hi

Author: kenil0811

arraySearch.c

@@ -25,7 +25,7 @@ int main() {
 
 
    // HERE IS THE BUG, WE MISSED THE FIRST ELEMENT OF THE ARRAY. CHANGE i=1 to i=0
-   i = 1;
+   i = 0;
    while (i < num && ele != a[i]) {
       i++;
    }

average.c

@@ -24,7 +24,7 @@ int main()
     }
 
 	// HERE IS THE BUG, average is declared as int, that will give wrong output. CHANGE int average TO float average.
-	int average;
+	float average;
     average = sum / n;
     printf("Average = %.2f", average);
 

binarySearch.c

@@ -25,7 +25,7 @@ int main(){
     l=0,u=n-1;
 
 	// HERE IS THE BUG, THE CONDITION SHOULD BE (l<=u).
-    while(l<u){
+    while(l<=u){
          mid=(l+u)/2;
          if(m==a[mid]){
              c=1;

bubbleSort.c

@@ -29,7 +29,7 @@ void main() {
 void bubble_sort(int iarr[], int num) {
    int i, j, k, temp;
    for (i = 1; i < num; i++) {
-      for (j = 0; j < num; j++) {
+      for (j = 0; j < num-1; j++) {
          if (iarr[j] > iarr[j + 1]) {
             temp = iarr[j];
             iarr[j] = iarr[j + 1];

evenorodd.c

@@ -16,7 +16,7 @@ int main(){
     scanf("%d",&number);
 
 	// HERE IS THE BUG, number % 2 == 0 means even
-    if(number % 2 != 0)
+    if(number % 2 == 0)
          printf("%d is even number.",number);
     else
          printf("%d is odd number.",number);

factorial.c

@@ -21,7 +21,7 @@ int main()
     else
     {
 		// HERE IS THE BUG, CHANGE i<n to i<=n
-        for(i=1; i<n; ++i)
+        for(i=1; i<=n; ++i)
         {
             factorial *= i;
         }

gcd.c

@@ -14,7 +14,7 @@ int main()
     printf("Enter two integers: ");
 
 	// HERE IS THE BUG, ADD '&' in front of n1
-    scanf("%d %d", n1, &n2);
+    scanf("%d %d", &n1, &n2);
 
     for(i=1; i <= n1 && i <= n2; ++i)
     {

largest.c

@@ -23,7 +23,7 @@ int main()
        printf("Enter Number %d: ", i+1);
 
 	   // HERE IS THE BUG, PUT '&' IN FRONT OF arr[i]
-       scanf("%f", arr[i]);
+       scanf("%f", &arr[i]);
     }
 
     // Loop to store largest number to arr[0]

leap.c

@@ -20,7 +20,7 @@ int main()
         if( year%100 == 0)
         {
 			// HERE IS THE BUG, WHEN YEAR%400 == 0, THEN IT IS LEAP YEAR!!
-            if ( year%400 != 0)
+            if ( year%400 == 0)
                 printf("%d is a leap year.", year);
             else
                 printf("%d is not a leap year.", year);

lenString.c

@@ -17,6 +17,6 @@ int main()
     for(i = 0; s[i] != '\0'; ++i);
 
 	// HERE IS THE BUG, LENGTH OF THE STRING WILL BE EQUAL TO i, not (i-1)
-    printf("Length of string: %d", i-1);
+    printf("Length of string: %d", i);
     return 0;
 }

lowertoupper.c

@@ -15,7 +15,7 @@ int main(){
   printf("The string is = %s",str);
   for(i=0;i<=strlen(str);i++){
 	// HERE IS THE BUG, THE RANGE OF SMALL CASE LETTERS IS 97 TO 122.
-	if(str[i]>=98&&str[i]<=121)
+	if(str[i]>=97&&str[i]<=121)
 		str[i]=str[i]-32;
   }
   printf("\nThe string in lowercase is = %s",str);

palindrome.c

@@ -23,7 +23,7 @@ int main()
 
 		// HERE IS THE BUG, THE BELOW LINE SHOULD BE UNCOMMENTED FOR THIS PROGRAM TO WORK PROPERLY
 
-        // n /= 10;
+         n /= 10;
     }
 
     if (originalInteger == reversedInteger)

prime.c

@@ -24,7 +24,7 @@ int main()
     }
 
 	// HERE IS THE BUG, NUMBER WILL BE PRIME WHEN THE VALUE OF FLAG IS EQUAL TO 0. CHANGE != to ==
-    if (flag!=0)
+    if (flag==0)
         printf("%d is a prime number.",n);
     else
         printf("%d is not a prime number.",n);

reverse.c

@@ -20,7 +20,7 @@ int main()
         reversedNumber = reversedNumber*10 + remainder;
 
 		// HERE IS THE BUG, n SHOULD BE DIVIDED BY 10 ON EACH ITERATION, NOT BY 100
-        n /= 100;
+        n /= 10;
     }
 
     printf("Reversed Number = %d", reversedNumber);

sumofdigits.c

@@ -21,7 +21,7 @@ void main()
         sum  = sum + digit;
 
 		// HERE IS THE BUG, n SHOULD BE DIVIDED BY 10 ON EACH ITERATION, NOT BY 100
-        num /= 100;
+        num /= 10;
     }
     printf("Given number = %ld\n", temp);
     printf("Sum of the digits %ld = %ld\n", temp, sum);

sumofseries.c

@@ -20,7 +20,7 @@ int main(){
     printf("Sum of the series: ");
 
 	// HERE IS THE BUG, LOOP SHOULD GO UPTO AND INCLUDING n, change < to <=
-    for(i =1;i <n n;i++){
+    for(i =1;i <=n n;i++){
          if (i!=n)
              printf("%d + ",i);
          else