delete pics to save space

history_source/信息学奥赛一本通/1.6.1.6.cpp

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+#include<cstdio>
+using namespace std;
+void xiao(char *x)
+{
+	if(*x>='A'&&*x<='Z') *x+=32;
+}
+char turn(char key,char w)
+{
+	xiao(&key);
+	int x=key-'a';
+	if(w>='A'&&w<='Z')
+	{
+		int m=w-'A';
+		m-=x;
+		m+=26;
+		m=m%26;
+		return char('A'+m);
+	}
+	if(w>='a'&&w<='z')
+	{
+		int m=w-'a';
+		m-=x;
+		m+=26;
+		m=m%26;
+		return char('a'+m);
+	}
+}
+int main()
+{
+	char k[110],m[1000],x;
+	int lenK=0,lenM=0;
+	while(x=getchar(),x!='\n') k[lenK++]=x;
+	while(x=getchar(),x!='\n') m[lenM++]=x;
+	char c[lenM];
+	for(int i=0;i<lenM;i++)
+		c[i]=turn(k[i%lenK],m[i]);
+	for(int i=0;i<lenM;i++)
+		printf("%c",c[i]);
+	printf("\n");
+	return 0;
+}
+