《算法笔记》2.6小节——C/C++快速入门->函数
26339 Problem A 习题7-5 字符串逆序存放
#include <stdio.h>
#include <string.h>
void trans_print(char a[]);
int main() {
char a[10];
scanf("%s", a);
trans_print(a);
return 0;
}
void trans_print(char a[]) {
for (int i = 0; i < strlen(a) / 2; i++) {
char temp = a[i];
a[i] = a[strlen(a) - i - 1];
a[strlen(a) - i - 1] = temp;
}
for (int i = 0; i < strlen(a); i++) {
printf("%c", a[i]);
}
/*
for (int i = strlen(a)-1; i >=0; i--) { //若int i = strlen(a)-1,则输出有空格;
printf("%c", a[i]);
}
*/
}
26340 Problem B 习题7-7 复制字符串中的元音字母
#include <stdio.h>
#include <string.h>
void vowels(char s1[], char s2[]);
int main() {
char a[20],b[20];
scanf("%s", a);
vowels(a, b);
return 0;
}
void vowels(char s1[], char s2[]){
for (int i = 0; i < strlen(s1); i++) {
int count = 0;
if (s1[i] == 'A' || s1[i] == 'E' || s1[i] =='I' || s1[i] == 'O' || s1[i] == 'U' || s1[i] == 'a' || s1[i] == 'e' || s1[i] == 'i' || s1[i] == 'o' || s1[i] == 'u') {
s2[count] = s1[i];
printf("%c",s2[count]);
count++;
}
}
}