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What Does This C Code Do? - Click Quiz - Statistics
General Stats
- This quiz has been taken 18 times
- The average score is 7 of 12
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| int a[5] = {1, 2, 3, 4, 5}, r = 0;
for(int i = 0; i < 5; i++) { if(a[i] % 2 == 0) r += a[i]; }
printf("%d\n", r); | Prints the sum of all even numbers in an array of integers | 77%
|
| int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", a * b); | Reads two integers from stdin and prints their product | 77%
|
| int a[5] = {1, 2, 3, 4, 5}, r = 0; for(int i = 0; i < 5; i++) r += a[i]; printf("%d\n", r); | Prints the sum of an array of integers | 69%
|
| int a[5] = {1, 2, 3, 4, 5}, r = 0;
for(int i = 0; i < 5; i++) r += a[i];
r /= sizeof(a) / sizeof(a[0]); printf("%d\n", r); | Prints the average of an array of integers | 62%
|
| int a[5] = {1, 2, 3, 4, 5}, r = 0;
for(int i = 0; i < 5; i++) { if(a[i] % 2 == 1) r += a[i]; } printf("%d\n", r); | Prints the sum of all odd numbers in an array of integers | 62%
|
| char a[20];
gets(a); int j = 0; for(int i = 0; a[i]; i++) { if(a[i] >= 'A' && a[i] <= 'Z') a[j++] = a[i]; } a[j] = 0; puts(a); | Reads a string from stdin, discards all chars that aren't uppercase letters, then prints the new string | 62%
|
| int a, b; scanf("%d%d", &a, &b); printf("%d\n", a + b); | Reads two integers from stdin and prints their sum | 62%
|
| int a = 1, b = 1;
printf("%d %d ", a, b);
for(int i = 3; i <= 10; i++) { int t = a; a = b; b = t; a = a + b; printf("%d ", a); }
printf("\n"); | Prints the first 10 numbers in the Fibonacci sequence | 54%
|
| char a[20]; gets(a); for(int i = 0; a[i]; i++) { if(i % 2 == 0) putchar(a[i]); } putchar('\n'); | Reads a string from stdin and prints every other character | 54%
|
| char a[20]; int r = 0; gets(a); while(a[r]) r++; printf("%d\n", r); | Reads a string from stdin and prints its length | 54%
|
| int a, b; scanf("%d%d", &a, &b); printf("%d\n", (a > b) ? a : b); | Reads two integers from stdin and prints the maximum of those integers | 54%
|
| int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", (a < b) ? a : b); | Reads two integers from stdin and prints the minimum of those integers | 54%
|
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