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"No. 04: one-dimensional array"

1. (*) Debug First, copy the following procedures after successful commissioning: #include <stdio.h>
#define SIZE 10
int main (int argc, char *argv[])

{
int A[size] = {0},i= 0;

for (i = 0; i < SIZE; i++) {a[i] = i+10;

printf ("a[%d] =%d\n", I, A[i]);}

return 0;}

2. (*) reverse the output of array A in the first question.

3. (*) sum the array in the first question and print the result of the calculation. 4. (* *) Calculate the first question array to reduce, print the calculation results.

5. (* *) randomly generated 20 10~50 positive integers stored in the array, and the array of the maximum number of elements, the minimum value, the mean and the sum of the elements.

6. Write a program, enter two arrays containing 5 elements, sort the two arrays in ascending order, and then merge the two arrays into an ascending array.

7. (* * *) Given a certain month of the year, the output is the day of the year.
8. (* *) write integer value array sequencer (bubble sort, select sort, quick sort-ascending)

int a[] = {3,-9,32,77,63,-24,14,0,21,45};9, (* * *) find the maximum and minimum values in the following integer array and where I is located.

int a[] = {5,-9,32,77,64,-24,14,0,21,45};

10, (*) Merge str1, str2, str3 into the result array. Char result[50] = {0};
Char str1[] = "Lanou";
Char str2[] = "23_class";

Char str3[] = "is Niu best!"; Result: "Lanou 23_class is Niu best!"

11, (* *) to find the following program error:

int main (int argc, char *argv[]) {

Char string[10], str1[10]; int i;
for (i = 0; i <; i++)
{

Str1[i] = ' a ';}

strcpy (string, str1);}

12, (* *) The following program will be executed after the error or effect: int main (int argc, char *argv[])
{

unsigned char str[10], i;for (i = 0; i < i++) str[i] = i;

}

//

Main.m

4th Lecture: one-dimensional arrays

//

Created by Lanouhn on 15/1/16.

Copyright (c) 2015 Lanouhn. All rights reserved.

//

#import <Foundation/Foundation.h>

#define SIZE 10

int main (int argc, const char * argv[]) {

1.

int A[size] = {0}, i = 0;

for (i = 0; i < SIZE; i++) {

A[i] = i + 10;

printf ("a[%d] =%d\n", I, a[i]);

//    }

2.

int A[size] = {0};

for (int i = SIZE-1; I >= 0; i--) {

A[i] = i + 10;

printf ("a[%d] =%d\n", I, a[i]);

//    }

printf ("\ n");

3.

int A[size] = {0}, i = 0, sum = 0;

for (i = 0; i < SIZE; i++) {

A[i] = i + 10;

sum = sum + a[i];

printf ("a[%d] =%d\n", I, a[i]);

//    }

printf ("sum =%d\n", sum);

4.

int A[size] = {0}, i = 0, sub = 0;

for (i = 0; i < SIZE; i++) {

A[i] = i + 10;

Sub = Sub-a[i];

printf ("a[%d] =%d\n", I, a[i]);

//    }

Sub = sub + a[0];

printf ("Sub =%d\n", sub);

5.

int a[20] = {0}, sum = 0, max = 0, min = 0;

float avg = 0.0;

for (int i = 0; i <; i++) {

A[i] = arc4random ()% 41 + 10;

sum = sum + a[i];

printf ("a[%d] =%d", I, a[i]);

//        }

AVG = SUM/20;

printf ("\ n");

for (int i = 0; i < 20-1; i++) {

for (int j = 0; J < 20-1-I; j + +) {

if (A[j] > a[j + 1]) {

int x = A[j];

A[J] = a[j + 1];

A[j + 1] = x;

//            }

//        }

//    }

printf ("max =%d\nmin =%d\navg =%.2f\nsum =%d\n", a[20-1], a[0], AVG, sum);

6.

int a[5] = {0}, B[5] = {0};

printf ("Please enter five numbers for array A:"),

scanf ("%d%d%d%d", &a[0], &a[1], &a[2], &a[3], &a[4]);

printf ("Please enter five numbers for array B:");

scanf ("%d%d%d%d", &b[0], &b[1], &b[2], &b[3], &b[4]);

for (int i = 0; i < 5-1; i++) {

for (int j = 0; J < 5-1-I; j + +) {

if (A[j] > a[j + 1]) {

int x = A[j];

A[J] = a[j + 1];

A[j +1] = x;

//                }

if (B[j] > b[j + 1]) {

int y = b[j];

B[J] = b[j + 1];

B[j + 1] = y;

//            }

//        }

//    }

for (int i = 0; i < 5; i++) {

printf ("a[%d] =%d b[%d] =%d\n", I, a[i], I, b[i]);

//    }

int c[10] = {0};

for (int k = 0,i = 0,j = 0; k <; k++) {

if (i = = 5) {C[k] = B[j]; j + +;}

else if (j = = 5) {C[k] = a[i]; i++;}

else if (A[i] > B[j]) {c[k] = B[j]; j + +;}

else {C[k] = a[i]; i++;}

//    }

//

for (int o = 0; o < o++) {

printf ("c[%d] =%d\n", O, C[o]);

//    }

7.

int year = 0, mouth = 0,day = 0, days = 0, a = 0;

printf ("Please enter Date:");

scanf ("%d%d%d", &year, &mouth, &day);

If (year% 400 = = 0 | | (year% 4 = = 0 && Year% 100! = 0)) {

A = 1;

} else {

A = 0;

//    }

if (a = = 1) {

int a[12] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

for (int i = 0;i < mouth-1; i++) {

Days = days + a[i] + 1;

//            }

Days = days + day;

} else if (a = = 0) {

if (Mouth > 2) {

int a[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

for (int i = 0;i < mouth-1; i++) {

Days = days + a[i] + 1;

//        }

//        }

//    }

printf ("The year is%d of the year \ n", days);

//

//

//

8.

int a[] ={3,-9, 32, 77, 63,-24, 14, 0, 21, 45};

for (int i = 0; i < 10-1; i++) {

for (int j = 0; J < 10-1-I; j + +) {

if (A[j] > a[j + 1]) {

int temp = A[j];

A[J] = a[j + 1];

A[j + 1] = temp;

//            }

//        }

//    }

for (int i = 0; i < i++) {

printf ("a[%d] =%d", I, a[i]);

//    }

printf ("\ n");

9.

int a[] ={3,-9, 32, 77, 63,-24, 14, 0, 21, 45};

int b[10] = {0};

for (int i = 0; i < i++) {

B[i] = A[i];

printf ("b[%d] =%d", I, b[i]);

//    }

for (int i = 0; i < 10-1; i++) {

for (int j = 0; J < 10-1-I; j + +) {

if (A[j] > a[j + 1]) {

int temp = A[j];

A[J] = a[j + 1];

A[j + 1] = temp;

//            }

//        }

//    }

//

printf ("\ n");

for (int i = 0; i < i++) {

if (b[i] = = A[0]) {

printf ("Minimum value is a[%d", the number of%d in the array is \ n ", I, i + 1);

//        }

if (b[i] = = A[9]) {

printf ("Maximum value is a[%d", in the array is the number of%d \ n ", I, i + 1);

//        }

//    }

10.

Char result[50] = {0};

Char str1[] = "Lanou";

Char str2[] = "18_class";

Char str3[] = "are NIU best";

strcat (result, str1);

strcat (result, str2);

strcat (result, STR3);

printf ("result[50] =%s\n", result);

11.

Char string[10], str1[10];

int i;

for (i = 0; i <; i++)

//    {

Str1[i] = ' a '; }

strcpy (string, str1);

printf ("string[10] =%s\n", string);

printf ("str1[10] =%s\n", str1);

//

12.

unsigned char str[10];

int i;

for (i = 0; i < i++) {

Str[i] = i;

//    }

printf ("str[10] =%s", str);

//

//

return 0;

}

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