Add FZOI Codes

FZOI/「NOIP2012」Vigenère 密码.cpp

@@ -0,0 +1,20 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+int k = -1;
+string a, b;
+int main(){
+	cin >> b >> a;
+	int lena = a.length(), lenb = b.length();
+	for(int i = 0; i < lena; i ++ ){
+		 ++ k;
+		if(k == lenb) k -= lenb;
+		char c = tolower(a[i]), d = tolower(b[k]);
+		int x = (c - 'a') - (d - 'a');
+		if(x < 0) x += 26;
+		x ++ ;
+		if(a[i] >= 'a' && a[i] <= 'z') printf("%c", x + 'a' - 1);
+		else printf("%c", x + 'A' - 1);
+	}
+	return 0;
+}