查找关键词程序代码.docx

#include#include#include#define N 5000class A charpassageN;public:A()char passN= As I crossed the line my initial thought was how much harder the race had been than expected, bearing in mind how, only eight weeks before, I had set a new personal best of two minutes 12.2 seconds. Then my mind turned to the result. Had I done it? I thought I had. I was aware of where the other athletes were, and was sure that Id just made it. But, until I saw it on the scoreboard, I wouldnt let myself believe it. As I stood there, staring up and waiting for confirmation, I tried hard to keep negative thoughts from my mindbut I couldnt help thinking, what if I have just missed out? What if Ive been through all this, and missed out?; for(int i=0;iN;i+)passagei=passi;int compare(char a,int i) /比较单字母是否相同函数 if(passagei=a|int(fabs(passagei-a)=32) return 1; else return 0; int address(int i) /单词所在位置函数 int s=1; for(int j=0;ji;j+) if(passagej= ) s+; return s; void find(char b) /查找函数 int m,n=0,k=strlen(b); /K求出输入单词长度 for(int i=0;iN;i+) int j=0,t1=0; if(passagei= |passagei=.|passagei=?|passagei=!|passagei=,)&(passagei+k+1= |passagei+k+1=.|passagei+k+1=?|passagei+k+1=!|passagei+k+1=,) int t2=i+1; for(t2;t1k;t2+) if(compare(bj+,t2) /调用比较单字母是否相同函数t1+;else t1=k+1; if(t1=k) n+;m=address(i); /调用单词位置函数cout第n个b为第m个单词endl; void change(char b) /替换函数 int m=0,k=strlen(b); /K求出输入单词长度 for(int i=0;iN;i+) int j=0,t1=0; if(passagei= |passagei=.|passagei=?|passagei=!|passagei=,)&(passagei+k+1= |passagei+k+1=.|passagei+k+1=?|passagei+k+1=!|passagei+k+1=,) int t2=i+1;for(t2;t1k;t2+)if(compare(bj+,t2) /调用比较单字母是否相同函数t1+;else t1=k+1;if(t1=k)for(int t3=i+1;t3i+k+1;t3+)passaget3=*;m+;i+=k; if(m) coutpassageendl; cout共替换m次endl; else cout未查到此单词e