diff --git a/proglabs/lab5/.1.c.swo b/proglabs/lab5/.1.c.swo
new file mode 100644
index 0000000..9a5630f
Binary files /dev/null and b/proglabs/lab5/.1.c.swo differ
diff --git a/proglabs/lab5/.1.c.swp b/proglabs/lab5/.1.c.swp
new file mode 100644
index 0000000..a72b345
Binary files /dev/null and b/proglabs/lab5/.1.c.swp differ
diff --git a/proglabs/lab5/1 b/proglabs/lab5/1
new file mode 100755
index 0000000..e5c9919
Binary files /dev/null and b/proglabs/lab5/1 differ
diff --git a/proglabs/lab5/1.c b/proglabs/lab5/1.c
index dbd9a52..9a8bed0 100644
--- a/proglabs/lab5/1.c
+++ b/proglabs/lab5/1.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main(void) {
+int main() {
     char l[26];
 
     for (int i = 0; i < 26; ++i) {
diff --git a/proglabs/lab5/1.c~ b/proglabs/lab5/1.c~
new file mode 100644
index 0000000..dbd9a52
--- /dev/null
+++ b/proglabs/lab5/1.c~
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main(void) {
+    char l[26];
+
+    for (int i = 0; i < 26; ++i) {
+        l[i] = 'a' + i;
+    }
+    printf("t-t: ");
+    for (int i = 0; i < 26; ++i) {
+        printf("%c ", l[i]);
+    }
+    printf("\n");
+    return 0;
+}
+
diff --git a/proglabs/lab5/10 b/proglabs/lab5/10
new file mode 100755
index 0000000..ec65441
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diff --git a/proglabs/lab5/11 b/proglabs/lab5/11
new file mode 100755
index 0000000..4bbe809
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diff --git a/proglabs/lab5/12 b/proglabs/lab5/12
new file mode 100755
index 0000000..8399aaa
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diff --git a/proglabs/lab5/13 b/proglabs/lab5/13
new file mode 100755
index 0000000..f400b17
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diff --git a/proglabs/lab5/14 b/proglabs/lab5/14
new file mode 100755
index 0000000..849cef6
Binary files /dev/null and b/proglabs/lab5/14 differ
diff --git a/proglabs/lab5/15 b/proglabs/lab5/15
new file mode 100755
index 0000000..9bb50a7
Binary files /dev/null and b/proglabs/lab5/15 differ
diff --git a/proglabs/lab5/15.c b/proglabs/lab5/15.c
index a3c688e..d467430 100644
--- a/proglabs/lab5/15.c
+++ b/proglabs/lab5/15.c
@@ -1,19 +1,23 @@
 #include <stdio.h>
+#include <wchar.h>
+#include <locale.h>
 
 int main() {
-    char c, s[256];
+    setlocale(LC_ALL, "");
+    wchar_t s[256];
+    wchar_t c;
     int n = 0, st = 0;
 
     while(st == 0){
-        scanf("%c", &c);
+	wscanf(L"%lc", &c);
         st = (c == '\n');
-        s[n] = c * (1 - st);
+        s[n] = c;
         n = n + (1 - st);
     }
 
     while(n > 0) {
         n -= 1;
-        printf("%c", s[n]);
+        wprintf(L"%lc", s[n]);
     }
     printf("\n");
     return 0;
diff --git a/proglabs/lab5/15.c~ b/proglabs/lab5/15.c~
new file mode 100644
index 0000000..b8487ee
--- /dev/null
+++ b/proglabs/lab5/15.c~
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <wchar.h>
+#include <locale.h>
+
+int main() {
+    setlocale(LC_ALL, "");
+    wchar_t s[256];
+    wchar_t c;
+    int n = 0, st = 0;
+
+    printf("write: ");
+    while(st == 0){
+	wscanf(L"%lc", &c);
+        st = (c == '\n');
+        s[n] = c;
+        n = n + (1 - st);
+    }
+
+    while(n > 0) {
+        n -= 1;
+        wprintf(L"%lc", s[n]);
+    }
+    printf("\n");
+    return 0;
+}
diff --git a/proglabs/lab5/16 b/proglabs/lab5/16
new file mode 100755
index 0000000..c5ebfe5
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diff --git a/proglabs/lab5/17 b/proglabs/lab5/17
new file mode 100755
index 0000000..2d26337
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diff --git a/proglabs/lab5/18 b/proglabs/lab5/18
new file mode 100755
index 0000000..8a66260
Binary files /dev/null and b/proglabs/lab5/18 differ
diff --git a/proglabs/lab5/2 b/proglabs/lab5/2
new file mode 100755
index 0000000..4043f30
Binary files /dev/null and b/proglabs/lab5/2 differ
diff --git a/proglabs/lab5/3-1 b/proglabs/lab5/3-1
new file mode 100755
index 0000000..025a5cb
Binary files /dev/null and b/proglabs/lab5/3-1 differ
diff --git a/proglabs/lab5/3-2 b/proglabs/lab5/3-2
new file mode 100755
index 0000000..31b5ede
Binary files /dev/null and b/proglabs/lab5/3-2 differ
diff --git a/proglabs/lab5/4 b/proglabs/lab5/4
new file mode 100755
index 0000000..b9b1fcd
Binary files /dev/null and b/proglabs/lab5/4 differ
diff --git a/proglabs/lab5/5 b/proglabs/lab5/5
new file mode 100755
index 0000000..a909782
Binary files /dev/null and b/proglabs/lab5/5 differ
diff --git a/proglabs/lab5/5.c b/proglabs/lab5/5.c
index a98b4d8..f9999b7 100644
--- a/proglabs/lab5/5.c
+++ b/proglabs/lab5/5.c
@@ -1,8 +1,12 @@
 #include <stdio.h>
 
 int main(){
-    int r = 5;
-    char l;
+    int r = 0;
+    char l, x;
+    scanf("%c", &x);
+
+    for(char z = 'A'; z <= x; ++z)
+	    r++;
     for(int i = 1; i <= r; ++i){
         l = 'A';
 
diff --git a/proglabs/lab5/5.c~ b/proglabs/lab5/5.c~
new file mode 100644
index 0000000..afbd18c
--- /dev/null
+++ b/proglabs/lab5/5.c~
@@ -0,0 +1,29 @@
+#include <stdio.h>
+
+int main(){
+    int r = 1;
+    char l, x;
+    scanf("%c", &x);
+
+    for(char z = 'A'; z <= x; ++z)
+	    r++;
+    for(int i = 1; i <= r; ++i){
+        l = 'A';
+
+        for(int j = 0; j < r - i; ++j){
+            printf(" ");  
+        }
+
+        for(int j = 0; j < i; ++j){
+            printf("%c", l);
+            l++;  
+        }
+        l -= 2;
+        for(int j = 0; j < i - 1; ++j){
+            printf("%c", l);
+            l--; 
+        }
+        printf("\n");
+    }
+    return 0;
+}   
diff --git a/proglabs/lab5/6 b/proglabs/lab5/6
new file mode 100755
index 0000000..612fb11
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diff --git a/proglabs/lab5/7 b/proglabs/lab5/7
new file mode 100755
index 0000000..7745196
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diff --git a/proglabs/lab5/8 b/proglabs/lab5/8
new file mode 100755
index 0000000..8e5eb20
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diff --git a/proglabs/lab5/9 b/proglabs/lab5/9
new file mode 100755
index 0000000..4729d47
Binary files /dev/null and b/proglabs/lab5/9 differ
diff --git a/proglabs/lab5/<F5> b/proglabs/lab5/<F5>
deleted file mode 100644
index c5d6304..0000000
--- a/proglabs/lab5/<F5>
+++ /dev/null
@@ -1,13 +0,0 @@
-#include <stdio.h>
-
-int main() {
-    int n[8];
-    for (int i = 0; i < 8; i++){
-        printf("num %d: ",i);
-        scanf("%d", &n[i]);
-    }
-    for (int i = 8; i >= 0; --i)
-        printf("%d ", n[i]);
-    printf("\n");
-    return 0;    
-}
diff --git a/proglabs/lab5/a.out b/proglabs/lab5/a.out
new file mode 100755
index 0000000..920475a
Binary files /dev/null and b/proglabs/lab5/a.out differ
diff --git a/proglabs/lab5/tmp.out b/proglabs/lab5/tmp.out
index cf3ada2..e5c9919 100755
Binary files a/proglabs/lab5/tmp.out and b/proglabs/lab5/tmp.out differ