2 5=1+1+3 5=1+2+2 5=1+4 5=2+3 5=5 Note that "5 = 3 + 2" and "5 = 2 + 3" is the same in this problem. Now, you do it!" But now , you must ouput all the equations in **lexicographical** order;
Input
The input contains several test cases. Each test case contains a positive integer N(1\<=N\<=20) which is mentioned above. The input is terminated by the end of file.
Output
For each test case, you have to output several lines indicate the different equations you have found.
Sample test
Sample input
3 4
Sample output
3=1+1+1 3=1+2 3=3 4=1+1+1+1 4=1+1+2 4=1+3 4=2+2 4=4
Note
The first case,you can't print 3=2+1(it's not lexicographical order),and you must print 3=1+1+1 before 3=1+2 .
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GNU C++ 9.3.0
GNU C 9.3.0
Python 3.8.4
Lua 5.3
GO 1.12.4
JS - (nodejs 10.19.0)
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Test Input
Test Output
3 4
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