今天状态不好,写的代码很烂,有时间重写,思路就不清楚呢,这么简单的题,此题与浙大PAT上某题类似
/*
ID:linyvxi1
PROB:palsquare
LANG:C++
*/
#include <stdio.h>
#include <string.h>
#include <stack>
#include <stdlib.h>
using namespace std;
int B;
char str1[100];
char str2[100];
char str3[100];
bool check(int n)
{
memset(str1,'\0',sizeof(str1));
memset(str2,'\0',sizeof(str2));
memset(str3,'\0',sizeof(str3));
int i=0,j=0;
while(n){
if(n%B>=10)
str1[i]=n%B-10+'A';
else str1[i]=n%B+'0';
n/=B;
i++;
}
for(i=strlen(str1)-1;i>=0;i--){
str2[j]=str1[i];
j++;
}//reverse
if(strcmp(str1,str2)==0)
return true;
return false;
}
int main()
{
FILE* fin=fopen("palsquare.in","r");
FILE* fout=fopen("palsquare.out","w");
fscanf(fin,"%d",&B);
int i;
for(i=1;i<=300;i++){
if(check(i*i)){
int j=0,tem=i;;
while(tem){
if(tem%B>=10)
str3[j]=tem%B-10+'A';
else str3[j]=tem%B+'0';
tem/=B;
j++;
}
for(j=strlen(str3)-1;j>=0;j--)
fprintf(fout,"%c",str3[j]);
fprintf(fout," %s\n",str2);
}
}
}
Here are the test data inputs:
------- test 1 ---- 10 ------- test 2 ---- 2 ------- test 3 ---- 5 ------- test 4 ---- 11 ------- test 5 ---- 15 ------- test 6 ---- 18 ------- test 7 ---- 20 ------- test 8 ---- 3