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1048. 数字加密(20)
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1048. 数字加密(20)
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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
void zqd(int len,char kirby[len]);
int main(){
char A[101] = {0};
char B[101] = {0};
scanf("%s %s",A,B);
int A_len = strlen(A);
int B_len = strlen(B);
int max;
if (A_len > B_len){
max = A_len;
}else{
max = B_len;
}
zqd(B_len,B);
int o = max - 1;
while (B[o] == 0){
B[o] = '0';
o--;
}
zqd(A_len,A);
// printf("%s ",B);
for (int i = 0;i < A_len;i++){
if (i % 2 == 0){
B[i] = (A[i] + B[i] - 2 * '0') % 13;
if (B[i] == 10){
B[i] = 'J';
}
if (B[i] == 11){
B[i] = 'Q';
}
if (B[i] == 12){
B[i] = 'K';
}
if (B[i] < 10&&B[i] >= 0){
B[i] += '0';
}
}else{
B[i] -= A[i];
if (B[i] < 0){
B[i] += 10;
}
B[i] += '0';
}
}
zqd(max,B);
printf("%s",B);
return 0;
}
void zqd(int len,char kirby[len]){
char gr;
for (int i = 0;i < len / 2;i++){
gr = kirby[i];
kirby[i] = kirby[len - 1 - i];
kirby[len - 1 - i] = gr;
}
// printf("%s",kirby);
}