zqhf123的博客

逆推#include<cstdio>#include<iostream>using namespace std;int main(){ int day = 9, x1,x2 = 1; while(day > 0) { x1 = (x2+1)*2; x2 = x1; day--; } cout << x1; return 0;}

//求水仙花数#include <iostream>using namespace std;int main(){ int i,j,k,n; for(n = 100;n < 1000;n++) { i = n/100; //取百位数 j = n/10%10; //取十位数n/10-10*i也可以 k = n%10; //取个位数 if(i*100+j*10+k == i*i*i+j*j*j+k*k

凯撒加密术#include <iostream>using namespace std;int main(){ char c1 = 'C',c2 = 'h',c3 = 'i',c4 = 'n',c5 = 'a'; c1 += 4;//即c1=c1+4; c2 += 4; c3 += 4; c4 += 4; c5 += 4; cout<<...

大小写字母转换#include <iostream>using namespace std;int main(){ char c1,c2; c1 = 'a'; c2 = 'b'; c1= c1 - 32; c2= c2 - 32; cout << c1 <<' ' << c2 << endl; sy...

//两棵并排的树#include using namespace std;int main(){cout<<" * *\n";cout<<" *** *\n";cout<<" ***** \n";cout<<" *******\n";cout<<" * *\n";cout&...