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C++/строки/2.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+#include <cstring>
+#include <cctype>
+#include <cstdio>
+
+using namespace std;
+
+int main() {
+    char s[80];
+    cout <<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:\n>";
+    gets (s);
+    int i=0;
+    while (s[i]!='\0') {
+        if (s[i]>='a' && s[i]<='z') s[i]=toupper(s[i]);
+        else if (s[i]>='A' && s[i]<='Z') s[i]=tolower(s[i]);
+        i++;
+    }
+    cout <<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: "<<s<<endl;
+    system ("pause");
+    return 0;
+}