delete pics to save space

history_source/信息学奥赛一本通/1.6.1.11.cpp

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+#include<cstdio>
+using namespace std;
+bool isp[110];
+int cha(char *a,int len)
+{
+	int sum[26]={0};
+	for(int i=0;i<len;i++) sum[*(a+i)-'a']++;
+	int max=-1,min=200;
+	for(int i=1;i<26;i++)
+	{
+		if(max<sum[i]) max=sum[i];
+		if(min>sum[i]&&sum[i]>0) min=sum[i];
+	}
+	return max-min;
+}
+int main()
+{
+	for(int i=2;i<110;i++) isp[i]=1;
+	for(int i=2;i<110;i++)
+		for(int j=2;j*i<110;j++)
+			isp[j*i]=0;
+	char a[110],len=0,w;
+	while(w=getchar(),w!='\n') a[len++]=w;
+	if(isp[cha(a,len)])
+		printf("Lucky Word\n%d\n",cha(a,len));
+	else
+		printf("No Answer\n0\n");
+	return 0;
+}