字符串替换
Time Limit: 1000MS | Memory Limit: 65536K | |
Total Submissions: 7290 | Accepted: 3451 |
Description
编写一个C程序实现将字符串中的所有"you"替换成"we"
Input
输入包含多行数据
每行数据是一个字符串,长度不超过1000
数据以EOF结束
每行数据是一个字符串,长度不超过1000
数据以EOF结束
Output
对于输入的每一行,输出替换后的字符串
Sample Input
you are what you do
Sample Output
we are what we do
第一:
#include<stdio.h>
char str[1002];
int main()
{ int i; while(gets(str)!=NULL) { i=0;// while(str[i]!='\0')for(i=0;str[i]!='\0';i++) if(str[i]=='y'&&str[i+1]=='o'&&str[i+2]=='u') { printf("we"); i+=2; } else{ printf("%c",str[i]); //i++; } printf("\0");printf("\n");} return 0;
}
第二:
#include<stdio.h>
#include<string.h>
char str[1002];
int main()
{ int i; while(gets(str)!=NULL) { i=0;while(str[i]!='\0') if(str[i]=='y'&&str[i+1]=='o'&&str[i+2]=='u') //短路,可以写道str[i+2] { printf("we"); i+=3; //printf("%d\n",i);} else{ printf("%c",str[i]); i++; }printf("\0"); //必须是双引号 printf("\n");} return 0;
}