Changtong Qiu / ECE15Tutor

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Commit 87c302b629e075c206e1c8bf0b73322e05dcc218

Authored by Anton Qiu
1 parent fe2f2f3fa6
Exists in master

HW5

Showing 15 changed files with 357 additions and 51 deletions Side-by-side Diff

HW4/guess.c View file @ 87c302b
... ... @@ -8,7 +8,6 @@
8 8 int target = rand() % 20 + 1;
9 9 int guess, number_ties=0;
10 10 printf("Guess my number: ");
11   -target = 14;
12 11 do {
13 12 scanf("%d", &guess);
14 13 number_ties++;
HW4/guess.c~ View file @ 87c302b
  1 +#include <stdio.h>
  2 +#include <stdlib.h>
  3 +#include <time.h>
  4 +
  5 +int main(){
  6 +
  7 + srand(time(NULL));
  8 + int target = rand() % 20 + 1;
  9 + int guess, number_ties=0;
  10 + printf("Guess my number: ");
  11 +target = 14;
  12 + do {
  13 + scanf("%d", &guess);
  14 + number_ties++;
  15 +
  16 + if (guess < target-4)
  17 + printf("Your guess is too low, guess again: ");
  18 + else if (guess < target)
  19 + printf("Your guess is low, guess again: ");
  20 + else if (guess > target+4)
  21 + printf("Your guess is too high, guess again: ");
  22 + else if (guess > target)
  23 + printf("Your guess is high, guess again: ");
  24 + } while (guess != target);
  25 +
  26 + printf("You guessed correctly in %d tries, congratulations!\n",
  27 + number_ties);
  28 +
  29 + return 0;
  30 +}
HW4/tennis.c View file @ 87c302b
... ... @@ -5,57 +5,58 @@
5 5  
6 6 int main(){
7 7  
8   - int score1, score2;
9   - printf("Result: ");
10   - scanf("%d-%d", &score1, &score2);
  8 + int score1, score2;
  9 + printf("Result: ");
  10 + scanf("%d-%d", &score1, &score2);
11 11  
12   - if (score1 == score2){
13   - switch (score1) {
14   - case 0 :
15   - printf("Announcement: love all\n");
16   - break;
17   - case 1 :
18   - printf("Announcement: fifteen all\n");
19   - break;
20   - case 2 :
21   - printf("Announcement: thirty all\n");
22   - break;
23   - case 3 :
24   - printf("Announcement: deuce\n");
25   - break;
26   - }
27   - } else {
28   - switch (score1) {
29   - case 0 :
30   - printf("Announcement: love ");
31   - break;
32   - case 1 :
33   - printf("Announcement: fifteen ");
34   - break;
35   - case 2 :
36   - printf("Announcement: thirty ");
37   - break;
38   - case 3 :
39   - printf("Announcement: forty ");
40   - break;
41   - }
42   - switch (score2) {
43   - case 0 :
44   - printf("love\n");
45   - break;
46   - case 1 :
47   - printf("fifteen\n");
48   - break;
49   - case 2 :
50   - printf("thirty\n");
51   - break;
52   - case 3 :
53   - printf("forty\n");
54   - break;
55   - }
56   -
57   - }
58   - return 0;
  12 + if (score1 == score2){
  13 + switch (score1) {
  14 + case 0 :
  15 + printf("Announcement: love all\n");
  16 + break;
  17 + case 1 :
  18 + printf("Announcement: fifteen all\n");
  19 + break;
  20 + case 2 :
  21 + printf("Announcement: thirty all\n");
  22 + break;
  23 + case 3 :
  24 + printf("Announcement: deuce\n");
  25 + break;
  26 + }
  27 + }
  28 + else {
  29 + switch (score1) {
  30 + case 0 :
  31 + printf("Announcement: love ");
  32 + break;
  33 + case 1 :
  34 + printf("Announcement: fifteen ");
  35 + break;
  36 + case 2 :
  37 + printf("Announcement: thirty ");
  38 + break;
  39 + case 3 :
  40 + printf("Announcement: forty ");
  41 + break;
  42 + }
  43 + switch (score2) {
  44 + case 0 :
  45 + printf("love\n");
  46 + break;
  47 + case 1 :
  48 + printf("fifteen\n");
  49 + break;
  50 + case 2 :
  51 + printf("thirty\n");
  52 + break;
  53 + case 3 :
  54 + printf("forty\n");
  55 + break;
  56 + }
  57 +
  58 + }
  59 + return 0;
59 60  
60 61 }
HW4/tennis.c~ View file @ 87c302b
  1 +#include <stdio.h>
  2 +//This program gets the score of a tennis match and announce it as in
  3 +//the commentaries, e.g. 40-30 is forty thirty, and 40-40 is deuce, 15-0 is
  4 +// fifteen love.
  5 +
  6 +int main(){
  7 +
  8 + int score1, score2;
  9 + printf("Result: ");
  10 + scanf("%d-%d", &score1, &score2);
  11 +
  12 + if (score1 == score2){
  13 + switch (score1) {
  14 + case 0 :
  15 + printf("Announcement: love all\n");
  16 + break;
  17 + case 1 :
  18 + printf("Announcement: fifteen all\n");
  19 + break;
  20 + case 2 :
  21 + printf("Announcement: thirty all\n");
  22 + break;
  23 + case 3 :
  24 + printf("Announcement: deuce\n");
  25 + break;
  26 + }
  27 + } else {
  28 + switch (score1) {
  29 + case 0 :
  30 + printf("Announcement: love ");
  31 + break;
  32 + case 1 :
  33 + printf("Announcement: fifteen ");
  34 + break;
  35 + case 2 :
  36 + printf("Announcement: thirty ");
  37 + break;
  38 + case 3 :
  39 + printf("Announcement: forty ");
  40 + break;
  41 + }
  42 + switch (score2) {
  43 + case 0 :
  44 + printf("love\n");
  45 + break;
  46 + case 1 :
  47 + printf("fifteen\n");
  48 + break;
  49 + case 2 :
  50 + printf("thirty\n");
  51 + break;
  52 + case 3 :
  53 + printf("forty\n");
  54 + break;
  55 + }
  56 +
  57 + }
  58 + return 0;
  59 +
  60 +}
HW5/a.out View file @ 87c302b

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HW5/atm.c View file @ 87c302b
  1 +#include <stdio.h>
  2 +#include<stdlib.h>
  3 +#define PIN 1010
  4 +int amount = 1000, deposit, withdraw;
  5 +int choice, pin, k = 0;
  6 +
  7 +int main(){
  8 +
  9 + while (pin != PIN)
  10 + {
  11 + printf("Enter Pin: ");
  12 + scanf("%d", &pin);
  13 + getchar();
  14 + if (pin != PIN)
  15 + printf("Invalid Pin! ");
  16 + }
  17 + printf("***** Welcome to ECE15's ATM *****\n");
  18 + do
  19 + {
  20 + printf("***** Select Service *****\n");
  21 + printf("1. Check Balance\n");
  22 + printf("2. Withdraw Cash\n");
  23 + printf("3. Deposit Cash\n");
  24 + printf("4. Quit\n");
  25 + printf("***** ***** *****\n");
  26 + printf("Your Choice: ");
  27 + scanf("%d", &choice);
  28 + getchar();
  29 + switch (choice) {
  30 + case 1:
  31 + printf("Your Balance is: $%d\n", amount);
  32 + break;
  33 + case 2:
  34 + printf("Withdrawal Amount in $: ");
  35 + scanf("%d", &withdraw);
  36 + if (withdraw % 5 != 0) {
  37 + printf("Not a multiple of 5!\n");
  38 + }
  39 + else if (withdraw >(amount - 100))
  40 + {
  41 + printf("Insufficient Balance!\n");
  42 + }
  43 + else
  44 + {
  45 + amount = amount - withdraw;
  46 + printf("Please collect your cash!\n");
  47 + printf("Your new balance is: $%d\n", amount);
  48 + }
  49 + break;
  50 + case 3:
  51 + printf("Deposit Amount in $: ");
  52 + scanf("%d", &deposit);
  53 + amount = amount + deposit;
  54 + printf("Your new balance is: $%d\n", amount);
  55 + break;
  56 + case 4:
  57 + break;
  58 + default:
  59 + printf("Invalid choice!\n");
  60 + }
  61 + } while (choice != 4);
  62 + printf("Thanks for using the ECE15's ATM!\n");
  63 + return 0;
  64 +}
HW5/atm.sol View file @ 87c302b

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HW5/d.c View file @ 87c302b
  1 +#include <stdio.h>
  2 +
  3 +int main() {
  4 + int n = 0,
  5 + temp = 0,
  6 + sum = 0;
  7 + char c;
  8 +
  9 + printf("Integer: ");
  10 + if (scanf("%d.%d", &n, &temp) != 1 || n <= 0) {
  11 + printf("Invalid number!\n");
  12 + return 1;
  13 + }
  14 + else
  15 + temp = n;
  16 +
  17 +
  18 + do {
  19 + sum += temp % 10;
  20 + temp /= 10;
  21 + } while (temp);
  22 +
  23 + printf("Digit-sum of %d = %d\n", n, sum);
  24 + return 0;
  25 +}
HW5/d.c~ View file @ 87c302b
  1 +#include <stdio.h>
  2 +
  3 +int main() {
  4 + int n = 0,
  5 + temp = 0,
  6 + sum = 0;
  7 + char c;
  8 +
  9 + printf("Integer: ");
  10 + if (scanf("%d%c%d", &n, &c, &temp) <= 2 || n <= 0) {
  11 + printf("Invalid number!\n");
  12 + return 1;
  13 + }
  14 + else
  15 + temp = n;
  16 +
  17 +
  18 + do {
  19 + sum += temp % 10;
  20 + temp /= 10;
  21 + } while (temp);
  22 +
  23 + printf("Digit-sum of %d = %d\n", n, sum);
  24 + return 0;
  25 +}
HW5/digits.c View file @ 87c302b
  1 +#include <stdio.h>
  2 +int main()
  3 +{
  4 + double n;
  5 + int m, valid, t, remainder;
  6 + int sum = 0;
  7 +
  8 + printf("Integer: ");
  9 + valid = scanf("%lf", &n);
  10 + m = (int) n;
  11 + valid = valid + (n > 0)+(m == n);
  12 + if (valid != 3){
  13 + printf("Invalid number!\n");
  14 + return 0;
  15 + }
  16 + t = m;
  17 + while (t != 0)
  18 + {
  19 + remainder = t % 10;
  20 + sum = sum + remainder;
  21 + t = t / 10;
  22 + }
  23 +
  24 + printf("Digit-sum of %d = %d\n", m, sum);
  25 +
  26 + return 0;
  27 +}
HW5/digits.sol View file @ 87c302b

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HW5/p.c View file @ 87c302b
  1 +#include <stdio.h>
  2 +
  3 +int main() {
  4 + int rows = 0;
  5 +
  6 + printf("Number of rows: ");
  7 + scanf("%d", &rows);
  8 +
  9 + for (int i = 1; i <= rows; i++) {
  10 + for (int j = 1; j <= rows-i; j++)
  11 + putchar(' ');
  12 + for (int j = i; j <= 2*i - 1; j++)
  13 + printf("%d", j);
  14 + for (int j = 2*i - 2; j >= i; j--)
  15 + printf("%d", j);
  16 + putchar('\n');
  17 + }
  18 + return 0;
  19 +}
HW5/p.c~ View file @ 87c302b
  1 +#include <stdio.h>
  2 +
  3 +int main() {
  4 + int rows = 0;
  5 +
  6 + printf("Number of rows: ");
  7 + scanf("%d", rows);
  8 +
  9 + for (int i = 1; i <= &rows; i++) {
  10 + for (int j = 1; j <= rows-i; j++)
  11 + putchar(' ');
  12 + for (int j = i; j <= 2*i - 1; j++)
  13 + printf("%d", j);
  14 + for (int j = 2*i - 2; j >= i; j--)
  15 + printf("%d", j);
  16 + putchar('\n');
  17 + }
  18 + return 0;
  19 +}
HW5/pattern.c View file @ 87c302b
  1 +#include<stdio.h>
  2 +
  3 +int main()
  4 +{
  5 + int n, c, d, num = 1, space;
  6 + printf("Number of rows: ");
  7 + scanf("%d",&n);
  8 +
  9 + space = n - 1;
  10 +
  11 + for ( d = 1 ; d <= n ; d++ )
  12 + {
  13 + num = d;
  14 +
  15 + for ( c = 1 ; c <= space ; c++ )
  16 + printf(" ");
  17 +
  18 + space--;
  19 +
  20 + for ( c = 1 ; c <= d ; c++ )
  21 + {
  22 + printf("%d", num);
  23 + num++;
  24 + }
  25 + num--;
  26 + num--;
  27 + for ( c = 1 ; c < d ; c++)
  28 + {
  29 + printf("%d", num);
  30 + num--;
  31 + }
  32 + printf("\n");
  33 +
  34 + }
  35 +
  36 + return 0;
  37 +}
HW5/pattern.sol View file @ 87c302b

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