超级字符串题解

userId_undefined

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2023-11-07 13:37:00

发布于：广东

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#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
string a = "4567", b = "123", c;
int main(){
	int n;
	cin >> n;
	c = b + a;
	int len = c.length();
	while(len <= n){
		a = b;
		b = c;
		c = b + a;
	}cout << c[n - 1];

	return 0;
}
userId_undefined
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