Create selection.cpp

selection.cpp

@@ -0,0 +1,80 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<math.h>
+#include<time.h>
+
+struct St {
+	int first;
+	int second;
+};
+
+typedef struct St st;
+
+int main() 
+{
+	int N, i, j, min;
+	printf("Enter the Number of elements:\n");
+
+	scanf("%d", &N);
+
+	st A[10000];
+	st temp, key;
+	srand(time(0));
+	for (i = 0; i < N; i++) {
+		//scanf("%d",&A[i]);
+		A[i].first = rand() % 10000;
+	}
+	for (i = 0; i < N; i++) {
+		//scanf("%d",&A[i]);
+		A[i].second = rand() % 10000;
+	}
+
+
+	for (i = 0; i < N; i++) {
+		printf("FIRST-%d | SECOND-%d\n", A[i].first, A[i].second);
+
+	}
+	//BASIC SELECTION SORT ACC TO FIRST:--
+
+	//for (i = 0; i < N - 1; i++) {
+	//	min = i;
+	//	for (j = i + 1; j < N; j++) {
+	//		if (A[min].first > A[j].first)
+	//			min = j;
+	//	}
+	//	temp = A[i];
+	//	A[i] = A[min];
+	//	A[min] = temp;
+	//}
+
+	//printf("\nBASIC SELECTION SORT ACC TO FIRST PART OF STRUCT\n");
+	//for (i = 0; i < N; i++) {
+	//	printf("FIRST-%d | SECOND-%d\n", A[i].first, A[i].second);
+
+	//}
+
+
+
+	//STABLE SELECTION SORT ACC TO FIRST:--
+
+	for (i = 0; i < N - 1; i++) {
+		min = i;
+		for (j = i + 1; j < N; j++) {
+			if (A[min].second > A[j].second)
+				min = j;
+		}
+		key = A[min];
+		while (min > i) {
+			A[min] = A[min - 1];
+			min--;
+		}
+		A[i] = key;
+	}
+
+	printf("\nStable Selection sort applied to Second Section of the structure\n\n");
+	for (i = 0; i < N; i++) {
+		printf("FIRST-%d | SECOND-%d\n", A[i].first, A[i].second);
+
+	}
+
+}