hdu 5100

Chessboard

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 271 Accepted Submission(s): 144


Problem Description Consider the problem of tiling an n×n chessboard by polyomino pieces that are k×1 in size; Every one of the k pieces of each polyomino tile must align exactly with one of the chessboard squares. Your task is to figure out the maximum number of chessboard squares tiled.
Input There are multiple test cases in the input file.
First line contain the number of cases T (T≤10000).
In the next T lines contain T cases , Each case has two integers n and k. (1≤n,k≤100)
Output Print the maximum number of chessboard squares tiled.
Sample Input

2
6 3
5 3

Sample Output

36
24

Source BestCoder Round #17 詳細題解鏈接：http://www.brand.site.co.il/riddles/201403a.html AC代碼：

#include
#include
using namespace std;
int main(){
    int T; scanf("%d",&T);
    while(T--){
        int n,k;
        scanf("%d%d",&n,&k);
        if(n