Finding Minimum And Maximum Value

/**

 * Finding maximum value over an array of integer.

 * 

 * @param count int

 *     size of elements of data

 * @param data array

 *     data in an array format

 *

 * @return data[index] int

 *     max value of the data

 */

int findMax( int count, int data[]){
    int maxIndex = 0;
    int i;
    for( i=0; i<count; i++){
        if(data[i] > data[maxIndex])
            maxIndex = i;
    }

    return data[maxIndex];
}

/**

 * Finding minimum value over an array of integer.

 * 

 * @param count int

 *     size of elements of data

 * @param data array

 *     data in an array format

 *

 * @return data[index] int

 *     min value of the data

 */

int findMin(int count, int data[]){
    int minIndex = 0;
    int i;
    for( i=0; i<count; i++){
        if(data[i]<data[minIndex])
            minIndex = i;
    }

    return data[minIndex];
}

Selection Algorithm In C

/**

 * This function is an implementation of the selection algorithm.

 * 

 * @author  : irfanudin ridho

 * @email   : irfan.ub@gmail.com

 * @date    : December 26, 2010

 * @version : 1.0

 */

/**

 * This function will do give an index of the minimal value.

 * @param data array of integer of the data

 * @param len int length of the data

 * @return minIndex int an index of the min value

 */

int getMinIndex(int data[], int len){
    int minIndex = 0;
    int i;
    for(i=1;i<len;i++){
        if(data[i]<data[minIndex]){
           minIndex = i;
        }
    }
    return minIndex;
}

/**

 * This function will do give an index of the mmaximal value.

 * @param data an array of integer of the data

 * @param len int length of the data

 * @return maxIndex int an index of the min value

 */

int getMaxIndex(int data[], int len){
    int maxIndex = 0;
    int i;
    for(i=1;i<len;i++){
        if(data[i]>data[maxIndex]){
            maxIndex = i;
        }
    }
    return maxIndex;
}

/**

 * This function will do give the max value

 *

 * @param data an array of integer

 * @param len int length of the data

 * @return minValue int min value of the data

 */
int getMinValue(int data[], int len){
    int minValue = data[0];
    int i;
    for(i=1;i<len;i++){
        if(data[i]<minValue){
            minValue = data[i];
        }
    }
    return minValue;
}

/**

 * This function will do give the max value of the data

 *

 * @param data an array of integer

 * @param len length of the data array

 * @return maxValue int max value of the data

 */
int getMaxValue(int data[], int len){
    int maxValue = data[0];
    int i;
    for(i=1;i<len;i++){
        if(data[i]>maxValue){
            maxValue = data[i];
        }
    }
    return maxValue;
}