diff --git a/C/README.md b/C/README.md
index c01ca966..d837d3c1 100644
--- a/C/README.md
+++ b/C/README.md
@@ -34,3 +34,7 @@
 | Program-30 | Program to print the pattern |
 | Program-31 | Program to take the details of student and print the details of students using array and to add details of new students into the existing array |
 | Program-32 | Program to take the details of student and print the details |
+| Program-33 | Program on Arithematic operation using pointers  |
+| Program-34 | Program to determine whether the matrix is a triangular matrix. First, you will be given N, which is the size of the matrix. Then you will be given N rows of integers, where each row consists of N integers separated by spaces. If the input matrix is triangular, then print yes. Otherwise, print no. |
+| Program-35 | Program where you are given a sequence of non-negative integers terminated by -1. You have to output 1 if there are atleast 2 distinct elements in the sequence and 0 if the sequence consists of only 1 integer. Note that -1 is not part of the sequence. The sequence is not necessarily sorted. |
+
diff --git a/C/program-34/program.c b/C/program-34/program.c
index 8d193871..4e0af2f0 100644
--- a/C/program-34/program.c
+++ b/C/program-34/program.c
@@ -1,5 +1,4 @@
-/*In this assignment, you will be given an NxN matrix. You have to
-determine whether the matrix is a triangular matrix.
+/* To determine whether the matrix is a triangular matrix.
 First, you will be given N, which is the size of the matrix.
 
 Then you will be given N rows of integers, where each row consists of