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What Does This C Code Do? - Click Quiz
You are given 12 different pieces of C code. Try to match each one with what it does.
Excuse me for using gets() - I really don't want to complicate things
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Last updated: December 1, 2023
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| First submitted | December 1, 2023 |
| Times taken | 18 |
| Average score | 58.3% | Report this quiz | Report |
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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);
char a[20];
gets(a);
for(int i = 0; a[i]; i++) { if(i % 2 == 0) putchar(a[i]); }
putchar('\n');
int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", a + b);
int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", (a < b) ? a : b);
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);
int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", a * b);
int a, b;
scanf("%d%d", &a, &b);
printf("%d\n", (a > b) ? a : b);
int a[5] = {1, 2, 3, 4, 5}, r = 0;
for(int i = 0; i < 5; i++) r += a[i];
printf("%d\n", r);
char a[20];
int r = 0;
gets(a);
while(a[r]) r++;
printf("%d\n", r);
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);
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");
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
Prints the first 10 numbers in the Fibonacci sequence
Prints the sum of all even numbers in an array of integers
Prints the sum of all odd numbers in an array of integers
Prints the sum of an array of integers
Reads a string from stdin and prints every other character
Reads a string from stdin and prints its length
Reads a string from stdin, discards all chars that aren't uppercase letters, then prints the new string
Reads two integers from stdin and prints the maximum of those integers
Reads two integers from stdin and prints the minimum of those integers
Reads two integers from stdin and prints their product
Reads two integers from stdin and prints their sum
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What Does This Code Do?
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