TECHFEST QUALIFYING ROUND

 #include int main(){

 int x;

 x=10,20,30;

 printf("%d",x);

 return 0;

 }

        #include int main()

{

        int a=2,b=7,c=10;

        c=a==b;

        printf("%d",c);

         return 0;

          }

int main() {

int arr[] = {1, 2, 4, 5, 6};

int n = 6;

int sum = n * (n + 1) / 2;

int actual_sum = 0;

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

actual_sum += arr[i];

}

int missing_number = sum - actual_sum;

printf("Missing number is %d\n", missing_number);

return 0;

}

int main() {

int arr[3][3] = {{1, 2, 3},{4, 5, 6},{7, 8, 9}};

int i, j;

for (i = 0; i < 3; i++) {

for (j = 0; j < 3; j++) {

printf("%d ", arr[i][j]);

}

printf("\n");

}

return 0;

int main() {

int n;

for(n = 7; n!=0; n--)

printf("n = %d", n--);

getchar();

return 0;

}

int main(){

int i=0;

while ( +(+i--) != 0)

i-=i++;

printf("%d",i);

return 0;

}

int main(){

if (printf("cIsgood"))

printf("I know c");

else

printf("I know c++");

return 0;

}

int main() {

int a[] = {1, 2, 3, 4, 5};

int *p = a;

p++;

printf("%d", *(p + 2));

return 0;

}

int main() {

int a[3][3] = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};

int (*p)[3] = a + 1;

printf("%d %d %d\n", (*p)[0], (*p)[1], (*p)[2]);

return 0;

}

int main(){

float a=3.15529;

printf("%2.1f\n", a);

return 0;

}