>>43
問題1
#include <stdio.h>
int main(void)
{
int x, y, z, ans;
x = 1;
y = 2;
z = 3;
ans = x + y + z;
printf("%d", ans);
return 0;
}
問題2
#include <stdio.h>
int main(void)
{
int r = 5;
printf("L=%f S=%f", 2 * r * 3.14, r * r * 3.14);
return 0;
}
問題3
#include <stdio.h>
int main(void)
{
int a = 255, b = 16;
printf("a + b = %d\n", a + b);
printf("a - b = %d\n", a - b);
printf("a * b = %d\n", a * b);
printf("a / b = %d\n", a / b);
return 0;
}