Problem Description
對任意正整數n,平面上的n 個圓最多可將平面切成幾個區域?
Input Format
none
Output Format
none
Sample Input
3
4
Sample Output
8
14
-----*Problem from【ZeroJudge, An Online Judge System For Beginners】
My Answer
1. 2. 3. 4. 5. 6. 7. 8. 9. 10. |
#include<iostream> using namespace std; int main(void) { int n; while(cin>>n){ cout<<n*n-n+2<<endl; } return 0; } |
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