From cb2c8ec38d68c54f6ce586e8b9656949f8d26bfd Mon Sep 17 00:00:00 2001
From: Kirito <1362050620@qq.com>
Date: Sat, 11 Jun 2016 19:31:11 +0800
Subject: [PATCH] Create 1757.c

---
 QUSTOJ/1757.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 QUSTOJ/1757.c

diff --git a/QUSTOJ/1757.c b/QUSTOJ/1757.c
new file mode 100644
index 0000000..4f46d26
--- /dev/null
+++ b/QUSTOJ/1757.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void replace(char* str,char* From,char* To)
+{
+    static char buffer[1024];
+    int L=strlen(From);
+    char* p;
+    while((p=strstr(str,From))!=NULL)
+    {
+        memset(buffer,0,1024);
+        strncpy(buffer,str,p-str);
+        strcat(buffer,To);
+        strcat(buffer,p+L);
+        strcpy(str,buffer);
+    }
+}
+
+char msg[1024];
+char a[1024];
+char b[1024];
+int main()
+{
+    gets(msg);
+    gets(a);
+    gets(b);
+    replace(msg,a,b);
+    printf("%s\n",msg);
+    return 0;
+}