72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
#pragma comment(linker, "/STACK:1024000000,1024000000")
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <iostream>
|
|
#include <algorithm>
|
|
#include <vector>
|
|
#include <queue>
|
|
#include <set>
|
|
#include <map>
|
|
#include <string>
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
using namespace std;
|
|
char str[10000];
|
|
int main()
|
|
{
|
|
int T;
|
|
int m,n;
|
|
int iCase = 0;
|
|
scanf("%d",&T);
|
|
while(T--)
|
|
{
|
|
scanf("%d%d",&m,&n);
|
|
iCase++;
|
|
printf("Case #%d: ",iCase);
|
|
if(m == 1)
|
|
{
|
|
for(int i = 0;i < n;i++)printf("a");
|
|
printf("\n");
|
|
continue;
|
|
}
|
|
if(m >= 3)
|
|
{
|
|
int index = 0;
|
|
for(int i = 0;i < n;i++)
|
|
{
|
|
printf("%c",index + 'a');
|
|
index = (index + 1)%3;
|
|
}
|
|
printf("\n");
|
|
continue;
|
|
}
|
|
if(n == 1)printf("a");
|
|
else if(n == 2)printf("ab");
|
|
else if(n == 3)printf("aab");
|
|
else if(n == 4)printf("aabb");
|
|
else if(n == 5)printf("aaaba");
|
|
else if(n == 6)printf("aaabab");
|
|
else if(n == 7)printf("aaababb");
|
|
else if(n == 8)printf("aaababbb");
|
|
else if(n == 9)printf("aaaababba");
|
|
else
|
|
{
|
|
printf("aaaa");
|
|
n -= 4;
|
|
while(n >= 6)
|
|
{
|
|
printf("babbaa");
|
|
n -= 6;
|
|
}
|
|
if(n == 1)printf("a");
|
|
else if(n == 2)printf("aa");
|
|
else if(n == 3)printf("bab");
|
|
else if(n == 4)printf("babb");
|
|
else if(n == 5)printf("babba");
|
|
}
|
|
printf("\n");
|
|
}
|
|
return 0;
|
|
}
|