striving's People
striving's Issues
数字分割
using namespace std;
int main()
{
int a,i;
cin>>a;
for(i = 5;i>0;i--){
if(a/(int)pow(10.0,i-1)!=0) {
break;
}
}
int* nums = new int[i];
for(int j = i-1;j >= 0;j--){
nums[j] = a/(int)pow(10.0,j);
a = a%(int)pow(10.0,j);
}
cout<<i<<endl;
for(int k=i-1;k>0;k--)
cout<<nums[k]<<" ";
cout<<nums[0]<<endl;
for(int k=0;k<i;k++)
cout<<nums[k];
cout<<endl;
return 0;
}
报数
#include<iostream>
#include<cmath>
#include<string>
#include<vector>
#include<list>
using namespace std;
int main()
{
int n;
cin>>n;
list<int> num;
for(int i = 1;i<=n;i++){
num.push_back(i);
}
int j = 1;
while(num.size()!=1){
for(int i = 0;i<num.size();){
if(j==3){
list<int>::iterator it = num.begin();
advance(it,i);
num.erase(it);
j=1;
}else{
j++;
i++;
}
}
}
int res = num.front();
cout<<res<<endl;
return 0;
}
最大公约数最小公倍数
#include<iostream>
#include<cmath>
#include<string>
using namespace std;
int fun(int x,int y){
if(x%y==0) return y;
else fun(y,x%y);
}
int main()
{
int a,b;
cin>>a>>b;
int res = fun(a,b);
cout<<res<<" "<<a*b/res<<endl;
return 0;
}
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