Numeric vector manipulation program

LPEE/vector_function.c

@@ -0,0 +1,202 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <locale.h>
+
+#define MAX_ROWS 1024
+
+int vectorSize() {
+    int maxSize;
+    scanf("%d", &maxSize);
+
+    return maxSize;
+}
+
+void vectorElements(int vector[], int maxSize) {
+    int rows;
+    for(rows = 0; rows < maxSize; rows++) {
+        printf("[%d]: ", rows + 1);
+        scanf("%d", &vector[rows]);
+    }
+}
+
+void showVector(int vector[], int maxSize) {
+    int rows;
+    for(rows = 0; rows < maxSize; rows++)
+        printf("%d ", vector[rows]);
+    printf("\n");
+}
+
+void actionsOptions() {
+    printf("1 - Mostrar o vetor.\n");
+    printf("2 - Mostrar o maior valor do vetor.\n");
+    printf("3 - Mostrar o menor valor do vetor.\n");
+    printf("4 - Mostrar a média entre os elementos do vetor.\n");
+    printf("5 - Mostrar o desvio padrão do vetor.\n");
+    printf("6 - Mostrar os números pares do vetor.\n");
+    printf("7 - Mostrar os números ímpares do vetor.\n");
+
+    printf("8 - Sair.\n");
+
+    printf("\n Selecione uma das opções acima: ");
+}
+
+int findHigher(int vector[], int maxSize) {
+    int rows, higher;
+
+    higher = vector[0];
+
+    for(rows = 0; rows < maxSize; rows++) {
+        if(vector[rows] > higher)
+            higher = vector[rows];
+    }
+
+    return higher;
+}
+
+int findLower(int vector[], int maxSize) {
+    int rows, lower;
+
+    lower = vector[0];
+
+    for(rows = 0; rows < maxSize; rows++) {
+        if(vector[rows] < lower)
+            lower = vector[rows];
+    }
+
+    return lower;
+}
+
+float findAvarage(int vector[], int maxSize) {
+    int rows, sum = 0;
+    float avarege;
+
+    for(rows = 0; rows < maxSize; rows++)
+        sum += vector[rows];
+    avarege = (float) sum / maxSize;
+
+    return avarege;
+}
+
+float calcStandardDeviation(int vector[], int maxSize) {
+    int rows, sum = 0;
+    float mean, standardDeviation = 0.0;
+
+    for(rows = 0; rows < maxSize; rows++)
+        sum += vector[rows];
+
+    mean = (float) sum / maxSize;
+
+    for(rows = 0; rows < maxSize; rows++)
+        standardDeviation += pow(vector[rows] - mean, 2);
+
+    return sqrt(standardDeviation / maxSize);
+}
+
+void findEven(int vector[], int maxSize) {
+    int i, rows, evenCount = 0;
+
+    for(rows = 0; rows < maxSize; rows++) {
+        if(vector[rows] % 2 == 0)
+            evenCount++;
+    }
+
+    int even[evenCount];
+
+    for(rows = 0, i = 0; rows < maxSize; rows++) {
+        if(vector[rows] % 2 == 0) {
+            even[i] = vector[rows];
+            i++;
+        }
+    }
+
+    //I don't like this part, but I don't know how to do it better :P
+    printf("Os números pares do vetor são: ");
+    for(rows = 0; rows < evenCount; rows++)
+        printf("%d ", even[rows]);
+    printf("\n");
+}
+
+void findOdd(int vector[], int maxSize) {
+    int i, rows, oddCount = 0;
+
+    for(rows = 0; rows < maxSize; rows++) {
+        if(vector[rows] % 2 != 0)
+            oddCount++;
+    }
+
+    int odd[oddCount];
+
+    for(rows = 0, i = 0; rows < maxSize; rows++) {
+        if(vector[rows] % 2 != 0) {
+            odd[i] = vector[rows];
+            i++;
+        }
+    }
+
+    //I don't like this part, but I don't know how to do it better :P
+    printf("Os números ímpares do vetor são: ");
+    for(rows = 0; rows < oddCount; rows++)
+        printf("%d ", odd[rows]);
+    printf("\n");
+}
+
+int main() {
+    int vector[MAX_ROWS];
+    int maxSize, option;
+    int higher, lower, even, odd;
+    float avarage, standardDeviation;
+
+    setlocale(LC_ALL, "Portuguese");
+
+    //Defines the maximum size of the vector
+    printf("Defina o tamanho do vetor: ");
+    maxSize = vectorSize();
+
+    //Defines the elements of the vector
+    printf("Defina os elementos do vetor.\n\n");
+    vectorElements(vector, maxSize);
+
+    //Shows the options of the vector manipulation
+    printf("Escolha como deseja manipular o vetor: \n");
+    actionsOptions();
+
+    scanf("%d", &option);
+
+    switch(option) {
+        case 1:
+            showVector(vector, maxSize);
+            break;
+        case 2:
+            higher = findHigher(vector, maxSize);
+            printf("O maior valor do vetor é: %d \n", higher);
+            break;
+        case 3:
+            lower = findLower(vector, maxSize);
+            printf("O menor elemento do vetor é: %d \n", lower);
+            break;
+        case 4:
+            avarage = findAvarage(vector, maxSize);
+            printf("A média entre os elementos do vetor é: %.1f \n", avarage);
+            break;
+        case 5:
+            standardDeviation = calcStandardDeviation(vector, maxSize);
+            printf("O desvio padrão do vetor é: %.1f \n", standardDeviation);
+            break;
+        case 6:
+            findEven(vector, maxSize);
+            break;
+        case 7:
+            findOdd(vector, maxSize);
+            break;
+        case 8:
+            printf("Saindo...\n");
+            break;
+        default:
+            printf("Opção inválida!\n");
+            break;
+    }
+    printf("\n");
+
+    return 0;
+}