http://acm.pku.edu.cn/JudgeOnline/problem?id=1002讀入字符串-將字符串統一格式- qsort- 查找重復并記錄-輸出
Source Code
Problem: 1002 User: lnmm
Memory: 944K Time: 529MS
Language: C++ Result: Accepted
Source Code
#include"stdio.h"
#include"stdlib.h"
#include"string.h"
char map[]="22233344455566677778889999";
char str[80],telNumber[100000][9];
int compare(const void *p1,const void *p2)
{
return(strcmp((char*)p1,(char*)p2));
}
void standardizeTel(int n)
{
int j,k;
k=-1;j=-1;
while(k<8)
{
j++;
if(str[j]=='-') continue;
k++;
if(k==3){telNumber[n][k]='-';k++;}
if(str[j]>='A'&&str[j]<='Z'){telNumber[n][k]=map[str[j]-'A'];continue;}
telNumber[n][k]=str[j];
}
telNumber[n][8]='\0';
return;
}
void main()
{
int n,i,j;
bool noduplicate;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%s",str);
standardizeTel(i);
}
qsort(telNumber,n,9,compare);
noduplicate=true;
i=0;
while(i<n)
{
j=i;
i++;
while((i<n)&&strcmp(telNumber[i],telNumber[j])==0)i++;
if(i-j>1)
{
printf("%s %d\n",telNumber[j],i-j);
noduplicate=false;
}
}
if(noduplicate==true)
printf("No duplicates.\n");
}