解题思路:
注意事项:
参考代码:
#include "stdio.h"
#include "string.h"
#include "math.h"
int main()
{
char X[201];
while (1)
{
gets(X);
if (strcmp(X, "ENDOFINPUT") == 0) { break; }
if (strcmp(X, "START") == 0) { continue; }
if (strcmp(X, "END") == 0) { continue; }
for (int i = 0; X[i]!= '\0'; i++)
{
if (X[i] >= 'A' && X[i] <= 'Z')
{
X[i] = 'A' + (X[i]-'A'-5+26) % 26;
}
}
puts(X);
}
}
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