基础练习 Sine之舞

#include <cstdio>#include <cstring>#include <string>#include <iostream>using namespace std;void An(int n){	int i;	for(i = 1; i <= n; i++)	{		cout<<"sin("<<i;		if(i % 2 != 0 && i != n)			cout<<"-";		if(i % 2 ==0 && i != n)			cout<<"+";	}	for(i = 0; i < n; i++)		cout<<")";} void Sn(int n){	int i, d;	d = n;	for(i = 0; i < n-1; i++)		cout<<"(";	for(i = 1; i <= n; i++)	{		An(i);		cout<<"+"<<d;		if(d != 1)			cout<<")";		d--;	}}int main(){	int n;	cin>>n;	Sn(n);		return 0;}