题解 | #奇偶校验#
奇偶校验
https://www.nowcoder.com/practice/729d11d043d8448e83befa1410b694fe
#include<stdio.h>
int main() {
char s[105] ,str[105];
while(scanf("%s", s) != EOF) {
for(int i = 0; s[i] != '\0'; i++) {
int num = s[i], count = 0;
for(int i = 7; i >= 0; i--) {
str[i] = num % 2 + '0';
num = num / 2;
if(str[i] == '1') count++;
}
// 奇校验
if(count % 2 == 1) str[0] = '0'; else str[0] = '1';
for(int i = 0; i < 8 ; i++) printf("%c", str[i]);
printf("\n");
}
}
return 0;
}
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