diff --git a/bestfit.cpp b/bestfit.cpp
new file mode 100644
index 0000000..52251b9
--- /dev/null
+++ b/bestfit.cpp
@@ -0,0 +1,56 @@
+#include<stdio.h>
+
+int main()
+{
+int np,nb,min=1000,s;
+printf("Enter number of processes:");
+scanf("%d",&np);
+int ap[np][2];
+printf("Enter size of each process:\n");
+for( int i=1;i<=np;i++)
+{
+printf("P[%d]:",i);
+scanf("%d",&ap[i][0]);
+ap[i][1]=0;
+}
+printf("Enter number of blocks:");
+scanf("%d",&nb);
+int ab[nb][3];
+printf("Enter size of each block:\n");
+for( int i=1;i<=nb;i++)
+{
+printf("B[%d]:",i);
+scanf("%d",&ab[i][0]);
+ab[i][1]=0;
+ab[i][2]=0;
+}
+for (int i=1;i<=np;i++)
+{
+
+for(int j=1;j<=nb;j++)
+{
+  if(ap[i][0]<ab[j][0] && (ab[j][0]-ap[i][0])<min && ab[j][1]==0)
+  {
+    min=ab[j][0]-ap[i][0];
+    s=j;
+  }
+}
+  ab[s][1]=i;
+  ab[s][2]=ap[i][0];
+  ap[i][1]=1;
+  min=1000;
+}
+printf("Block\tSize\tProcess\tSize\tStatus\n");
+for(int i=1;i<=nb;i++)
+{
+printf("B[%d]\t%d\t%d\t%d\t",i,ab[i][0],ab[i][1],ab[i][2]);
+if(ab[i][1]==0)
+{
+printf("Not Allocated\n");
+}
+else
+{
+printf("Allocated\n");
+}
+}
+}
diff --git a/firstfit.cpp b/firstfit.cpp
new file mode 100644
index 0000000..d4470ee
--- /dev/null
+++ b/firstfit.cpp
@@ -0,0 +1,52 @@
+#include<stdio.h>
+
+int main()
+{
+int np,nb;
+printf("Enter number of processes:");
+scanf("%d",&np);
+int ap[np][2];
+printf("Enter size of each process:\n");
+for( int i=1;i<=np;i++)
+{
+printf("P[%d]:",i);
+scanf("%d",&ap[i][0]);
+ap[i][1]=0;
+}
+printf("Enter number of blocks:");
+scanf("%d",&nb);
+int ab[nb][3];
+printf("Enter size of each block:\n");
+for( int i=1;i<=nb;i++)
+{
+printf("B[%d]:",i);
+scanf("%d",&ab[i][0]);
+ab[i][1]=0;
+ab[i][2]=0;
+}
+for (int i=1;i<=np;i++)
+{
+for(int j=1;j<=nb;j++)
+{
+ if(ap[i][0]<=ab[j][0] && ap[i][1]!=1 && ab[j][1]==0 )
+ {
+  ab[j][1]=i;
+  ab[j][2]=ap[i][0];
+  ap[i][1]=1;
+ }
+}
+}
+printf("Block\tSize\tProcess\tSize\tStatus\n");
+for(int i=1;i<=nb;i++)
+{
+printf("B[%d]\t%d\t%d\t%d\t",i,ab[i][0],ab[i][1],ab[i][2]);
+if(ab[i][1]==0)
+{
+printf("Not Allocated\n");
+}
+else
+{
+printf("Allocated\n");
+}
+}
+}
diff --git a/worstfit.cpp b/worstfit.cpp
new file mode 100644
index 0000000..468234b
--- /dev/null
+++ b/worstfit.cpp
@@ -0,0 +1,59 @@
+#include<stdio.h>
+
+int main()
+{
+int np,nb,min=-1,s;
+printf("Enter number of processes:");
+scanf("%d",&np);
+int ap[np][2];
+printf("Enter size of each process:\n");
+for( int i=1;i<=np;i++)
+{
+printf("P[%d]:",i);
+scanf("%d",&ap[i][0]);
+ap[i][1]=0;
+}
+printf("Enter number of blocks:");
+scanf("%d",&nb);
+int ab[nb][3];
+printf("Enter size of each block:\n");
+for( int i=1;i<=nb;i++)
+{
+printf("B[%d]:",i);
+scanf("%d",&ab[i][0]);
+ab[i][1]=0;
+ab[i][2]=0;
+}
+for (int i=1;i<=np;i++)
+{
+
+for(int j=1;j<=nb;j++)
+{
+  if(ap[i][0]<ab[j][0] && ab[j][1]==0)
+  {
+     if((ab[j][0]-ap[i][0])>min)
+	{
+		min=ab[j][0]-ap[i][0];
+		s=j;
+	}
+  }
+}
+  ab[s][1]=i;
+  ab[s][2]=ap[i][0];
+  ap[i][1]=1;
+  min=-1,s=0;
+}
+printf("Block\tSize\tProcess\tSize\tStatus\n");
+for(int i=1;i<=nb;i++)
+{
+printf("B[%d]\t%d\t%d\t%d\t",i,ab[i][0],ab[i][1],ab[i][2]);
+if(ab[i][1]==0)
+{
+printf("Not Allocated\n");
+}
+else
+{
+printf("Allocated\n");
+}
+}
+}